[INFO] fetching crate cc 1.0.72...
[INFO] building cc-1.0.72 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cc 1.0.72 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate cc 1.0.72 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 cc 1.0.72
[INFO] finished tweaking crates.io crate cc 1.0.72
[INFO] tweaked toml for crates.io crate cc 1.0.72 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate cc 1.0.72 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 96cdecd63ca574872a00404b11d41dc427cec07e1397e72a2183f6e80043f65f
[INFO] running `Command { std: "docker" "start" "-a" "96cdecd63ca574872a00404b11d41dc427cec07e1397e72a2183f6e80043f65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96cdecd63ca574872a00404b11d41dc427cec07e1397e72a2183f6e80043f65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cdecd63ca574872a00404b11d41dc427cec07e1397e72a2183f6e80043f65f", kill_on_drop: false }`
[INFO] [stdout] 96cdecd63ca574872a00404b11d41dc427cec07e1397e72a2183f6e80043f65f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 7b02832cb54c332aafcedb61a87ab64dc0950b1f3b50dd370d434e4e9072ec11
[INFO] running `Command { std: "docker" "start" "-a" "7b02832cb54c332aafcedb61a87ab64dc0950b1f3b50dd370d434e4e9072ec11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.72 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "7b02832cb54c332aafcedb61a87ab64dc0950b1f3b50dd370d434e4e9072ec11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b02832cb54c332aafcedb61a87ab64dc0950b1f3b50dd370d434e4e9072ec11", kill_on_drop: false }`
[INFO] [stdout] 7b02832cb54c332aafcedb61a87ab64dc0950b1f3b50dd370d434e4e9072ec11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 3943f301f5fe8585df283704c5f72f1a815dadcbcb8d68f3c9b23f23d9a4303c
[INFO] running `Command { std: "docker" "start" "-a" "3943f301f5fe8585df283704c5f72f1a815dadcbcb8d68f3c9b23f23d9a4303c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling cc v1.0.72 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "3943f301f5fe8585df283704c5f72f1a815dadcbcb8d68f3c9b23f23d9a4303c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3943f301f5fe8585df283704c5f72f1a815dadcbcb8d68f3c9b23f23d9a4303c", kill_on_drop: false }`
[INFO] [stdout] 3943f301f5fe8585df283704c5f72f1a815dadcbcb8d68f3c9b23f23d9a4303c