[INFO] fetching crate class 0.0.0...
[INFO] testing class-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate class 0.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate class 0.0.0
[INFO] finished tweaking crates.io crate class 0.0.0
[INFO] tweaked toml for crates.io crate class 0.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate class 0.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate class 0.0.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 227ece1141fef63ccd078a6b49cc57ca1e4b9a2d1fc3ba0c706ae8458b8f848f
[INFO] running `Command { std: "docker" "start" "-a" "227ece1141fef63ccd078a6b49cc57ca1e4b9a2d1fc3ba0c706ae8458b8f848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227ece1141fef63ccd078a6b49cc57ca1e4b9a2d1fc3ba0c706ae8458b8f848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227ece1141fef63ccd078a6b49cc57ca1e4b9a2d1fc3ba0c706ae8458b8f848f", kill_on_drop: false }`
[INFO] [stdout] 227ece1141fef63ccd078a6b49cc57ca1e4b9a2d1fc3ba0c706ae8458b8f848f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e5edad584fc034b02a3fc268e7e5c00cf674ddf5ead6e5ef35a6e9d69dcc5c
[INFO] running `Command { std: "docker" "start" "-a" "52e5edad584fc034b02a3fc268e7e5c00cf674ddf5ead6e5ef35a6e9d69dcc5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling class v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "52e5edad584fc034b02a3fc268e7e5c00cf674ddf5ead6e5ef35a6e9d69dcc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e5edad584fc034b02a3fc268e7e5c00cf674ddf5ead6e5ef35a6e9d69dcc5c", kill_on_drop: false }`
[INFO] [stdout] 52e5edad584fc034b02a3fc268e7e5c00cf674ddf5ead6e5ef35a6e9d69dcc5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4d3401823ad20d51a7447e65c7352bb5b6e6bde847dee8868a9d66a34f5575e
[INFO] running `Command { std: "docker" "start" "-a" "c4d3401823ad20d51a7447e65c7352bb5b6e6bde847dee8868a9d66a34f5575e", kill_on_drop: false }`
[INFO] [stderr]    Compiling class v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c4d3401823ad20d51a7447e65c7352bb5b6e6bde847dee8868a9d66a34f5575e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d3401823ad20d51a7447e65c7352bb5b6e6bde847dee8868a9d66a34f5575e", kill_on_drop: false }`
[INFO] [stdout] c4d3401823ad20d51a7447e65c7352bb5b6e6bde847dee8868a9d66a34f5575e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b8c57aef3ff03f32093e71d687ebf239bc234ccd433f7e8cf8386b4afc8d96b
[INFO] running `Command { std: "docker" "start" "-a" "4b8c57aef3ff03f32093e71d687ebf239bc234ccd433f7e8cf8386b4afc8d96b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/class-c179d07e1b3dd103)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests class
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] running `Command { std: "docker" "inspect" "4b8c57aef3ff03f32093e71d687ebf239bc234ccd433f7e8cf8386b4afc8d96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8c57aef3ff03f32093e71d687ebf239bc234ccd433f7e8cf8386b4afc8d96b", kill_on_drop: false }`
[INFO] [stdout] 4b8c57aef3ff03f32093e71d687ebf239bc234ccd433f7e8cf8386b4afc8d96b