[INFO] crate typedopts 1.1.2 is already in cache
[INFO] checking typedopts-1.1.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate typedopts 1.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate typedopts 1.1.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 55d8ae021527d305cffea16e8db00eeb0d83659de6a73e2e0c79612a0615f18e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "55d8ae021527d305cffea16e8db00eeb0d83659de6a73e2e0c79612a0615f18e"`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking typedopts v1.1.2 (/opt/rustwide/workdir)
[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) -> DecodeResult<T> {
[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) -> DecodeResult<T> {
[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 |   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) -> 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) -> DecodeResult<T> {
[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: method is never used: `get_field`
[INFO] [stderr]   --> src/lib.rs:67:3
[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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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: 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) -> DecodeResult<T> {
[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) -> DecodeResult<T> {
[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 |   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) -> 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) -> DecodeResult<T> {
[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: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_field`
[INFO] [stderr]   --> src/lib.rs:67:3
[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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 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 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: unused `std::result::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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "55d8ae021527d305cffea16e8db00eeb0d83659de6a73e2e0c79612a0615f18e"`
[INFO] running `"docker" "rm" "-f" "55d8ae021527d305cffea16e8db00eeb0d83659de6a73e2e0c79612a0615f18e"`
[INFO] [stdout] 55d8ae021527d305cffea16e8db00eeb0d83659de6a73e2e0c79612a0615f18e