[INFO] fetching crate crius 0.4.0...
[INFO] checking crius-0.4.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate crius 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crius 0.4.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crius 0.4.0
[INFO] finished tweaking crates.io crate crius 0.4.0
[INFO] tweaked toml for crates.io crate crius 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76be6e15dab4f7b340173872eae6d09a3c6686a1c8cfee8d69c539556644d0a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76be6e15dab4f7b340173872eae6d09a3c6686a1c8cfee8d69c539556644d0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76be6e15dab4f7b340173872eae6d09a3c6686a1c8cfee8d69c539556644d0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76be6e15dab4f7b340173872eae6d09a3c6686a1c8cfee8d69c539556644d0a3", kill_on_drop: false }`
[INFO] [stdout] 76be6e15dab4f7b340173872eae6d09a3c6686a1c8cfee8d69c539556644d0a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eb5f49ba357bce5de6843dfd5c80647b39fcc3ecaf8ae2f4f763c17d9a1dcaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1eb5f49ba357bce5de6843dfd5c80647b39fcc3ecaf8ae2f4f763c17d9a1dcaf", kill_on_drop: false }`
[INFO] [stderr]     Checking crius v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `success_percentage`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `success_nr`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `success_percentage`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `success_nr`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "1eb5f49ba357bce5de6843dfd5c80647b39fcc3ecaf8ae2f4f763c17d9a1dcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb5f49ba357bce5de6843dfd5c80647b39fcc3ecaf8ae2f4f763c17d9a1dcaf", kill_on_drop: false }`
[INFO] [stdout] 1eb5f49ba357bce5de6843dfd5c80647b39fcc3ecaf8ae2f4f763c17d9a1dcaf