[INFO] fetching crate knube 0.2.0...
[INFO] testing knube-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate knube 0.2.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate knube 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 knube 0.2.0
[INFO] finished tweaking crates.io crate knube 0.2.0
[INFO] tweaked toml for crates.io crate knube 0.2.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate crates.io crate knube 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 1550cdf675f5a984b33a7ea166e0133a52b1c3a7cad0fd92d324f10303a4d315
[INFO] running `Command { std: "docker" "start" "-a" "1550cdf675f5a984b33a7ea166e0133a52b1c3a7cad0fd92d324f10303a4d315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1550cdf675f5a984b33a7ea166e0133a52b1c3a7cad0fd92d324f10303a4d315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1550cdf675f5a984b33a7ea166e0133a52b1c3a7cad0fd92d324f10303a4d315", kill_on_drop: false }`
[INFO] [stdout] 1550cdf675f5a984b33a7ea166e0133a52b1c3a7cad0fd92d324f10303a4d315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] e603662ddd95ad4fb68aabd017564d38a3169aeb96753e517a2ab7cdc81b607d
[INFO] running `Command { std: "docker" "start" "-a" "e603662ddd95ad4fb68aabd017564d38a3169aeb96753e517a2ab7cdc81b607d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "e603662ddd95ad4fb68aabd017564d38a3169aeb96753e517a2ab7cdc81b607d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e603662ddd95ad4fb68aabd017564d38a3169aeb96753e517a2ab7cdc81b607d", kill_on_drop: false }`
[INFO] [stdout] e603662ddd95ad4fb68aabd017564d38a3169aeb96753e517a2ab7cdc81b607d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 2165a1a8065bd78a350b655a90c24e0b5b3ab092a80d5ddc26cbb0f2b60fa720
[INFO] running `Command { std: "docker" "start" "-a" "2165a1a8065bd78a350b655a90c24e0b5b3ab092a80d5ddc26cbb0f2b60fa720", kill_on_drop: false }`
[INFO] [stderr]    Compiling knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "2165a1a8065bd78a350b655a90c24e0b5b3ab092a80d5ddc26cbb0f2b60fa720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2165a1a8065bd78a350b655a90c24e0b5b3ab092a80d5ddc26cbb0f2b60fa720", kill_on_drop: false }`
[INFO] [stdout] 2165a1a8065bd78a350b655a90c24e0b5b3ab092a80d5ddc26cbb0f2b60fa720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] df3b04fee9bd3e8c075798031e8a9ee06de612e4684e8d1914eabecf9283b0ca
[INFO] running `Command { std: "docker" "start" "-a" "df3b04fee9bd3e8c075798031e8a9ee06de612e4684e8d1914eabecf9283b0ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knube-05d807758e9d86b2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test exp::tests::exp_size ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knube-ddc9cc349c3f6fe9)
[INFO] [stdout] test exp::tests::exp_display_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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] [stderr]    Doc-tests knube
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/exp.rs - exp (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df3b04fee9bd3e8c075798031e8a9ee06de612e4684e8d1914eabecf9283b0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3b04fee9bd3e8c075798031e8a9ee06de612e4684e8d1914eabecf9283b0ca", kill_on_drop: false }`
[INFO] [stdout] df3b04fee9bd3e8c075798031e8a9ee06de612e4684e8d1914eabecf9283b0ca