[INFO] updating cached repository https://github.com/Tahler/snoss
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4dca754c3e97fa7119cc71170c5f54a8a3e71d8
[INFO] testing Tahler/snoss against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTahler%2Fsnoss" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tahler/snoss on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tahler/snoss
[INFO] finished tweaking git repo https://github.com/Tahler/snoss
[INFO] tweaked toml for git repo https://github.com/Tahler/snoss written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Tahler/snoss already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 18ad0af64fd55f28eb5b104f5eb6c52c83aee7cabfdcd572c893aa5cfd7bd6e0
[INFO] running `"docker" "start" "-a" "18ad0af64fd55f28eb5b104f5eb6c52c83aee7cabfdcd572c893aa5cfd7bd6e0"`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling humantime v1.0.0
[INFO] [stderr]    Compiling ordered-float v0.4.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling flate2 v0.2.17
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]    Compiling serde_derive v0.9.7
[INFO] [stderr]    Compiling serde-value v0.4.0
[INFO] [stderr]    Compiling serde_json v0.9.6
[INFO] [stderr]    Compiling serde_yaml v0.6.1
[INFO] [stderr]    Compiling log4rs v0.6.1
[INFO] [stderr]    Compiling snoss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/os/exec.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut stack = pcb.get_stack_mut();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `"docker" "inspect" "18ad0af64fd55f28eb5b104f5eb6c52c83aee7cabfdcd572c893aa5cfd7bd6e0"`
[INFO] running `"docker" "rm" "-f" "18ad0af64fd55f28eb5b104f5eb6c52c83aee7cabfdcd572c893aa5cfd7bd6e0"`
[INFO] [stdout] 18ad0af64fd55f28eb5b104f5eb6c52c83aee7cabfdcd572c893aa5cfd7bd6e0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9b00dfc14aff1574998d73f7db95575213a065dbf87bced118271308911fb0f
[INFO] running `"docker" "start" "-a" "b9b00dfc14aff1574998d73f7db95575213a065dbf87bced118271308911fb0f"`
[INFO] [stderr]    Compiling snoss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/os/exec.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut stack = pcb.get_stack_mut();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "b9b00dfc14aff1574998d73f7db95575213a065dbf87bced118271308911fb0f"`
[INFO] running `"docker" "rm" "-f" "b9b00dfc14aff1574998d73f7db95575213a065dbf87bced118271308911fb0f"`
[INFO] [stdout] b9b00dfc14aff1574998d73f7db95575213a065dbf87bced118271308911fb0f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 1656c1039a2b15451c9b680ff4f362fca8023bdbfafde22d0130aa3b02e4ad58
[INFO] running `"docker" "start" "-a" "1656c1039a2b15451c9b680ff4f362fca8023bdbfafde22d0130aa3b02e4ad58"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snoss-b4bf3ffd94713842
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1656c1039a2b15451c9b680ff4f362fca8023bdbfafde22d0130aa3b02e4ad58"`
[INFO] running `"docker" "rm" "-f" "1656c1039a2b15451c9b680ff4f362fca8023bdbfafde22d0130aa3b02e4ad58"`
[INFO] [stdout] 1656c1039a2b15451c9b680ff4f362fca8023bdbfafde22d0130aa3b02e4ad58