[INFO] fetching crate concur_demo 0.1.0...
[INFO] testing concur_demo-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate concur_demo 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate concur_demo 0.1.0
[INFO] finished tweaking crates.io crate concur_demo 0.1.0
[INFO] tweaked toml for crates.io crate concur_demo 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate concur_demo 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate concur_demo 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ef8e88c6369f6d233beda696f1171f87ea7d4738519f599c2289fc6a91d6a18
[INFO] running `Command { std: "docker" "start" "-a" "9ef8e88c6369f6d233beda696f1171f87ea7d4738519f599c2289fc6a91d6a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ef8e88c6369f6d233beda696f1171f87ea7d4738519f599c2289fc6a91d6a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef8e88c6369f6d233beda696f1171f87ea7d4738519f599c2289fc6a91d6a18", kill_on_drop: false }`
[INFO] [stdout] 9ef8e88c6369f6d233beda696f1171f87ea7d4738519f599c2289fc6a91d6a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd9e7c8b64b987fb59785a1c9ab6c7565260c0ecb438060f6abd2db9295caafc
[INFO] running `Command { std: "docker" "start" "-a" "fd9e7c8b64b987fb59785a1c9ab6c7565260c0ecb438060f6abd2db9295caafc", kill_on_drop: false }`
[INFO] [stderr]    Compiling concur_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "fd9e7c8b64b987fb59785a1c9ab6c7565260c0ecb438060f6abd2db9295caafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9e7c8b64b987fb59785a1c9ab6c7565260c0ecb438060f6abd2db9295caafc", kill_on_drop: false }`
[INFO] [stdout] fd9e7c8b64b987fb59785a1c9ab6c7565260c0ecb438060f6abd2db9295caafc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ac87dab62899831ef724bbc7cf88d99ec35daa0d0f4fdee093d6e2ba200eeb
[INFO] running `Command { std: "docker" "start" "-a" "56ac87dab62899831ef724bbc7cf88d99ec35daa0d0f4fdee093d6e2ba200eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling concur_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "56ac87dab62899831ef724bbc7cf88d99ec35daa0d0f4fdee093d6e2ba200eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ac87dab62899831ef724bbc7cf88d99ec35daa0d0f4fdee093d6e2ba200eeb", kill_on_drop: false }`
[INFO] [stdout] 56ac87dab62899831ef724bbc7cf88d99ec35daa0d0f4fdee093d6e2ba200eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3b443ad6dc6458cd7eb266d5ef60d773dae4e3df9eb8e93e2ba27226818feb4
[INFO] running `Command { std: "docker" "start" "-a" "f3b443ad6dc6458cd7eb266d5ef60d773dae4e3df9eb8e93e2ba27226818feb4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concur_demo-a71d651893bda9ec)
[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" "f3b443ad6dc6458cd7eb266d5ef60d773dae4e3df9eb8e93e2ba27226818feb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b443ad6dc6458cd7eb266d5ef60d773dae4e3df9eb8e93e2ba27226818feb4", kill_on_drop: false }`
[INFO] [stdout] f3b443ad6dc6458cd7eb266d5ef60d773dae4e3df9eb8e93e2ba27226818feb4