[INFO] fetching crate mantis 0.0.1...
[INFO] testing mantis-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mantis 0.0.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate mantis 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mantis 0.0.1
[INFO] finished tweaking crates.io crate mantis 0.0.1
[INFO] tweaked toml for crates.io crate mantis 0.0.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate mantis 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c6eb5c8269293f6c03675e558079f314163e89c84160878c1d6cf8b2171c14d
[INFO] running `Command { std: "docker" "start" "-a" "5c6eb5c8269293f6c03675e558079f314163e89c84160878c1d6cf8b2171c14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c6eb5c8269293f6c03675e558079f314163e89c84160878c1d6cf8b2171c14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6eb5c8269293f6c03675e558079f314163e89c84160878c1d6cf8b2171c14d", kill_on_drop: false }`
[INFO] [stdout] 5c6eb5c8269293f6c03675e558079f314163e89c84160878c1d6cf8b2171c14d
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7f45bea3a15b8ceecbc9b6e7e37b6b002948fc202b4cfa11dcbb80b19a16faa
[INFO] running `Command { std: "docker" "start" "-a" "b7f45bea3a15b8ceecbc9b6e7e37b6b002948fc202b4cfa11dcbb80b19a16faa", kill_on_drop: false }`
[INFO] [stderr]    Compiling mantis v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "b7f45bea3a15b8ceecbc9b6e7e37b6b002948fc202b4cfa11dcbb80b19a16faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f45bea3a15b8ceecbc9b6e7e37b6b002948fc202b4cfa11dcbb80b19a16faa", kill_on_drop: false }`
[INFO] [stdout] b7f45bea3a15b8ceecbc9b6e7e37b6b002948fc202b4cfa11dcbb80b19a16faa
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2b6cc90a80622ccd6987837e471def302560e65bcdbf5f1511094c2377ea9b2
[INFO] running `Command { std: "docker" "start" "-a" "f2b6cc90a80622ccd6987837e471def302560e65bcdbf5f1511094c2377ea9b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mantis v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f2b6cc90a80622ccd6987837e471def302560e65bcdbf5f1511094c2377ea9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b6cc90a80622ccd6987837e471def302560e65bcdbf5f1511094c2377ea9b2", kill_on_drop: false }`
[INFO] [stdout] f2b6cc90a80622ccd6987837e471def302560e65bcdbf5f1511094c2377ea9b2
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ca498cf0681b4254e81e2e463aa4264926711179fe53696499a534017b0d43a
[INFO] running `Command { std: "docker" "start" "-a" "2ca498cf0681b4254e81e2e463aa4264926711179fe53696499a534017b0d43a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mantis-e51a6d4fff428c85)
[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" "2ca498cf0681b4254e81e2e463aa4264926711179fe53696499a534017b0d43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca498cf0681b4254e81e2e463aa4264926711179fe53696499a534017b0d43a", kill_on_drop: false }`
[INFO] [stdout] 2ca498cf0681b4254e81e2e463aa4264926711179fe53696499a534017b0d43a