[INFO] fetching crate rufference 0.1.0...
[INFO] testing rufference-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rufference 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rufference 0.1.0
[INFO] finished tweaking crates.io crate rufference 0.1.0
[INFO] tweaked toml for crates.io crate rufference 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rufference 0.1.0 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 rufference 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 95b8767d8f79360a947d91c6d1cf70321e5c9aaa127ce6efd5558a86196329f4
[INFO] running `Command { std: "docker" "start" "-a" "95b8767d8f79360a947d91c6d1cf70321e5c9aaa127ce6efd5558a86196329f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b8767d8f79360a947d91c6d1cf70321e5c9aaa127ce6efd5558a86196329f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b8767d8f79360a947d91c6d1cf70321e5c9aaa127ce6efd5558a86196329f4", kill_on_drop: false }`
[INFO] [stdout] 95b8767d8f79360a947d91c6d1cf70321e5c9aaa127ce6efd5558a86196329f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d3379f0c032ec2c28538cae2226a0f9d48dd14604e62a26b1404ced21e668cc3
[INFO] running `Command { std: "docker" "start" "-a" "d3379f0c032ec2c28538cae2226a0f9d48dd14604e62a26b1404ced21e668cc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rufference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "d3379f0c032ec2c28538cae2226a0f9d48dd14604e62a26b1404ced21e668cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3379f0c032ec2c28538cae2226a0f9d48dd14604e62a26b1404ced21e668cc3", kill_on_drop: false }`
[INFO] [stdout] d3379f0c032ec2c28538cae2226a0f9d48dd14604e62a26b1404ced21e668cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5a3c4a6c6acb9b0ece53ce3fcea29db3f09a02265856e2a28dc206e954d54892
[INFO] running `Command { std: "docker" "start" "-a" "5a3c4a6c6acb9b0ece53ce3fcea29db3f09a02265856e2a28dc206e954d54892", kill_on_drop: false }`
[INFO] [stderr]    Compiling rufference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "5a3c4a6c6acb9b0ece53ce3fcea29db3f09a02265856e2a28dc206e954d54892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3c4a6c6acb9b0ece53ce3fcea29db3f09a02265856e2a28dc206e954d54892", kill_on_drop: false }`
[INFO] [stdout] 5a3c4a6c6acb9b0ece53ce3fcea29db3f09a02265856e2a28dc206e954d54892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bf557cf3a4dd1965fd8359ffe508016f53da6dca5235e44292ca726cc65d7773
[INFO] running `Command { std: "docker" "start" "-a" "bf557cf3a4dd1965fd8359ffe508016f53da6dca5235e44292ca726cc65d7773", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rufference-3a7535d7fb58a17a)
[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" "bf557cf3a4dd1965fd8359ffe508016f53da6dca5235e44292ca726cc65d7773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf557cf3a4dd1965fd8359ffe508016f53da6dca5235e44292ca726cc65d7773", kill_on_drop: false }`
[INFO] [stdout] bf557cf3a4dd1965fd8359ffe508016f53da6dca5235e44292ca726cc65d7773