[INFO] fetching crate rust-algorithm 0.1.4...
[INFO] building rust-algorithm-0.1.4 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rust-algorithm 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rust-algorithm 0.1.4
[INFO] finished tweaking crates.io crate rust-algorithm 0.1.4
[INFO] tweaked toml for crates.io crate rust-algorithm 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-algorithm 0.1.4 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-algorithm 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6956ca91664c8f32654537a9fe734b8563e9ad76e30fe1bcfa7a12d3ce227b2
[INFO] running `Command { std: "docker" "start" "-a" "f6956ca91664c8f32654537a9fe734b8563e9ad76e30fe1bcfa7a12d3ce227b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6956ca91664c8f32654537a9fe734b8563e9ad76e30fe1bcfa7a12d3ce227b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6956ca91664c8f32654537a9fe734b8563e9ad76e30fe1bcfa7a12d3ce227b2", kill_on_drop: false }`
[INFO] [stdout] f6956ca91664c8f32654537a9fe734b8563e9ad76e30fe1bcfa7a12d3ce227b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0784c06f89927321612f1bea6ad9980e010133108818165595f512490fd07c1
[INFO] running `Command { std: "docker" "start" "-a" "e0784c06f89927321612f1bea6ad9980e010133108818165595f512490fd07c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-algorithm v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e0784c06f89927321612f1bea6ad9980e010133108818165595f512490fd07c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0784c06f89927321612f1bea6ad9980e010133108818165595f512490fd07c1", kill_on_drop: false }`
[INFO] [stdout] e0784c06f89927321612f1bea6ad9980e010133108818165595f512490fd07c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e1485d2f8f1682b388deb87de8e79278d5622aa218e9864b34a812bb7c29d7
[INFO] running `Command { std: "docker" "start" "-a" "84e1485d2f8f1682b388deb87de8e79278d5622aa218e9864b34a812bb7c29d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-algorithm v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "84e1485d2f8f1682b388deb87de8e79278d5622aa218e9864b34a812bb7c29d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e1485d2f8f1682b388deb87de8e79278d5622aa218e9864b34a812bb7c29d7", kill_on_drop: false }`
[INFO] [stdout] 84e1485d2f8f1682b388deb87de8e79278d5622aa218e9864b34a812bb7c29d7