[INFO] fetching crate unlevel 0.0.0...
[INFO] testing unlevel-0.0.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate unlevel 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unlevel 0.0.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unlevel 0.0.0
[INFO] finished tweaking crates.io crate unlevel 0.0.0
[INFO] tweaked toml for crates.io crate unlevel 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bc0619156cebdb4c02ab46459dfd5e903e1b305c5c4e7d34634c706e98aec72
[INFO] running `Command { std: "docker" "start" "-a" "3bc0619156cebdb4c02ab46459dfd5e903e1b305c5c4e7d34634c706e98aec72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc0619156cebdb4c02ab46459dfd5e903e1b305c5c4e7d34634c706e98aec72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc0619156cebdb4c02ab46459dfd5e903e1b305c5c4e7d34634c706e98aec72", kill_on_drop: false }`
[INFO] [stdout] 3bc0619156cebdb4c02ab46459dfd5e903e1b305c5c4e7d34634c706e98aec72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c94a86f78ff5e9d04c4f92851ca70d84195d6c26430cf418579e266f22f525
[INFO] running `Command { std: "docker" "start" "-a" "89c94a86f78ff5e9d04c4f92851ca70d84195d6c26430cf418579e266f22f525", kill_on_drop: false }`
[INFO] [stderr]    Compiling unlevel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "89c94a86f78ff5e9d04c4f92851ca70d84195d6c26430cf418579e266f22f525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c94a86f78ff5e9d04c4f92851ca70d84195d6c26430cf418579e266f22f525", kill_on_drop: false }`
[INFO] [stdout] 89c94a86f78ff5e9d04c4f92851ca70d84195d6c26430cf418579e266f22f525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787aa1843e98c60e094aaf2579a273716e7bba372cc3751aa2f9da6f94f08abc
[INFO] running `Command { std: "docker" "start" "-a" "787aa1843e98c60e094aaf2579a273716e7bba372cc3751aa2f9da6f94f08abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unlevel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "787aa1843e98c60e094aaf2579a273716e7bba372cc3751aa2f9da6f94f08abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787aa1843e98c60e094aaf2579a273716e7bba372cc3751aa2f9da6f94f08abc", kill_on_drop: false }`
[INFO] [stdout] 787aa1843e98c60e094aaf2579a273716e7bba372cc3751aa2f9da6f94f08abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc08a0f0932858939877569624abeea5ee7ef4a0b197f5fd28d841cd66468cb7
[INFO] running `Command { std: "docker" "start" "-a" "dc08a0f0932858939877569624abeea5ee7ef4a0b197f5fd28d841cd66468cb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unlevel-28f43bd094192203)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unlevel
[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" "dc08a0f0932858939877569624abeea5ee7ef4a0b197f5fd28d841cd66468cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc08a0f0932858939877569624abeea5ee7ef4a0b197f5fd28d841cd66468cb7", kill_on_drop: false }`
[INFO] [stdout] dc08a0f0932858939877569624abeea5ee7ef4a0b197f5fd28d841cd66468cb7