[INFO] fetching crate is 0.6.0...
[INFO] testing is-0.6.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate is 0.6.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate is 0.6.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate is 0.6.0
[INFO] finished tweaking crates.io crate is 0.6.0
[INFO] tweaked toml for crates.io crate is 0.6.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24cbac17007f476afc3bb67995a3bdc00ca5272726e707ef27e3bd30f431a1d3
[INFO] running `Command { std: "docker" "start" "-a" "24cbac17007f476afc3bb67995a3bdc00ca5272726e707ef27e3bd30f431a1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24cbac17007f476afc3bb67995a3bdc00ca5272726e707ef27e3bd30f431a1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cbac17007f476afc3bb67995a3bdc00ca5272726e707ef27e3bd30f431a1d3", kill_on_drop: false }`
[INFO] [stdout] 24cbac17007f476afc3bb67995a3bdc00ca5272726e707ef27e3bd30f431a1d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8679bbd5f510e0f15ef281cfd62814d4d858c63012a0b7114aba7a75a172f5ba
[INFO] running `Command { std: "docker" "start" "-a" "8679bbd5f510e0f15ef281cfd62814d4d858c63012a0b7114aba7a75a172f5ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling is v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "8679bbd5f510e0f15ef281cfd62814d4d858c63012a0b7114aba7a75a172f5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8679bbd5f510e0f15ef281cfd62814d4d858c63012a0b7114aba7a75a172f5ba", kill_on_drop: false }`
[INFO] [stdout] 8679bbd5f510e0f15ef281cfd62814d4d858c63012a0b7114aba7a75a172f5ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03ea3043a6bc0edd08204a73b11c9e01b36dd9d77fffd12faedb2ee2abaaf8e4
[INFO] running `Command { std: "docker" "start" "-a" "03ea3043a6bc0edd08204a73b11c9e01b36dd9d77fffd12faedb2ee2abaaf8e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling is v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "03ea3043a6bc0edd08204a73b11c9e01b36dd9d77fffd12faedb2ee2abaaf8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ea3043a6bc0edd08204a73b11c9e01b36dd9d77fffd12faedb2ee2abaaf8e4", kill_on_drop: false }`
[INFO] [stdout] 03ea3043a6bc0edd08204a73b11c9e01b36dd9d77fffd12faedb2ee2abaaf8e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 741a3becf41705e96c0cad7b84363e177ebde4e896cc79012f7eb35ecc21e9ba
[INFO] running `Command { std: "docker" "start" "-a" "741a3becf41705e96c0cad7b84363e177ebde4e896cc79012f7eb35ecc21e9ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/is-f5bf81069138e049)
[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] [stderr]    Doc-tests is
[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" "741a3becf41705e96c0cad7b84363e177ebde4e896cc79012f7eb35ecc21e9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741a3becf41705e96c0cad7b84363e177ebde4e896cc79012f7eb35ecc21e9ba", kill_on_drop: false }`
[INFO] [stdout] 741a3becf41705e96c0cad7b84363e177ebde4e896cc79012f7eb35ecc21e9ba