[INFO] updating cached repository https://github.com/Tahler/snoss
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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] checking Tahler/snoss against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTahler%2Fsnoss" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tahler/snoss on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Tahler/snoss already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=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" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 043e39ee0fdecd5b10fe53fb3302cc5144c7afb35b7647b0f7b67eb80f754b3e
[INFO] running `"docker" "start" "-a" "043e39ee0fdecd5b10fe53fb3302cc5144c7afb35b7647b0f7b67eb80f754b3e"`
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking ordered-float v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.6.1
[INFO] [stderr]     Checking serde-value v0.4.0
[INFO] [stderr]     Checking flate2 v0.2.17
[INFO] [stderr]     Checking log4rs v0.6.1
[INFO] [stderr]     Checking 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] 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 24.43s
[INFO] running `"docker" "inspect" "043e39ee0fdecd5b10fe53fb3302cc5144c7afb35b7647b0f7b67eb80f754b3e"`
[INFO] running `"docker" "rm" "-f" "043e39ee0fdecd5b10fe53fb3302cc5144c7afb35b7647b0f7b67eb80f754b3e"`
[INFO] [stdout] 043e39ee0fdecd5b10fe53fb3302cc5144c7afb35b7647b0f7b67eb80f754b3e