[INFO] fetching crate vemigrate 0.3.1...
[INFO] testing vemigrate-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vemigrate 0.3.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate vemigrate 0.3.1 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 crates.io crate vemigrate 0.3.1
[INFO] finished tweaking crates.io crate vemigrate 0.3.1
[INFO] tweaked toml for crates.io crate vemigrate 0.3.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 754880bc1058f99c5f0e7a27c4ad0c0f7e4f4990b91107c107c8c8192f72c93d
[INFO] running `Command { std: "docker" "start" "-a" "754880bc1058f99c5f0e7a27c4ad0c0f7e4f4990b91107c107c8c8192f72c93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "754880bc1058f99c5f0e7a27c4ad0c0f7e4f4990b91107c107c8c8192f72c93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754880bc1058f99c5f0e7a27c4ad0c0f7e4f4990b91107c107c8c8192f72c93d", kill_on_drop: false }`
[INFO] [stdout] 754880bc1058f99c5f0e7a27c4ad0c0f7e4f4990b91107c107c8c8192f72c93d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 6bccd761fd64a398355e07b3b04d30cd8266b4f92ebbc880adae8f3c49500097
[INFO] running `Command { std: "docker" "start" "-a" "6bccd761fd64a398355e07b3b04d30cd8266b4f92ebbc880adae8f3c49500097", kill_on_drop: false }`
[INFO] [stderr]    Compiling vemigrate v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "6bccd761fd64a398355e07b3b04d30cd8266b4f92ebbc880adae8f3c49500097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bccd761fd64a398355e07b3b04d30cd8266b4f92ebbc880adae8f3c49500097", kill_on_drop: false }`
[INFO] [stdout] 6bccd761fd64a398355e07b3b04d30cd8266b4f92ebbc880adae8f3c49500097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 82fad114fc3e34e1c341913873ed08087b911543a1c7b1ca96810e145ea6540a
[INFO] running `Command { std: "docker" "start" "-a" "82fad114fc3e34e1c341913873ed08087b911543a1c7b1ca96810e145ea6540a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vemigrate v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "82fad114fc3e34e1c341913873ed08087b911543a1c7b1ca96810e145ea6540a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fad114fc3e34e1c341913873ed08087b911543a1c7b1ca96810e145ea6540a", kill_on_drop: false }`
[INFO] [stdout] 82fad114fc3e34e1c341913873ed08087b911543a1c7b1ca96810e145ea6540a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] ead81e70fce7a1eb87d5beadc26b37591bcf7a316ad23f921b59d51dbe229a7b
[INFO] running `Command { std: "docker" "start" "-a" "ead81e70fce7a1eb87d5beadc26b37591bcf7a316ad23f921b59d51dbe229a7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vemigrate-f13e071e069e8346)
[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] [stderr]    Doc-tests vemigrate
[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" "ead81e70fce7a1eb87d5beadc26b37591bcf7a316ad23f921b59d51dbe229a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead81e70fce7a1eb87d5beadc26b37591bcf7a316ad23f921b59d51dbe229a7b", kill_on_drop: false }`
[INFO] [stdout] ead81e70fce7a1eb87d5beadc26b37591bcf7a316ad23f921b59d51dbe229a7b