[INFO] fetching crate IF 0.0.53...
[INFO] checking IF-0.0.53 against master#49b6ac01d6f4c3da812039ae846407a20961aa4c for pr-154887
[INFO] extracting crate IF 0.0.53 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate IF 0.0.53
[INFO] finished tweaking crates.io crate IF 0.0.53
[INFO] tweaked toml for crates.io crate IF 0.0.53 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate IF 0.0.53 on toolchain 49b6ac01d6f4c3da812039ae846407a20961aa4c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate IF 0.0.53 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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-hangul v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-normal v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.0
[INFO] [stderr]   Downloaded unic-ucd-case v0.9.0
[INFO] [stderr]   Downloaded cc v1.2.35
[INFO] [stderr]   Downloaded unic-ucd-common v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name_aliases v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-block v0.9.0
[INFO] [stderr]   Downloaded unic-ucd v0.9.0
[INFO] [stderr]   Downloaded Mademoiselle_Entropia v1.11.19
[INFO] [stderr]   Downloaded min_err_per_step v0.0.179
[INFO] [stderr]   Downloaded CuPs v0.0.5
[INFO] [stderr]   Downloaded unic-ucd-name v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84be3822d4af4d91dd2035ef32cf741e5750d1608e90e60d5034011c15ea64d2
[INFO] running `Command { std: "docker" "start" "-a" "84be3822d4af4d91dd2035ef32cf741e5750d1608e90e60d5034011c15ea64d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84be3822d4af4d91dd2035ef32cf741e5750d1608e90e60d5034011c15ea64d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84be3822d4af4d91dd2035ef32cf741e5750d1608e90e60d5034011c15ea64d2", kill_on_drop: false }`
[INFO] [stdout] 84be3822d4af4d91dd2035ef32cf741e5750d1608e90e60d5034011c15ea64d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f87de20c97e3bcf4ec7d433a9df0bc0c3a2920f1c7d5551571fba553cc36e80
[INFO] running `Command { std: "docker" "start" "-a" "2f87de20c97e3bcf4ec7d433a9df0bc0c3a2920f1c7d5551571fba553cc36e80", kill_on_drop: false }`
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-ucd-name v0.9.0
[INFO] [stderr]     Checking unic-ucd-common v0.9.0
[INFO] [stderr]     Checking unic-ucd-case v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unic-ucd-name_aliases v0.9.0
[INFO] [stderr]     Checking unic-ucd-block v0.9.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling CuPs v0.0.5
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling min_err_per_step v0.0.179
[INFO] [stderr]    Compiling IF v0.0.53 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking unic-ucd v0.9.0
[INFO] [stderr]     Checking Mademoiselle_Entropia v1.11.19
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2f87de20c97e3bcf4ec7d433a9df0bc0c3a2920f1c7d5551571fba553cc36e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f87de20c97e3bcf4ec7d433a9df0bc0c3a2920f1c7d5551571fba553cc36e80", kill_on_drop: false }`
[INFO] [stdout] 2f87de20c97e3bcf4ec7d433a9df0bc0c3a2920f1c7d5551571fba553cc36e80