[INFO] fetching crate virtual 0.0.0...
[INFO] testing virtual-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate virtual 0.0.0 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate virtual 0.0.0 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 virtual 0.0.0
[INFO] finished tweaking crates.io crate virtual 0.0.0
[INFO] tweaked toml for crates.io crate virtual 0.0.0 written to /workspace/builds/worker-54/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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d67c91ad7a2be8b763ed4ceed58173b3150c98987b7f10cb02655a8c1af10e52
[INFO] running `Command { std: "docker" "start" "-a" "d67c91ad7a2be8b763ed4ceed58173b3150c98987b7f10cb02655a8c1af10e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d67c91ad7a2be8b763ed4ceed58173b3150c98987b7f10cb02655a8c1af10e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67c91ad7a2be8b763ed4ceed58173b3150c98987b7f10cb02655a8c1af10e52", kill_on_drop: false }`
[INFO] [stdout] d67c91ad7a2be8b763ed4ceed58173b3150c98987b7f10cb02655a8c1af10e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0301a86e68bb7e1c43e2a593994b1c1aa0c94c9bef9c2fe97296e4a7438c7f
[INFO] running `Command { std: "docker" "start" "-a" "ac0301a86e68bb7e1c43e2a593994b1c1aa0c94c9bef9c2fe97296e4a7438c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "ac0301a86e68bb7e1c43e2a593994b1c1aa0c94c9bef9c2fe97296e4a7438c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0301a86e68bb7e1c43e2a593994b1c1aa0c94c9bef9c2fe97296e4a7438c7f", kill_on_drop: false }`
[INFO] [stdout] ac0301a86e68bb7e1c43e2a593994b1c1aa0c94c9bef9c2fe97296e4a7438c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0dd3c3cba3dbadfa1990e697f42b4ae370fc886acaa0649bd0fc1d28c7b02e6
[INFO] running `Command { std: "docker" "start" "-a" "e0dd3c3cba3dbadfa1990e697f42b4ae370fc886acaa0649bd0fc1d28c7b02e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling virtual v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/virtual-ade59bad6c8c8794)
[INFO] running `Command { std: "docker" "inspect" "e0dd3c3cba3dbadfa1990e697f42b4ae370fc886acaa0649bd0fc1d28c7b02e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dd3c3cba3dbadfa1990e697f42b4ae370fc886acaa0649bd0fc1d28c7b02e6", kill_on_drop: false }`
[INFO] [stdout] e0dd3c3cba3dbadfa1990e697f42b4ae370fc886acaa0649bd0fc1d28c7b02e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6aa6e8ac657468d91e5bdae52e61aba416b416c52db223c75b903cce3a16a1d
[INFO] running `Command { std: "docker" "start" "-a" "e6aa6e8ac657468d91e5bdae52e61aba416b416c52db223c75b903cce3a16a1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/virtual-ade59bad6c8c8794)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]    Doc-tests virtual
[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" "e6aa6e8ac657468d91e5bdae52e61aba416b416c52db223c75b903cce3a16a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6aa6e8ac657468d91e5bdae52e61aba416b416c52db223c75b903cce3a16a1d", kill_on_drop: false }`
[INFO] [stdout] e6aa6e8ac657468d91e5bdae52e61aba416b416c52db223c75b903cce3a16a1d