[INFO] fetching crate typedopts 1.1.2...
[INFO] testing typedopts-1.1.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate typedopts 1.1.2 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate typedopts 1.1.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate typedopts 1.1.2
[INFO] finished tweaking crates.io crate typedopts 1.1.2
[INFO] tweaked toml for crates.io crate typedopts 1.1.2 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf54b38c4737f5a651047b89e3e67e7a40cdd4ad546f217082a786ebd8a0810e
[INFO] running `Command { std: "docker" "start" "-a" "cf54b38c4737f5a651047b89e3e67e7a40cdd4ad546f217082a786ebd8a0810e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf54b38c4737f5a651047b89e3e67e7a40cdd4ad546f217082a786ebd8a0810e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf54b38c4737f5a651047b89e3e67e7a40cdd4ad546f217082a786ebd8a0810e", kill_on_drop: false }`
[INFO] [stdout] cf54b38c4737f5a651047b89e3e67e7a40cdd4ad546f217082a786ebd8a0810e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bfb267978c7adc982aaa0a71405d1640bb3baa8afbe307619517f37d0dc48c3
[INFO] running `Command { std: "docker" "start" "-a" "1bfb267978c7adc982aaa0a71405d1640bb3baa8afbe307619517f37d0dc48c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling typedopts v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/lib.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |   fn read_enum_variant_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]    --> src/lib.rs:169:48
[INFO] [stdout]     |
[INFO] [stdout] 169 |   fn read_enum_struct_variant<T, F>(&mut self, names: &[&str], f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder, usize) -> DecodeRes...
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_name`
[INFO] [stdout]    --> src/lib.rs:175:54
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn read_enum_struct_variant_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -...
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_f_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_idx`
[INFO] [stdout]    --> src/lib.rs:175:68
[INFO] [stdout]     |
[INFO] [stdout] 175 | ..., F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:181:49
[INFO] [stdout]     |
[INFO] [stdout] 181 |   fn read_struct<T, F>(&mut self, s_name: &str, len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_idx`
[INFO] [stdout]    --> src/lib.rs:187:55
[INFO] [stdout]     |
[INFO] [stdout] 187 |   fn read_struct_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResul...
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple_len`
[INFO] [stdout]    --> src/lib.rs:210:35
[INFO] [stdout]     |
[INFO] [stdout] 210 |   fn read_tuple<T, F>(&mut self,  tuple_len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:215:38
[INFO] [stdout]     |
[INFO] [stdout] 215 |   fn read_tuple_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_name`
[INFO] [stdout]    --> src/lib.rs:220:41
[INFO] [stdout]     |
[INFO] [stdout] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:220:55
[INFO] [stdout]     |
[INFO] [stdout] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:225:45
[INFO] [stdout]     |
[INFO] [stdout] 225 |   fn read_tuple_struct_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:236:36
[INFO] [stdout]     |
[INFO] [stdout] 236 |   fn read_seq_elt<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 246 |   fn read_map_elt_key<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 251 |   fn read_map_elt_val<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_field`
[INFO] [stdout]   --> src/lib.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "1bfb267978c7adc982aaa0a71405d1640bb3baa8afbe307619517f37d0dc48c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfb267978c7adc982aaa0a71405d1640bb3baa8afbe307619517f37d0dc48c3", kill_on_drop: false }`
[INFO] [stdout] 1bfb267978c7adc982aaa0a71405d1640bb3baa8afbe307619517f37d0dc48c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6538b4d1a1b20e2a00511bf8a55efda9666c0437d7efb7417658b1b47081e34
[INFO] running `Command { std: "docker" "start" "-a" "b6538b4d1a1b20e2a00511bf8a55efda9666c0437d7efb7417658b1b47081e34", kill_on_drop: false }`
[INFO] [stderr]    Compiling typedopts v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/lib.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |   fn read_enum_variant_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]    --> src/lib.rs:169:48
[INFO] [stdout]     |
[INFO] [stdout] 169 |   fn read_enum_struct_variant<T, F>(&mut self, names: &[&str], f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder, usize) -> DecodeRes...
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_name`
[INFO] [stdout]    --> src/lib.rs:175:54
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn read_enum_struct_variant_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -...
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_f_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_idx`
[INFO] [stdout]    --> src/lib.rs:175:68
[INFO] [stdout]     |
[INFO] [stdout] 175 | ..., F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:181:49
[INFO] [stdout]     |
[INFO] [stdout] 181 |   fn read_struct<T, F>(&mut self, s_name: &str, len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_idx`
[INFO] [stdout]    --> src/lib.rs:187:55
[INFO] [stdout]     |
[INFO] [stdout] 187 |   fn read_struct_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResul...
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple_len`
[INFO] [stdout]    --> src/lib.rs:210:35
[INFO] [stdout]     |
[INFO] [stdout] 210 |   fn read_tuple<T, F>(&mut self,  tuple_len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:215:38
[INFO] [stdout]     |
[INFO] [stdout] 215 |   fn read_tuple_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_name`
[INFO] [stdout]    --> src/lib.rs:220:41
[INFO] [stdout]     |
[INFO] [stdout] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:220:55
[INFO] [stdout]     |
[INFO] [stdout] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:225:45
[INFO] [stdout]     |
[INFO] [stdout] 225 |   fn read_tuple_struct_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:236:36
[INFO] [stdout]     |
[INFO] [stdout] 236 |   fn read_seq_elt<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 246 |   fn read_map_elt_key<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 251 |   fn read_map_elt_val<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_field`
[INFO] [stdout]   --> src/lib.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> examples/readme.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(RustcDecodable)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/lib.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |   fn read_enum_variant_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]    --> src/lib.rs:169:48
[INFO] [stdout]     |
[INFO] [stdout] 169 |   fn read_enum_struct_variant<T, F>(&mut self, names: &[&str], f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder, usize) -> DecodeRes...
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_name`
[INFO] [stdout]    --> src/lib.rs:175:54
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn read_enum_struct_variant_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -...
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_f_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_idx`
[INFO] [stdout]    --> src/lib.rs:175:68
[INFO] [stdout]     |
[INFO] [stdout] 175 | ..., F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:181:49
[INFO] [stdout]     |
[INFO] [stdout] 181 |   fn read_struct<T, F>(&mut self, s_name: &str, len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_idx`
[INFO] [stdout]    --> src/lib.rs:187:55
[INFO] [stdout]     |
[INFO] [stdout] 187 |   fn read_struct_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResul...
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple_len`
[INFO] [stdout]    --> src/lib.rs:210:35
[INFO] [stdout]     |
[INFO] [stdout] 210 |   fn read_tuple<T, F>(&mut self,  tuple_len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:215:38
[INFO] [stdout]     |
[INFO] [stdout] 215 |   fn read_tuple_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_name`
[INFO] [stdout]    --> src/lib.rs:220:41
[INFO] [stdout]     |
[INFO] [stdout] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:220:55
[INFO] [stdout]     |
[INFO] [stdout] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_idx`
[INFO] [stdout]    --> src/lib.rs:225:45
[INFO] [stdout]     |
[INFO] [stdout] 225 |   fn read_tuple_struct_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:236:36
[INFO] [stdout]     |
[INFO] [stdout] 236 |   fn read_seq_elt<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 246 |   fn read_map_elt_key<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 251 |   fn read_map_elt_val<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> tests/test.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(RustcDecodable,PartialEq,Eq,Debug)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> tests/test.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> tests/test.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> tests/test.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> tests/test.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> tests/test.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 | #[derive(RustcDecodable, PartialEq, Eq, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> tests/test.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 | #[derive(RustcDecodable)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> tests/test.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[derive(RustcDecodable)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> tests/test.rs:143:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | #[derive(RustcDecodable, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> tests/test.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use typedopts::{Error,ErrorType,DecodeResult};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_field`
[INFO] [stdout]   --> src/lib.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> examples/getopt.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> examples/getopt.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodeResult`
[INFO] [stdout]  --> examples/getopt.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use typedopts::{DecodeResult,ErrorType};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     f(self, 0);
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     f(self);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/getopt.rs:48:3
[INFO] [stdout]    |
[INFO] [stdout] 48 | /   help_opts.parse(args).map(|m| {
[INFO] [stdout] 49 | |     if m.opt_present("h") {
[INFO] [stdout] 50 | |       print_usage(&program, generate_options());
[INFO] [stdout] 51 | |       return;
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | |   });
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "b6538b4d1a1b20e2a00511bf8a55efda9666c0437d7efb7417658b1b47081e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6538b4d1a1b20e2a00511bf8a55efda9666c0437d7efb7417658b1b47081e34", kill_on_drop: false }`
[INFO] [stdout] b6538b4d1a1b20e2a00511bf8a55efda9666c0437d7efb7417658b1b47081e34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7061a3230d5dbe40fe9cc7d07bcf9fabc4f8e740648215c7985bcefa7168ddf
[INFO] running `Command { std: "docker" "start" "-a" "e7061a3230d5dbe40fe9cc7d07bcf9fabc4f8e740648215c7985bcefa7168ddf", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/lib.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_idx`
[INFO] [stderr]    --> src/lib.rs:163:45
[INFO] [stderr]     |
[INFO] [stderr] 163 |   fn read_enum_variant_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `names`
[INFO] [stderr]    --> src/lib.rs:169:48
[INFO] [stderr]     |
[INFO] [stderr] 169 |   fn read_enum_struct_variant<T, F>(&mut self, names: &[&str], f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder, usize) -> DecodeRes...
[INFO] [stderr]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_name`
[INFO] [stderr]    --> src/lib.rs:175:54
[INFO] [stderr]     |
[INFO] [stderr] 175 |   fn read_enum_struct_variant_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -...
[INFO] [stderr]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_f_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_idx`
[INFO] [stderr]    --> src/lib.rs:175:68
[INFO] [stderr]     |
[INFO] [stderr] 175 | ..., F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:181:49
[INFO] [stderr]     |
[INFO] [stderr] 181 |   fn read_struct<T, F>(&mut self, s_name: &str, len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_idx`
[INFO] [stderr]    --> src/lib.rs:187:55
[INFO] [stderr]     |
[INFO] [stderr] 187 |   fn read_struct_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResul...
[INFO] [stderr]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tuple_len`
[INFO] [stderr]    --> src/lib.rs:210:35
[INFO] [stderr]     |
[INFO] [stderr] 210 |   fn read_tuple<T, F>(&mut self,  tuple_len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_idx`
[INFO] [stderr]    --> src/lib.rs:215:38
[INFO] [stderr]     |
[INFO] [stderr] 215 |   fn read_tuple_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s_name`
[INFO] [stderr]    --> src/lib.rs:220:41
[INFO] [stderr]     |
[INFO] [stderr] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:220:55
[INFO] [stderr]     |
[INFO] [stderr] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_idx`
[INFO] [stderr]    --> src/lib.rs:225:45
[INFO] [stderr]     |
[INFO] [stderr] 225 |   fn read_tuple_struct_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:236:36
[INFO] [stderr]     |
[INFO] [stderr] 236 |   fn read_seq_elt<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 246 |   fn read_map_elt_key<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 251 |   fn read_map_elt_val<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_field`
[INFO] [stderr]   --> src/lib.rs:67:6
[INFO] [stderr]    |
[INFO] [stderr] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     f(self, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     f(self, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     f(self, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:252:5
[INFO] [stderr]     |
[INFO] [stderr] 252 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/lib.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_idx`
[INFO] [stderr]    --> src/lib.rs:163:45
[INFO] [stderr]     |
[INFO] [stderr] 163 |   fn read_enum_variant_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `names`
[INFO] [stderr]    --> src/lib.rs:169:48
[INFO] [stderr]     |
[INFO] [stderr] 169 |   fn read_enum_struct_variant<T, F>(&mut self, names: &[&str], f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder, usize) -> DecodeRes...
[INFO] [stderr]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_name`
[INFO] [stderr]    --> src/lib.rs:175:54
[INFO] [stderr]     |
[INFO] [stderr] 175 |   fn read_enum_struct_variant_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -...
[INFO] [stderr]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_f_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_idx`
[INFO] [stderr]    --> src/lib.rs:175:68
[INFO] [stderr]     |
[INFO] [stderr] 175 | ..., F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:181:49
[INFO] [stderr]     |
[INFO] [stderr] 181 |   fn read_struct<T, F>(&mut self, s_name: &str, len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_idx`
[INFO] [stderr]    --> src/lib.rs:187:55
[INFO] [stderr]     |
[INFO] [stderr] 187 |   fn read_struct_field<T, F>(&mut self, f_name: &str, f_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResul...
[INFO] [stderr]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_f_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tuple_len`
[INFO] [stderr]    --> src/lib.rs:210:35
[INFO] [stderr]     |
[INFO] [stderr] 210 |   fn read_tuple<T, F>(&mut self,  tuple_len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_idx`
[INFO] [stderr]    --> src/lib.rs:215:38
[INFO] [stderr]     |
[INFO] [stderr] 215 |   fn read_tuple_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s_name`
[INFO] [stderr]    --> src/lib.rs:220:41
[INFO] [stderr]     |
[INFO] [stderr] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:220:55
[INFO] [stderr]     |
[INFO] [stderr] 220 |   fn read_tuple_struct<T, F>(&mut self, s_name: &str, len:usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_idx`
[INFO] [stderr]    --> src/lib.rs:225:45
[INFO] [stderr]     |
[INFO] [stderr] 225 |   fn read_tuple_struct_arg<T, F>(&mut self, a_idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_a_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:236:36
[INFO] [stderr]     |
[INFO] [stderr] 236 |   fn read_seq_elt<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 246 |   fn read_map_elt_key<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 251 |   fn read_map_elt_val<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> where F:FnOnce(&mut Decoder) -> DecodeResult<T> {
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_field`
[INFO] [stderr]   --> src/lib.rs:67:6
[INFO] [stderr]    |
[INFO] [stderr] 67 |   fn get_field<T:FromStr>(&self, field: &str) -> Option<T> {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     f(self, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     f(self, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     f(self, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:252:5
[INFO] [stderr]     |
[INFO] [stderr] 252 |     f(self);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> examples/getopt.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(RustcDecodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> examples/getopt.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(RustcDecodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DecodeResult`
[INFO] [stderr]  --> examples/getopt.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use typedopts::{DecodeResult,ErrorType};
[INFO] [stderr]   |                 ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/getopt.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 | /   help_opts.parse(args).map(|m| {
[INFO] [stderr] 49 | |     if m.opt_present("h") {
[INFO] [stderr] 50 | |       print_usage(&program, generate_options());
[INFO] [stderr] 51 | |       return;
[INFO] [stderr] 52 | |     }
[INFO] [stderr] 53 | |   });
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]  --> examples/readme.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(RustcDecodable)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]  --> tests/test.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(RustcDecodable,PartialEq,Eq,Debug)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> tests/test.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | #[derive(RustcDecodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> tests/test.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 | #[derive(RustcDecodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> tests/test.rs:64:10
[INFO] [stderr]    |
[INFO] [stderr] 64 | #[derive(RustcDecodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> tests/test.rs:79:10
[INFO] [stderr]    |
[INFO] [stderr] 79 | #[derive(RustcDecodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> tests/test.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 | #[derive(RustcDecodable, PartialEq, Eq, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> tests/test.rs:101:10
[INFO] [stderr]     |
[INFO] [stderr] 101 | #[derive(RustcDecodable)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> tests/test.rs:117:10
[INFO] [stderr]     |
[INFO] [stderr] 117 | #[derive(RustcDecodable)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> tests/test.rs:143:10
[INFO] [stderr]     |
[INFO] [stderr] 143 | #[derive(RustcDecodable, Debug)]
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> tests/test.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use typedopts::{Error,ErrorType,DecodeResult};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/typedopts-fd4a521f5d580467)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-e615aedb0085f26d)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test decode_task_err ... ok
[INFO] [stdout] test parse_char ... ok
[INFO] [stdout] test parse_bool ... ok
[INFO] [stdout] test parse_not_int ... ok
[INFO] [stdout] test parse_string ... ok
[INFO] [stdout] test parse_struct_optenum ... ok
[INFO] [stdout] test decode_task_ok ... ok
[INFO] [stdout] test parse_enum ... ok
[INFO] [stdout] test parse_option ... ok
[INFO] [stdout] test parse_float ... ok
[INFO] [stdout] test parse_int ... ok
[INFO] [stdout] test parse_struct_noopt ... ok
[INFO] [stderr] error: test failed, to rerun pass '--test test'
[INFO] [stdout] test parse_none_option ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parse_none_option stdout ----
[INFO] [stdout] thread 'parse_none_option' panicked at 'the long_name (second argument) should be longer than a single character, or an empty string for none', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.21/src/lib.rs:604:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5581cec49e50 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5581cec49e50 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5581cec49e50 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5581cec49e50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5581cec6e03c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x5581cec46d75 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x5581cec4bfbb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5581cec4bfbb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5581cec4bfbb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5581cec4bacc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5581cec4c684 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5581cec277f3 - std::panicking::begin_panic::{{closure}}::haa2259a5d090943e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:542:9
[INFO] [stdout]   12:     0x5581cec2e849 - std::sys_common::backtrace::__rust_end_short_backtrace::hab24bff5d543af40
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5581cec27729 - std::panicking::begin_panic::hb0ad47222346dbe6
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:541:12
[INFO] [stdout]   14:     0x5581cec2b9d4 - getopts::validate_names::hf03f0ba362dee469
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.21/src/lib.rs:604:5
[INFO] [stdout]   15:     0x5581cec2b71c - getopts::Options::reqopt::h2081bc3bcab3799f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.21/src/lib.rs:320:9
[INFO] [stdout]   16:     0x5581cebcc5d0 - test::parse_none_option::hcbcf73b94efe12c9
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test.rs:136:3
[INFO] [stdout]   17:     0x5581cebcc51a - test::parse_none_option::{{closure}}::hd106a591eb88f416
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test.rs:133:1
[INFO] [stdout]   18:     0x5581cebd22ae - core::ops::function::FnOnce::call_once::h31948d67cccae733
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x5581cec081d3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5581cec081d3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   21:     0x5581cec06c90 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   22:     0x5581cec06c90 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   23:     0x5581cec06c90 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   24:     0x5581cec06c90 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   25:     0x5581cec06c90 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   26:     0x5581cec06c90 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   27:     0x5581cec06c90 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   28:     0x5581cebe0342 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   29:     0x5581cebe0342 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x5581cebe3ef8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   31:     0x5581cebe3ef8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   32:     0x5581cebe3ef8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   33:     0x5581cebe3ef8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   34:     0x5581cebe3ef8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   35:     0x5581cebe3ef8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   36:     0x5581cebe3ef8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x5581cec51147 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   38:     0x5581cec51147 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x5581cec51147 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   40:     0x7fc6eb605609 - start_thread
[INFO] [stdout]   41:     0x7fc6eb3d7293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parse_none_option
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7061a3230d5dbe40fe9cc7d07bcf9fabc4f8e740648215c7985bcefa7168ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7061a3230d5dbe40fe9cc7d07bcf9fabc4f8e740648215c7985bcefa7168ddf", kill_on_drop: false }`
[INFO] [stdout] e7061a3230d5dbe40fe9cc7d07bcf9fabc4f8e740648215c7985bcefa7168ddf
