[INFO] fetching crate allocandrescu 0.1.0-alpha.4...
[INFO] checking allocandrescu-0.1.0-alpha.4 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate allocandrescu 0.1.0-alpha.4 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate allocandrescu 0.1.0-alpha.4 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf6733ff2e11573c3d1ae0344b69eb763c0a03b6eca2ee2ccbe25eb7e12d6694
[INFO] running `Command { std: "docker" "start" "-a" "cf6733ff2e11573c3d1ae0344b69eb763c0a03b6eca2ee2ccbe25eb7e12d6694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6733ff2e11573c3d1ae0344b69eb763c0a03b6eca2ee2ccbe25eb7e12d6694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6733ff2e11573c3d1ae0344b69eb763c0a03b6eca2ee2ccbe25eb7e12d6694", kill_on_drop: false }`
[INFO] [stdout] cf6733ff2e11573c3d1ae0344b69eb763c0a03b6eca2ee2ccbe25eb7e12d6694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d7bcd0dd24b0f64dac8c983b0497699196524c2550603d93eaf12eb66b08a7
[INFO] running `Command { std: "docker" "start" "-a" "61d7bcd0dd24b0f64dac8c983b0497699196524c2550603d93eaf12eb66b08a7", 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 0.75s
[INFO] running `Command { std: "docker" "inspect" "61d7bcd0dd24b0f64dac8c983b0497699196524c2550603d93eaf12eb66b08a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d7bcd0dd24b0f64dac8c983b0497699196524c2550603d93eaf12eb66b08a7", kill_on_drop: false }`
[INFO] [stdout] 61d7bcd0dd24b0f64dac8c983b0497699196524c2550603d93eaf12eb66b08a7