[INFO] cloning repository https://github.com/yt-client/yt-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yt-client/yt-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyt-client%2Fyt-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyt-client%2Fyt-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42eee1802003d75bb08342db3b9827555c120c11
[INFO] testing yt-client/yt-client against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyt-client%2Fyt-client" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yt-client/yt-client on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yt-client/yt-client
[INFO] finished tweaking git repo https://github.com/yt-client/yt-client
[INFO] tweaked toml for git repo https://github.com/yt-client/yt-client written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yt-client/yt-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8027b71716d66af5b575aebfa7dcd4348597447ec838f379ef2a4b0b16b91be3
[INFO] running `Command { std: "docker" "start" "-a" "8027b71716d66af5b575aebfa7dcd4348597447ec838f379ef2a4b0b16b91be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8027b71716d66af5b575aebfa7dcd4348597447ec838f379ef2a4b0b16b91be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8027b71716d66af5b575aebfa7dcd4348597447ec838f379ef2a4b0b16b91be3", kill_on_drop: false }`
[INFO] [stdout] 8027b71716d66af5b575aebfa7dcd4348597447ec838f379ef2a4b0b16b91be3
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d78c077795677ca6342364b5ec6c2773372af47232505ee7ccfb4afbcfc297
[INFO] running `Command { std: "docker" "start" "-a" "f2d78c077795677ca6342364b5ec6c2773372af47232505ee7ccfb4afbcfc297", kill_on_drop: false }`
[INFO] [stderr]    Compiling yt-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "f2d78c077795677ca6342364b5ec6c2773372af47232505ee7ccfb4afbcfc297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d78c077795677ca6342364b5ec6c2773372af47232505ee7ccfb4afbcfc297", kill_on_drop: false }`
[INFO] [stdout] f2d78c077795677ca6342364b5ec6c2773372af47232505ee7ccfb4afbcfc297
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673844aa02afd394ede094b8c9eaefcc1c6fd654aa1c26aa8abd25ef1d849b68
[INFO] running `Command { std: "docker" "start" "-a" "673844aa02afd394ede094b8c9eaefcc1c6fd654aa1c26aa8abd25ef1d849b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling yt-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "673844aa02afd394ede094b8c9eaefcc1c6fd654aa1c26aa8abd25ef1d849b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673844aa02afd394ede094b8c9eaefcc1c6fd654aa1c26aa8abd25ef1d849b68", kill_on_drop: false }`
[INFO] [stdout] 673844aa02afd394ede094b8c9eaefcc1c6fd654aa1c26aa8abd25ef1d849b68
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a3242d15ca2d10173db79f9f0f93e2f36ef86fa3646f8adb33d87182a18d93d
[INFO] running `Command { std: "docker" "start" "-a" "0a3242d15ca2d10173db79f9f0f93e2f36ef86fa3646f8adb33d87182a18d93d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yt_client-8e5daa2e931a31b5)
[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" "0a3242d15ca2d10173db79f9f0f93e2f36ef86fa3646f8adb33d87182a18d93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3242d15ca2d10173db79f9f0f93e2f36ef86fa3646f8adb33d87182a18d93d", kill_on_drop: false }`
[INFO] [stdout] 0a3242d15ca2d10173db79f9f0f93e2f36ef86fa3646f8adb33d87182a18d93d