[INFO] fetching crate snark 0.0.1...
[INFO] testing snark-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate snark 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate snark 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snark 0.0.1
[INFO] finished tweaking crates.io crate snark 0.0.1
[INFO] tweaked toml for crates.io crate snark 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 713f99218fdf28595c9e019916b4e83eb7ff4b6ec73957f33537a8758f746d97
[INFO] running `Command { std: "docker" "start" "-a" "713f99218fdf28595c9e019916b4e83eb7ff4b6ec73957f33537a8758f746d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "713f99218fdf28595c9e019916b4e83eb7ff4b6ec73957f33537a8758f746d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713f99218fdf28595c9e019916b4e83eb7ff4b6ec73957f33537a8758f746d97", kill_on_drop: false }`
[INFO] [stdout] 713f99218fdf28595c9e019916b4e83eb7ff4b6ec73957f33537a8758f746d97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bea2f4cb99eff7f270f128a66f2c1966be5883dac302c363752215e741314ee
[INFO] running `Command { std: "docker" "start" "-a" "6bea2f4cb99eff7f270f128a66f2c1966be5883dac302c363752215e741314ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling snark v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "6bea2f4cb99eff7f270f128a66f2c1966be5883dac302c363752215e741314ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bea2f4cb99eff7f270f128a66f2c1966be5883dac302c363752215e741314ee", kill_on_drop: false }`
[INFO] [stdout] 6bea2f4cb99eff7f270f128a66f2c1966be5883dac302c363752215e741314ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b0ec3ca3398fe68354fb3580088dcba429024f45d75f576d2bc3bcc0bb86c1a
[INFO] running `Command { std: "docker" "start" "-a" "5b0ec3ca3398fe68354fb3580088dcba429024f45d75f576d2bc3bcc0bb86c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling snark v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/snark-05f8ad9864c96b87)
[INFO] running `Command { std: "docker" "inspect" "5b0ec3ca3398fe68354fb3580088dcba429024f45d75f576d2bc3bcc0bb86c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0ec3ca3398fe68354fb3580088dcba429024f45d75f576d2bc3bcc0bb86c1a", kill_on_drop: false }`
[INFO] [stdout] 5b0ec3ca3398fe68354fb3580088dcba429024f45d75f576d2bc3bcc0bb86c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7eba37e6eb1f3168ba0804e55055b90e59ccd38484612a8e475cf1c7b60d8beb
[INFO] running `Command { std: "docker" "start" "-a" "7eba37e6eb1f3168ba0804e55055b90e59ccd38484612a8e475cf1c7b60d8beb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snark-05f8ad9864c96b87)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests snark
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "7eba37e6eb1f3168ba0804e55055b90e59ccd38484612a8e475cf1c7b60d8beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eba37e6eb1f3168ba0804e55055b90e59ccd38484612a8e475cf1c7b60d8beb", kill_on_drop: false }`
[INFO] [stdout] 7eba37e6eb1f3168ba0804e55055b90e59ccd38484612a8e475cf1c7b60d8beb