[INFO] fetching crate carol-test 2.4.0...
[INFO] testing carol-test-2.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate carol-test 2.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate carol-test 2.4.0
[INFO] finished tweaking crates.io crate carol-test 2.4.0
[INFO] tweaked toml for crates.io crate carol-test 2.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate carol-test 2.4.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate carol-test 2.4.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a790dcca3c71b301f1c0689333dcd3ab0546f25884f51c9cd95ebb6203b78c6f
[INFO] running `Command { std: "docker" "start" "-a" "a790dcca3c71b301f1c0689333dcd3ab0546f25884f51c9cd95ebb6203b78c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a790dcca3c71b301f1c0689333dcd3ab0546f25884f51c9cd95ebb6203b78c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a790dcca3c71b301f1c0689333dcd3ab0546f25884f51c9cd95ebb6203b78c6f", kill_on_drop: false }`
[INFO] [stdout] a790dcca3c71b301f1c0689333dcd3ab0546f25884f51c9cd95ebb6203b78c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5199ba97495cd71e3a03a178e8204304693f446c255204ad2527d0405bd8b3f9
[INFO] running `Command { std: "docker" "start" "-a" "5199ba97495cd71e3a03a178e8204304693f446c255204ad2527d0405bd8b3f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling carol-test v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5199ba97495cd71e3a03a178e8204304693f446c255204ad2527d0405bd8b3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5199ba97495cd71e3a03a178e8204304693f446c255204ad2527d0405bd8b3f9", kill_on_drop: false }`
[INFO] [stdout] 5199ba97495cd71e3a03a178e8204304693f446c255204ad2527d0405bd8b3f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb2f11df81c1b95a1aa4caf342ffb23563b8698312f95ff14da7d94f06ea369
[INFO] running `Command { std: "docker" "start" "-a" "9fb2f11df81c1b95a1aa4caf342ffb23563b8698312f95ff14da7d94f06ea369", kill_on_drop: false }`
[INFO] [stderr]    Compiling carol-test v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "9fb2f11df81c1b95a1aa4caf342ffb23563b8698312f95ff14da7d94f06ea369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb2f11df81c1b95a1aa4caf342ffb23563b8698312f95ff14da7d94f06ea369", kill_on_drop: false }`
[INFO] [stdout] 9fb2f11df81c1b95a1aa4caf342ffb23563b8698312f95ff14da7d94f06ea369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38e04199fad11e3175294d5aede24ea00d76c8728cbca61f1d3648c8b2625ff7
[INFO] running `Command { std: "docker" "start" "-a" "38e04199fad11e3175294d5aede24ea00d76c8728cbca61f1d3648c8b2625ff7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/carol_test-95f6c5b4880bad74)
[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" "38e04199fad11e3175294d5aede24ea00d76c8728cbca61f1d3648c8b2625ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e04199fad11e3175294d5aede24ea00d76c8728cbca61f1d3648c8b2625ff7", kill_on_drop: false }`
[INFO] [stdout] 38e04199fad11e3175294d5aede24ea00d76c8728cbca61f1d3648c8b2625ff7