[INFO] updating cached repository https://github.com/FrozenDroid/serialmonitor-rust
[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] 82625c794fc9bb30fc24a2817f1c67f186bfbba8
[INFO] checking FrozenDroid/serialmonitor-rust against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrozenDroid%2Fserialmonitor-rust" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrozenDroid/serialmonitor-rust 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/FrozenDroid/serialmonitor-rust
[INFO] finished tweaking git repo https://github.com/FrozenDroid/serialmonitor-rust
[INFO] tweaked toml for git repo https://github.com/FrozenDroid/serialmonitor-rust written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/FrozenDroid/serialmonitor-rust 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/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] e8c5f0d5bac096a97409beb3e617caf0e9bea634261f651456d55fc9e9cff030
[INFO] running `"docker" "start" "-a" "e8c5f0d5bac096a97409beb3e617caf0e9bea634261f651456d55fc9e9cff030"`
[INFO] [stderr]     Checking glib-sys v0.5.0
[INFO] [stderr]     Checking cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]     Checking gobject-sys v0.5.0
[INFO] [stderr]     Checking futures-glib v0.3.2
[INFO] [stderr]     Checking relm-core v0.11.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]     Checking relm-state v0.11.0
[INFO] [stderr]     Checking gio-sys v0.5.0
[INFO] [stderr]     Checking pango-sys v0.5.0
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking atk-sys v0.5.0
[INFO] [stderr]    Compiling relm-attributes v0.11.0
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.5.0
[INFO] [stderr]     Checking pango v0.3.0
[INFO] [stderr]     Checking cairo-rs v0.3.0
[INFO] [stderr]     Checking gio v0.3.0
[INFO] [stderr]     Checking gdk-sys v0.5.0
[INFO] [stderr]     Checking gdk-pixbuf v0.3.0
[INFO] [stderr]     Checking gtk-sys v0.5.0
[INFO] [stderr]     Checking gdk v0.7.0
[INFO] [stderr]     Checking gtk v0.3.0
[INFO] [stderr]     Checking relm v0.11.0
[INFO] [stderr]     Checking serialmonitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> serialmonitor.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> serialmonitor.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> serialmonitor.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> serialmonitor.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `"docker" "inspect" "e8c5f0d5bac096a97409beb3e617caf0e9bea634261f651456d55fc9e9cff030"`
[INFO] running `"docker" "rm" "-f" "e8c5f0d5bac096a97409beb3e617caf0e9bea634261f651456d55fc9e9cff030"`
[INFO] [stdout] e8c5f0d5bac096a97409beb3e617caf0e9bea634261f651456d55fc9e9cff030