[INFO] fetching crate mimalloc 0.1.30...
[INFO] building mimalloc-0.1.30 against master#ee1c3b385b6673b6ef37d80dfabe048e993c2ae2 for pr-102832-1
[INFO] extracting crate mimalloc 0.1.30 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mimalloc 0.1.30 on toolchain ee1c3b385b6673b6ef37d80dfabe048e993c2ae2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mimalloc 0.1.30
[INFO] finished tweaking crates.io crate mimalloc 0.1.30
[INFO] tweaked toml for crates.io crate mimalloc 0.1.30 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 686c8f03928e74e25134d7421b3befefe14c1575a372f9e264a8342db5d4d0c7
[INFO] running `Command { std: "docker" "start" "-a" "686c8f03928e74e25134d7421b3befefe14c1575a372f9e264a8342db5d4d0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686c8f03928e74e25134d7421b3befefe14c1575a372f9e264a8342db5d4d0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686c8f03928e74e25134d7421b3befefe14c1575a372f9e264a8342db5d4d0c7", kill_on_drop: false }`
[INFO] [stdout] 686c8f03928e74e25134d7421b3befefe14c1575a372f9e264a8342db5d4d0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1e51617940fa41829a7341122b66be959009963e2093766bff48df3bf871d9
[INFO] running `Command { std: "docker" "start" "-a" "9b1e51617940fa41829a7341122b66be959009963e2093766bff48df3bf871d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.26
[INFO] [stderr]    Compiling mimalloc v0.1.30 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "9b1e51617940fa41829a7341122b66be959009963e2093766bff48df3bf871d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1e51617940fa41829a7341122b66be959009963e2093766bff48df3bf871d9", kill_on_drop: false }`
[INFO] [stdout] 9b1e51617940fa41829a7341122b66be959009963e2093766bff48df3bf871d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6242d9d039e04db35163ec262aebe355549a9408fd5e7132c96c52538359e5e1
[INFO] running `Command { std: "docker" "start" "-a" "6242d9d039e04db35163ec262aebe355549a9408fd5e7132c96c52538359e5e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc v0.1.30 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "6242d9d039e04db35163ec262aebe355549a9408fd5e7132c96c52538359e5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6242d9d039e04db35163ec262aebe355549a9408fd5e7132c96c52538359e5e1", kill_on_drop: false }`
[INFO] [stdout] 6242d9d039e04db35163ec262aebe355549a9408fd5e7132c96c52538359e5e1