[INFO] updating cached repository https://github.com/snoyberg/snoyberg-buy-rs
[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] 52fd11f708447e6d7548d5ad128e90ae3c3b8768
[INFO] checking snoyberg/snoyberg-buy-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Fsnoyberg-buy-rs" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snoyberg/snoyberg-buy-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/snoyberg/snoyberg-buy-rs
[INFO] finished tweaking git repo https://github.com/snoyberg/snoyberg-buy-rs
[INFO] tweaked toml for git repo https://github.com/snoyberg/snoyberg-buy-rs written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/snoyberg/snoyberg-buy-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef4fbe61b93bce2398c0d443c78e169513abbf131c80b14afa8d2bdfe9997c5d
[INFO] running `"docker" "start" "-a" "ef4fbe61b93bce2398c0d443c78e169513abbf131c80b14afa8d2bdfe9997c5d"`
[INFO] [stderr]    Compiling gio v0.5.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]     Checking glib-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]     Checking gobject-sys v0.7.0
[INFO] [stderr]     Checking gio-sys v0.7.0
[INFO] [stderr]     Checking glib v0.6.0
[INFO] [stderr]     Checking pango-sys v0.7.0
[INFO] [stderr]     Checking atk-sys v0.7.0
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.7.0
[INFO] [stderr]     Checking pango v0.5.0
[INFO] [stderr]     Checking gdk-pixbuf v0.5.0
[INFO] [stderr]     Checking buy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     Ok(mut file) => file,
[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/main.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     Ok(mut file) => file,
[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 1m 21s
[INFO] running `"docker" "inspect" "ef4fbe61b93bce2398c0d443c78e169513abbf131c80b14afa8d2bdfe9997c5d"`
[INFO] running `"docker" "rm" "-f" "ef4fbe61b93bce2398c0d443c78e169513abbf131c80b14afa8d2bdfe9997c5d"`
[INFO] [stdout] ef4fbe61b93bce2398c0d443c78e169513abbf131c80b14afa8d2bdfe9997c5d