[INFO] cloning repository https://github.com/pnikosis/romst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pnikosis/romst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnikosis%2Fromst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnikosis%2Fromst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7ae2f8c288f4da9fdbd2b5c994a4a867cb6f114
[INFO] checking pnikosis/romst against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnikosis%2Fromst" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pnikosis/romst on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pnikosis/romst
[INFO] finished tweaking git repo https://github.com/pnikosis/romst
[INFO] tweaked toml for git repo https://github.com/pnikosis/romst written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pnikosis/romst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1babcb695502c7357956342db019f28516499e790fb2816cd6eceb1de507da5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e1babcb695502c7357956342db019f28516499e790fb2816cd6eceb1de507da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1babcb695502c7357956342db019f28516499e790fb2816cd6eceb1de507da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1babcb695502c7357956342db019f28516499e790fb2816cd6eceb1de507da5", kill_on_drop: false }`
[INFO] [stdout] e1babcb695502c7357956342db019f28516499e790fb2816cd6eceb1de507da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01d01ffe00e55a1922d635e067653541e781d44acf376871044eac2a43daaeb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01d01ffe00e55a1922d635e067653541e781d44acf376871044eac2a43daaeb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking romst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dat::data_writer::DataWriter`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dat::data_writer::DataWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dat::data_writer::DataWriter`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dat::data_writer::DataWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/dat/dat_reader.rs:214:70
[INFO] [stdout]     |
[INFO] [stdout] 214 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/dat/dat_reader.rs:214:70
[INFO] [stdout]     |
[INFO] [stdout] 214 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/dat/dat_reader.rs:214:75
[INFO] [stdout]     |
[INFO] [stdout] 214 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/dat/dat_reader.rs:219:70
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/dat/dat_reader.rs:219:75
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/dat/dat_reader.rs:224:70
[INFO] [stdout]     |
[INFO] [stdout] 224 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/dat/dat_reader.rs:224:75
[INFO] [stdout]     |
[INFO] [stdout] 224 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]    --> src/dat/dat_reader.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   let year = self.get_text()?;
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manuf`
[INFO] [stdout]    --> src/dat/dat_reader.rs:206:33
[INFO] [stdout]     |
[INFO] [stdout] 206 | ...                   let manuf = self.get_text()?;
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_manuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/dat/dat_reader.rs:214:75
[INFO] [stdout]     |
[INFO] [stdout] 214 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/dat/dat_reader.rs:219:70
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/dat/dat_reader.rs:219:75
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/dat/dat_reader.rs:224:70
[INFO] [stdout]     |
[INFO] [stdout] 224 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/dat/dat_reader.rs:224:75
[INFO] [stdout]     |
[INFO] [stdout] 224 | ...                   self.process_attributes(e.attributes(), |key, value| {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]    --> src/dat/dat_reader.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   let year = self.get_text()?;
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manuf`
[INFO] [stdout]    --> src/dat/dat_reader.rs:206:33
[INFO] [stdout]     |
[INFO] [stdout] 206 | ...                   let manuf = self.get_text()?;
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_manuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/dat/dat_reader.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     buf: Vec<u8>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/dat/dat_reader.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_string(xml: &str) -> DatReader<&[u8]> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `buf_mut`
[INFO] [stdout]   --> src/dat/dat_reader.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn buf_mut(&mut self) -> &mut Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DataWriter`
[INFO] [stdout]  --> src/dat/data_writer.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct DataWriter {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/dat/dat_reader.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     buf: Vec<u8>
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/dat/dat_reader.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_string(xml: &str) -> DatReader<&[u8]> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `buf_mut`
[INFO] [stdout]   --> src/dat/dat_reader.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn buf_mut(&mut self) -> &mut Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DataWriter`
[INFO] [stdout]  --> src/dat/data_writer.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct DataWriter {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.77s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01d01ffe00e55a1922d635e067653541e781d44acf376871044eac2a43daaeb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d01ffe00e55a1922d635e067653541e781d44acf376871044eac2a43daaeb2", kill_on_drop: false }`
[INFO] [stdout] 01d01ffe00e55a1922d635e067653541e781d44acf376871044eac2a43daaeb2