[INFO] fetching crate knube 0.2.0...
[INFO] testing knube-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate knube 0.2.0 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate knube 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate knube 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66b8837f04264dcf805f6f2888281820e1e90f96c5be83ffd7f1340fad729e42
[INFO] running `Command { std: "docker" "start" "-a" "66b8837f04264dcf805f6f2888281820e1e90f96c5be83ffd7f1340fad729e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b8837f04264dcf805f6f2888281820e1e90f96c5be83ffd7f1340fad729e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b8837f04264dcf805f6f2888281820e1e90f96c5be83ffd7f1340fad729e42", kill_on_drop: false }`
[INFO] [stdout] 66b8837f04264dcf805f6f2888281820e1e90f96c5be83ffd7f1340fad729e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba58692073a497ab1cf6556e823dfc774b5ca4cdb81db7ac99310dfa72c6d465
[INFO] running `Command { std: "docker" "start" "-a" "ba58692073a497ab1cf6556e823dfc774b5ca4cdb81db7ac99310dfa72c6d465", kill_on_drop: false }`
[INFO] [stderr]    Compiling knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "ba58692073a497ab1cf6556e823dfc774b5ca4cdb81db7ac99310dfa72c6d465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba58692073a497ab1cf6556e823dfc774b5ca4cdb81db7ac99310dfa72c6d465", kill_on_drop: false }`
[INFO] [stdout] ba58692073a497ab1cf6556e823dfc774b5ca4cdb81db7ac99310dfa72c6d465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e6546a4ae2f1399ff2734ae1d63f75be60a8c52617c4c88730303edd1fd0e82
[INFO] running `Command { std: "docker" "start" "-a" "5e6546a4ae2f1399ff2734ae1d63f75be60a8c52617c4c88730303edd1fd0e82", kill_on_drop: false }`
[INFO] [stderr]    Compiling knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5e6546a4ae2f1399ff2734ae1d63f75be60a8c52617c4c88730303edd1fd0e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6546a4ae2f1399ff2734ae1d63f75be60a8c52617c4c88730303edd1fd0e82", kill_on_drop: false }`
[INFO] [stdout] 5e6546a4ae2f1399ff2734ae1d63f75be60a8c52617c4c88730303edd1fd0e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 840a4e4026c8e2e77e66494d8097a51f087eaccba82f1c1e3e73be56aff872b2
[INFO] running `Command { std: "docker" "start" "-a" "840a4e4026c8e2e77e66494d8097a51f087eaccba82f1c1e3e73be56aff872b2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/knube-23c893abcd0afc11)
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/knube-081239e9105d3abc)
[INFO] [stdout] test exp::tests::exp_display_format ... ok
[INFO] [stderr]    Doc-tests knube
[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] [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] [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 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "840a4e4026c8e2e77e66494d8097a51f087eaccba82f1c1e3e73be56aff872b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840a4e4026c8e2e77e66494d8097a51f087eaccba82f1c1e3e73be56aff872b2", kill_on_drop: false }`
[INFO] [stdout] 840a4e4026c8e2e77e66494d8097a51f087eaccba82f1c1e3e73be56aff872b2