[INFO] fetching crate image-maker 0.1.2...
[INFO] checking image-maker-0.1.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate image-maker 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate image-maker 0.1.2 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] removed /workspace/builds/worker-1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate image-maker 0.1.2
[INFO] finished tweaking crates.io crate image-maker 0.1.2
[INFO] tweaked toml for crates.io crate image-maker 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate image-maker 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tianmu-fs v0.1.0
[INFO] [stderr]   Downloaded easy-fs v0.1.1
[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] 5b09ce9da966941df6cea291830ca5e4dd6032d733f45253c1482185864ce701
[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" "5b09ce9da966941df6cea291830ca5e4dd6032d733f45253c1482185864ce701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b09ce9da966941df6cea291830ca5e4dd6032d733f45253c1482185864ce701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b09ce9da966941df6cea291830ca5e4dd6032d733f45253c1482185864ce701", kill_on_drop: false }`
[INFO] [stdout] 5b09ce9da966941df6cea291830ca5e4dd6032d733f45253c1482185864ce701
[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] 160a0af70713d8c3ae10aefc183b8b20ccc6d9fd95005f5d0e6bb3b1b08fdcdc
[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" "160a0af70713d8c3ae10aefc183b8b20ccc6d9fd95005f5d0e6bb3b1b08fdcdc", kill_on_drop: false }`
[INFO] [stderr]     Checking easy-fs v0.1.1
[INFO] [stderr]     Checking tianmu-fs v0.1.0
[INFO] [stderr]     Checking image-maker v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `print_super_block`
[INFO] [stdout]  --> src/test.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn print_super_block(&mut self) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "160a0af70713d8c3ae10aefc183b8b20ccc6d9fd95005f5d0e6bb3b1b08fdcdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160a0af70713d8c3ae10aefc183b8b20ccc6d9fd95005f5d0e6bb3b1b08fdcdc", kill_on_drop: false }`
[INFO] [stdout] 160a0af70713d8c3ae10aefc183b8b20ccc6d9fd95005f5d0e6bb3b1b08fdcdc