[INFO] fetching crate modification 4.0.0...
[INFO] testing modification-4.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate modification 4.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate modification 4.0.0
[INFO] finished tweaking crates.io crate modification 4.0.0
[INFO] tweaked toml for crates.io crate modification 4.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modification 4.0.0 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 modification 4.0.0 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] 91b0df8ee4790e2b2edc4952086b90c636db56eaddb887a3a04db1a7b2a85e05
[INFO] running `Command { std: "docker" "start" "-a" "91b0df8ee4790e2b2edc4952086b90c636db56eaddb887a3a04db1a7b2a85e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91b0df8ee4790e2b2edc4952086b90c636db56eaddb887a3a04db1a7b2a85e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b0df8ee4790e2b2edc4952086b90c636db56eaddb887a3a04db1a7b2a85e05", kill_on_drop: false }`
[INFO] [stdout] 91b0df8ee4790e2b2edc4952086b90c636db56eaddb887a3a04db1a7b2a85e05
[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] e0e6e1a8584d35f18e96d68eb2ca92c43b39836d3ba38eb326248585786aa748
[INFO] running `Command { std: "docker" "start" "-a" "e0e6e1a8584d35f18e96d68eb2ca92c43b39836d3ba38eb326248585786aa748", kill_on_drop: false }`
[INFO] [stderr]    Compiling modification v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "e0e6e1a8584d35f18e96d68eb2ca92c43b39836d3ba38eb326248585786aa748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e6e1a8584d35f18e96d68eb2ca92c43b39836d3ba38eb326248585786aa748", kill_on_drop: false }`
[INFO] [stdout] e0e6e1a8584d35f18e96d68eb2ca92c43b39836d3ba38eb326248585786aa748
[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] c28ff3c7777ea6a8dfcee03088d908385b99e0d73b9d4c7e8536a01d7b590caa
[INFO] running `Command { std: "docker" "start" "-a" "c28ff3c7777ea6a8dfcee03088d908385b99e0d73b9d4c7e8536a01d7b590caa", kill_on_drop: false }`
[INFO] [stderr]    Compiling modification v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "c28ff3c7777ea6a8dfcee03088d908385b99e0d73b9d4c7e8536a01d7b590caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28ff3c7777ea6a8dfcee03088d908385b99e0d73b9d4c7e8536a01d7b590caa", kill_on_drop: false }`
[INFO] [stdout] c28ff3c7777ea6a8dfcee03088d908385b99e0d73b9d4c7e8536a01d7b590caa
[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] 05243e78218948de4e3b9b31b064288cee697d6a1a7ae8b3d9f33bbf10381375
[INFO] running `Command { std: "docker" "start" "-a" "05243e78218948de4e3b9b31b064288cee697d6a1a7ae8b3d9f33bbf10381375", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/modification-ce4bc2c315af7105)
[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" "05243e78218948de4e3b9b31b064288cee697d6a1a7ae8b3d9f33bbf10381375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05243e78218948de4e3b9b31b064288cee697d6a1a7ae8b3d9f33bbf10381375", kill_on_drop: false }`
[INFO] [stdout] 05243e78218948de4e3b9b31b064288cee697d6a1a7ae8b3d9f33bbf10381375