[INFO] fetching crate unitval 0.2.0...
[INFO] testing unitval-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate unitval 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unitval 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unitval 0.2.0
[INFO] finished tweaking crates.io crate unitval 0.2.0
[INFO] tweaked toml for crates.io crate unitval 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate unitval 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded unitval-derive v0.1.2
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c89753e24ddf7f22d7feec8895913721b30c70e9d5c22c556146c5fade6e247
[INFO] running `Command { std: "docker" "start" "-a" "7c89753e24ddf7f22d7feec8895913721b30c70e9d5c22c556146c5fade6e247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c89753e24ddf7f22d7feec8895913721b30c70e9d5c22c556146c5fade6e247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c89753e24ddf7f22d7feec8895913721b30c70e9d5c22c556146c5fade6e247", kill_on_drop: false }`
[INFO] [stdout] 7c89753e24ddf7f22d7feec8895913721b30c70e9d5c22c556146c5fade6e247
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfe890ab1822785b596d4646e1f71db7cb41d4cf5209912d89603498948b1752
[INFO] running `Command { std: "docker" "start" "-a" "dfe890ab1822785b596d4646e1f71db7cb41d4cf5209912d89603498948b1752", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling unitval-derive v0.1.2
[INFO] [stderr]    Compiling unitval v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "dfe890ab1822785b596d4646e1f71db7cb41d4cf5209912d89603498948b1752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe890ab1822785b596d4646e1f71db7cb41d4cf5209912d89603498948b1752", kill_on_drop: false }`
[INFO] [stdout] dfe890ab1822785b596d4646e1f71db7cb41d4cf5209912d89603498948b1752
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30beff0bf2b353df8ee035cf0c6153eab05c8c3ca2bdd4dc3fd7bcf5cf97a16d
[INFO] running `Command { std: "docker" "start" "-a" "30beff0bf2b353df8ee035cf0c6153eab05c8c3ca2bdd4dc3fd7bcf5cf97a16d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unitval v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "30beff0bf2b353df8ee035cf0c6153eab05c8c3ca2bdd4dc3fd7bcf5cf97a16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30beff0bf2b353df8ee035cf0c6153eab05c8c3ca2bdd4dc3fd7bcf5cf97a16d", kill_on_drop: false }`
[INFO] [stdout] 30beff0bf2b353df8ee035cf0c6153eab05c8c3ca2bdd4dc3fd7bcf5cf97a16d
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9622fd6398271d04986ac68f48559757a6cb5c05db73c33e15569d5d8d4ca7c
[INFO] running `Command { std: "docker" "start" "-a" "c9622fd6398271d04986ac68f48559757a6cb5c05db73c33e15569d5d8d4ca7c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unitval-97ad9138fdbb7b62)
[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 unitval
[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" "c9622fd6398271d04986ac68f48559757a6cb5c05db73c33e15569d5d8d4ca7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9622fd6398271d04986ac68f48559757a6cb5c05db73c33e15569d5d8d4ca7c", kill_on_drop: false }`
[INFO] [stdout] c9622fd6398271d04986ac68f48559757a6cb5c05db73c33e15569d5d8d4ca7c