[INFO] fetching crate calc_engine 0.4.1...
[INFO] checking calc_engine-0.4.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate calc_engine 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate calc_engine 0.4.1 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calc_engine 0.4.1
[INFO] finished tweaking crates.io crate calc_engine 0.4.1
[INFO] tweaked toml for crates.io crate calc_engine 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate calc_engine 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto_correct_n_suggest v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 480ee996421115766229e7fd9b42c3d61a12e22080123e418a2fd2a27087d917
[INFO] running `Command { std: "docker" "start" "-a" "480ee996421115766229e7fd9b42c3d61a12e22080123e418a2fd2a27087d917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480ee996421115766229e7fd9b42c3d61a12e22080123e418a2fd2a27087d917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480ee996421115766229e7fd9b42c3d61a12e22080123e418a2fd2a27087d917", kill_on_drop: false }`
[INFO] [stdout] 480ee996421115766229e7fd9b42c3d61a12e22080123e418a2fd2a27087d917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 182b914b2ba1b04f6fdf2eedb5472a84d7ed8b757c2b6078d519dd8f54fc92b0
[INFO] running `Command { std: "docker" "start" "-a" "182b914b2ba1b04f6fdf2eedb5472a84d7ed8b757c2b6078d519dd8f54fc92b0", kill_on_drop: false }`
[INFO] [stderr]     Checking auto_correct_n_suggest v0.2.0
[INFO] [stderr]     Checking calc_engine v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "182b914b2ba1b04f6fdf2eedb5472a84d7ed8b757c2b6078d519dd8f54fc92b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182b914b2ba1b04f6fdf2eedb5472a84d7ed8b757c2b6078d519dd8f54fc92b0", kill_on_drop: false }`
[INFO] [stdout] 182b914b2ba1b04f6fdf2eedb5472a84d7ed8b757c2b6078d519dd8f54fc92b0