[INFO] fetching crate quantizer 0.1.0...
[INFO] testing quantizer-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate quantizer 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate quantizer 0.1.0 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 quantizer 0.1.0
[INFO] finished tweaking crates.io crate quantizer 0.1.0
[INFO] tweaked toml for crates.io crate quantizer 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate quantizer 0.1.0 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] [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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b0d7c0e5429da614970f506b1186771dac4388d8e957a1cf7512d9d9d0f1bd24
[INFO] running `Command { std: "docker" "start" "-a" "b0d7c0e5429da614970f506b1186771dac4388d8e957a1cf7512d9d9d0f1bd24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d7c0e5429da614970f506b1186771dac4388d8e957a1cf7512d9d9d0f1bd24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d7c0e5429da614970f506b1186771dac4388d8e957a1cf7512d9d9d0f1bd24", kill_on_drop: false }`
[INFO] [stdout] b0d7c0e5429da614970f506b1186771dac4388d8e957a1cf7512d9d9d0f1bd24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d731bdaf6c1fee22a335fe4ddbaf1dfd5d28e317f8b71a71d4bb46c3e42a984c
[INFO] running `Command { std: "docker" "start" "-a" "d731bdaf6c1fee22a335fe4ddbaf1dfd5d28e317f8b71a71d4bb46c3e42a984c", kill_on_drop: false }`
[INFO] [stderr]    Compiling quantizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "d731bdaf6c1fee22a335fe4ddbaf1dfd5d28e317f8b71a71d4bb46c3e42a984c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d731bdaf6c1fee22a335fe4ddbaf1dfd5d28e317f8b71a71d4bb46c3e42a984c", kill_on_drop: false }`
[INFO] [stdout] d731bdaf6c1fee22a335fe4ddbaf1dfd5d28e317f8b71a71d4bb46c3e42a984c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 97a61629cf3ec93539eb7fc6a8be5080e291cc0010373848c09568ec81e5b9b2
[INFO] running `Command { std: "docker" "start" "-a" "97a61629cf3ec93539eb7fc6a8be5080e291cc0010373848c09568ec81e5b9b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling quantizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "97a61629cf3ec93539eb7fc6a8be5080e291cc0010373848c09568ec81e5b9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a61629cf3ec93539eb7fc6a8be5080e291cc0010373848c09568ec81e5b9b2", kill_on_drop: false }`
[INFO] [stdout] 97a61629cf3ec93539eb7fc6a8be5080e291cc0010373848c09568ec81e5b9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 96ca3adb3753803e083fb1781e90768c3bf4a49f9e111397518ead3b5f8a1ab5
[INFO] running `Command { std: "docker" "start" "-a" "96ca3adb3753803e083fb1781e90768c3bf4a49f9e111397518ead3b5f8a1ab5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quantizer-7874c6326b6c06d5)
[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" "96ca3adb3753803e083fb1781e90768c3bf4a49f9e111397518ead3b5f8a1ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ca3adb3753803e083fb1781e90768c3bf4a49f9e111397518ead3b5f8a1ab5", kill_on_drop: false }`
[INFO] [stdout] 96ca3adb3753803e083fb1781e90768c3bf4a49f9e111397518ead3b5f8a1ab5