[INFO] fetching crate allocandrescu 0.1.0-alpha.4...
[INFO] checking allocandrescu-0.1.0-alpha.4 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate allocandrescu 0.1.0-alpha.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate allocandrescu 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate allocandrescu 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate allocandrescu 0.1.0-alpha.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate allocandrescu 0.1.0-alpha.4 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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 2 packages to latest compatible versions
[INFO] [stderr]       Adding allocator-api2 v0.2.21 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b62d396a2e1655a8126e66d44a5806e9266cfc9ed1a99bb184ba10a0bdbfa31
[INFO] running `Command { std: "docker" "start" "-a" "6b62d396a2e1655a8126e66d44a5806e9266cfc9ed1a99bb184ba10a0bdbfa31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b62d396a2e1655a8126e66d44a5806e9266cfc9ed1a99bb184ba10a0bdbfa31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b62d396a2e1655a8126e66d44a5806e9266cfc9ed1a99bb184ba10a0bdbfa31", kill_on_drop: false }`
[INFO] [stdout] 6b62d396a2e1655a8126e66d44a5806e9266cfc9ed1a99bb184ba10a0bdbfa31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6c0b8264f9dc9c1d3db5c7c367094a7102a3550f266aedd73492854ec8a138d
[INFO] running `Command { std: "docker" "start" "-a" "a6c0b8264f9dc9c1d3db5c7c367094a7102a3550f266aedd73492854ec8a138d", kill_on_drop: false }`
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking allocandrescu v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "a6c0b8264f9dc9c1d3db5c7c367094a7102a3550f266aedd73492854ec8a138d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c0b8264f9dc9c1d3db5c7c367094a7102a3550f266aedd73492854ec8a138d", kill_on_drop: false }`
[INFO] [stdout] a6c0b8264f9dc9c1d3db5c7c367094a7102a3550f266aedd73492854ec8a138d