[INFO] fetching crate rcv 0.1.0...
[INFO] testing rcv-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rcv 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rcv 0.1.0
[INFO] finished tweaking crates.io crate rcv 0.1.0
[INFO] tweaked toml for crates.io crate rcv 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcv 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ba2d3275924d579941ecbb2ce7a3bf6e8d14eec4c9c5a0bc8d80955bd948278a
[INFO] running `Command { std: "docker" "start" "-a" "ba2d3275924d579941ecbb2ce7a3bf6e8d14eec4c9c5a0bc8d80955bd948278a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2d3275924d579941ecbb2ce7a3bf6e8d14eec4c9c5a0bc8d80955bd948278a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2d3275924d579941ecbb2ce7a3bf6e8d14eec4c9c5a0bc8d80955bd948278a", kill_on_drop: false }`
[INFO] [stdout] ba2d3275924d579941ecbb2ce7a3bf6e8d14eec4c9c5a0bc8d80955bd948278a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fc81d43c1eb4287e6189d05e3e8e76a04c9018117257ebf83438fbf9a8661bdb
[INFO] running `Command { std: "docker" "start" "-a" "fc81d43c1eb4287e6189d05e3e8e76a04c9018117257ebf83438fbf9a8661bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "fc81d43c1eb4287e6189d05e3e8e76a04c9018117257ebf83438fbf9a8661bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc81d43c1eb4287e6189d05e3e8e76a04c9018117257ebf83438fbf9a8661bdb", kill_on_drop: false }`
[INFO] [stdout] fc81d43c1eb4287e6189d05e3e8e76a04c9018117257ebf83438fbf9a8661bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fb11f7115ccb3521b9131d26736bad2bd1f59ade50b41fff003d8e8331d74339
[INFO] running `Command { std: "docker" "start" "-a" "fb11f7115ccb3521b9131d26736bad2bd1f59ade50b41fff003d8e8331d74339", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "fb11f7115ccb3521b9131d26736bad2bd1f59ade50b41fff003d8e8331d74339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb11f7115ccb3521b9131d26736bad2bd1f59ade50b41fff003d8e8331d74339", kill_on_drop: false }`
[INFO] [stdout] fb11f7115ccb3521b9131d26736bad2bd1f59ade50b41fff003d8e8331d74339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b0e3bfba228734ddadc1b39c08c41f70c11ce9b01170b036432fb09f82fb662a
[INFO] running `Command { std: "docker" "start" "-a" "b0e3bfba228734ddadc1b39c08c41f70c11ce9b01170b036432fb09f82fb662a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcv-d9c2811038173b26)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rcv
[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" "b0e3bfba228734ddadc1b39c08c41f70c11ce9b01170b036432fb09f82fb662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e3bfba228734ddadc1b39c08c41f70c11ce9b01170b036432fb09f82fb662a", kill_on_drop: false }`
[INFO] [stdout] b0e3bfba228734ddadc1b39c08c41f70c11ce9b01170b036432fb09f82fb662a