[INFO] fetching crate yak 0.1.0...
[INFO] testing yak-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate yak 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yak 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yak 0.1.0
[INFO] finished tweaking crates.io crate yak 0.1.0
[INFO] tweaked toml for crates.io crate yak 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate yak 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5640d588f1849ef881d35aa884693aafbf40aa65af860c3608a9f4e3e9960767
[INFO] running `Command { std: "docker" "start" "-a" "5640d588f1849ef881d35aa884693aafbf40aa65af860c3608a9f4e3e9960767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5640d588f1849ef881d35aa884693aafbf40aa65af860c3608a9f4e3e9960767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5640d588f1849ef881d35aa884693aafbf40aa65af860c3608a9f4e3e9960767", kill_on_drop: false }`
[INFO] [stdout] 5640d588f1849ef881d35aa884693aafbf40aa65af860c3608a9f4e3e9960767
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649c1c6136a42cc2da59a2c2ab827d76616ba0f2f06c52cea8a3b4f82cac6ae7
[INFO] running `Command { std: "docker" "start" "-a" "649c1c6136a42cc2da59a2c2ab827d76616ba0f2f06c52cea8a3b4f82cac6ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling yak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "649c1c6136a42cc2da59a2c2ab827d76616ba0f2f06c52cea8a3b4f82cac6ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649c1c6136a42cc2da59a2c2ab827d76616ba0f2f06c52cea8a3b4f82cac6ae7", kill_on_drop: false }`
[INFO] [stdout] 649c1c6136a42cc2da59a2c2ab827d76616ba0f2f06c52cea8a3b4f82cac6ae7
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 123e46d7ab31c9a68e2d79c6bdb9e19bf4bdf15cba2bf2dfc40344ec031101ee
[INFO] running `Command { std: "docker" "start" "-a" "123e46d7ab31c9a68e2d79c6bdb9e19bf4bdf15cba2bf2dfc40344ec031101ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling yak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "123e46d7ab31c9a68e2d79c6bdb9e19bf4bdf15cba2bf2dfc40344ec031101ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123e46d7ab31c9a68e2d79c6bdb9e19bf4bdf15cba2bf2dfc40344ec031101ee", kill_on_drop: false }`
[INFO] [stdout] 123e46d7ab31c9a68e2d79c6bdb9e19bf4bdf15cba2bf2dfc40344ec031101ee
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6829c21415abd839d9f1e75df1b3c87776ae1407f71a18e73866697ce33d059a
[INFO] running `Command { std: "docker" "start" "-a" "6829c21415abd839d9f1e75df1b3c87776ae1407f71a18e73866697ce33d059a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yak-7f9124a69c41421e)
[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" "6829c21415abd839d9f1e75df1b3c87776ae1407f71a18e73866697ce33d059a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6829c21415abd839d9f1e75df1b3c87776ae1407f71a18e73866697ce33d059a", kill_on_drop: false }`
[INFO] [stdout] 6829c21415abd839d9f1e75df1b3c87776ae1407f71a18e73866697ce33d059a