[INFO] updating cached repository https://github.com/LaineZ/bc_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/LaineZ/bc_rs
[INFO] [stderr]    fd1261c..529210c  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 529210c41014d9c818bdb2b774fac1a7fde4942e
[INFO] checking LaineZ/bc_rs against master#08dfbfb61871a83f720c6e97a3b737076e89fe3e for pr-71796
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaineZ%2Fbc_rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LaineZ/bc_rs on toolchain 08dfbfb61871a83f720c6e97a3b737076e89fe3e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LaineZ/bc_rs
[INFO] finished tweaking git repo https://github.com/LaineZ/bc_rs
[INFO] tweaked toml for git repo https://github.com/LaineZ/bc_rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LaineZ/bc_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 403df4bc7ee46a513852aa2c2ea641b42edb484fcb25b0d0c51dd3c159ea44a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "403df4bc7ee46a513852aa2c2ea641b42edb484fcb25b0d0c51dd3c159ea44a0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling pkg-config v0.3.17
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[INFO] [stderr]    Compiling selectors v0.22.0
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[INFO] [stderr]    Compiling serde_derive v1.0.104
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[INFO] [stderr] warning: associated function is never used: `is_playing`
[INFO] [stderr]    --> src/bc_core/playback.rs:456:5
[INFO] [stderr]     |
[INFO] [stderr] 456 |     pub fn is_playing(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bop_interfaces/cli_advanced.rs:250:21
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     webbrowser::open(&state.queue.content[state.queue_pos].album_url);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_playing`
[INFO] [stderr]    --> src/bc_core/playback.rs:456:5
[INFO] [stderr]     |
[INFO] [stderr] 456 |     pub fn is_playing(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bop_interfaces/cli_advanced.rs:250:21
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     webbrowser::open(&state.queue.content[state.queue_pos].album_url);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] running `"docker" "inspect" "403df4bc7ee46a513852aa2c2ea641b42edb484fcb25b0d0c51dd3c159ea44a0"`
[INFO] running `"docker" "rm" "-f" "403df4bc7ee46a513852aa2c2ea641b42edb484fcb25b0d0c51dd3c159ea44a0"`
[INFO] [stdout] 403df4bc7ee46a513852aa2c2ea641b42edb484fcb25b0d0c51dd3c159ea44a0