[INFO] fetching crate bc 0.1.15...
[INFO] checking bc-0.1.15 against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] extracting crate bc 0.1.15 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bc 0.1.15
[INFO] finished tweaking crates.io crate bc 0.1.15
[INFO] tweaked toml for crates.io crate bc 0.1.15 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bc 0.1.15 on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v1.3.5
[INFO] [stderr]   Downloaded assert-eq-float v0.1.4
[INFO] [stderr]   Downloaded execute-command-macro-impl v0.1.12
[INFO] [stderr]   Downloaded execute-command-macro v0.1.11
[INFO] [stderr]   Downloaded execute-command-tokens v0.1.9
[INFO] [stderr]   Downloaded execute v0.2.15
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd499687ce0c7a824b88b65edfa8409ed301505e1a50ec02d9b789dd7598923d
[INFO] running `Command { std: "docker" "start" "-a" "cd499687ce0c7a824b88b65edfa8409ed301505e1a50ec02d9b789dd7598923d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd499687ce0c7a824b88b65edfa8409ed301505e1a50ec02d9b789dd7598923d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd499687ce0c7a824b88b65edfa8409ed301505e1a50ec02d9b789dd7598923d", kill_on_drop: false }`
[INFO] [stdout] cd499687ce0c7a824b88b65edfa8409ed301505e1a50ec02d9b789dd7598923d
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0949b708192244661d7a1557d93994dbf57670bf01f09548589f4cd06d4241c2
[INFO] running `Command { std: "docker" "start" "-a" "0949b708192244661d7a1557d93994dbf57670bf01f09548589f4cd06d4241c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling execute-command-tokens v0.1.9
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking assert-eq-float v0.1.4
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking generic-array v1.3.5
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.12
[INFO] [stderr]     Checking execute-command-macro v0.1.11
[INFO] [stderr]     Checking execute v0.2.15
[INFO] [stderr]     Checking bc v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "0949b708192244661d7a1557d93994dbf57670bf01f09548589f4cd06d4241c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0949b708192244661d7a1557d93994dbf57670bf01f09548589f4cd06d4241c2", kill_on_drop: false }`
[INFO] [stdout] 0949b708192244661d7a1557d93994dbf57670bf01f09548589f4cd06d4241c2