[INFO] fetching crate knube 0.2.0...
[INFO] testing knube-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate knube 0.2.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate knube 0.2.0 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 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-95/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 85b11a8726c3ac841bf8e0c63356ba5a9ceb21feb72cace92cfa6df2cbe00321
[INFO] running `Command { std: "docker" "start" "-a" "85b11a8726c3ac841bf8e0c63356ba5a9ceb21feb72cace92cfa6df2cbe00321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85b11a8726c3ac841bf8e0c63356ba5a9ceb21feb72cace92cfa6df2cbe00321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b11a8726c3ac841bf8e0c63356ba5a9ceb21feb72cace92cfa6df2cbe00321", kill_on_drop: false }`
[INFO] [stdout] 85b11a8726c3ac841bf8e0c63356ba5a9ceb21feb72cace92cfa6df2cbe00321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] d367bad3b5f25a6e9ed13e556a195a2da9c1170bc2ec339704f36aaf412f6a72
[INFO] running `Command { std: "docker" "start" "-a" "d367bad3b5f25a6e9ed13e556a195a2da9c1170bc2ec339704f36aaf412f6a72", 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 1.42s
[INFO] running `Command { std: "docker" "inspect" "d367bad3b5f25a6e9ed13e556a195a2da9c1170bc2ec339704f36aaf412f6a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d367bad3b5f25a6e9ed13e556a195a2da9c1170bc2ec339704f36aaf412f6a72", kill_on_drop: false }`
[INFO] [stdout] d367bad3b5f25a6e9ed13e556a195a2da9c1170bc2ec339704f36aaf412f6a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 9aa32c41940f19212766a32d6642ca3ef2fcccb6ea352d5bb4cb9c001892d9a3
[INFO] running `Command { std: "docker" "start" "-a" "9aa32c41940f19212766a32d6642ca3ef2fcccb6ea352d5bb4cb9c001892d9a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9aa32c41940f19212766a32d6642ca3ef2fcccb6ea352d5bb4cb9c001892d9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa32c41940f19212766a32d6642ca3ef2fcccb6ea352d5bb4cb9c001892d9a3", kill_on_drop: false }`
[INFO] [stdout] 9aa32c41940f19212766a32d6642ca3ef2fcccb6ea352d5bb4cb9c001892d9a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 3fa51787f2b13ed7adff9632e8ea4a813996988f877c35bb4e8ee4670af716bb
[INFO] running `Command { std: "docker" "start" "-a" "3fa51787f2b13ed7adff9632e8ea4a813996988f877c35bb4e8ee4670af716bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.97s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knube-b62ecef5a9e5f7a8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test exp::tests::exp_display_format ... ok
[INFO] [stdout] test exp::tests::exp_size ... 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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knube-2c7ba6aed3cf02ad)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests knube
[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] [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 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fa51787f2b13ed7adff9632e8ea4a813996988f877c35bb4e8ee4670af716bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa51787f2b13ed7adff9632e8ea4a813996988f877c35bb4e8ee4670af716bb", kill_on_drop: false }`
[INFO] [stdout] 3fa51787f2b13ed7adff9632e8ea4a813996988f877c35bb4e8ee4670af716bb