[INFO] fetching crate pro_allocator 3.0.0-rc2...
[INFO] testing pro_allocator-3.0.0-rc2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate pro_allocator 3.0.0-rc2 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate pro_allocator 3.0.0-rc2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_allocator 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_allocator 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_allocator 3.0.0-rc2 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bef3118e93340e4ba82adb4e26c8ca954cbaac60c903a421b2b91e0694101f6
[INFO] running `Command { std: "docker" "start" "-a" "5bef3118e93340e4ba82adb4e26c8ca954cbaac60c903a421b2b91e0694101f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bef3118e93340e4ba82adb4e26c8ca954cbaac60c903a421b2b91e0694101f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bef3118e93340e4ba82adb4e26c8ca954cbaac60c903a421b2b91e0694101f6", kill_on_drop: false }`
[INFO] [stdout] 5bef3118e93340e4ba82adb4e26c8ca954cbaac60c903a421b2b91e0694101f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb0abfb38fe7312a760d5dc3fdff96ac204b4f2644aed532e2ebe16a179a47a
[INFO] running `Command { std: "docker" "start" "-a" "5fb0abfb38fe7312a760d5dc3fdff96ac204b4f2644aed532e2ebe16a179a47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pro_allocator v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "5fb0abfb38fe7312a760d5dc3fdff96ac204b4f2644aed532e2ebe16a179a47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb0abfb38fe7312a760d5dc3fdff96ac204b4f2644aed532e2ebe16a179a47a", kill_on_drop: false }`
[INFO] [stdout] 5fb0abfb38fe7312a760d5dc3fdff96ac204b4f2644aed532e2ebe16a179a47a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e59d5faa37d2a07ef24dac6b525f7021de4fc188ea4385a94796acb96bc4c2fa
[INFO] running `Command { std: "docker" "start" "-a" "e59d5faa37d2a07ef24dac6b525f7021de4fc188ea4385a94796acb96bc4c2fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling pro_allocator v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e59d5faa37d2a07ef24dac6b525f7021de4fc188ea4385a94796acb96bc4c2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59d5faa37d2a07ef24dac6b525f7021de4fc188ea4385a94796acb96bc4c2fa", kill_on_drop: false }`
[INFO] [stdout] e59d5faa37d2a07ef24dac6b525f7021de4fc188ea4385a94796acb96bc4c2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ba4ddcca0a671409b0f13b1336fd5a9311d76f2700c7496fe069f08490a24f9
[INFO] running `Command { std: "docker" "start" "-a" "7ba4ddcca0a671409b0f13b1336fd5a9311d76f2700c7496fe069f08490a24f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pro_allocator-a223a4fbb866d85d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pro_allocator
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ba4ddcca0a671409b0f13b1336fd5a9311d76f2700c7496fe069f08490a24f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba4ddcca0a671409b0f13b1336fd5a9311d76f2700c7496fe069f08490a24f9", kill_on_drop: false }`
[INFO] [stdout] 7ba4ddcca0a671409b0f13b1336fd5a9311d76f2700c7496fe069f08490a24f9