[INFO] fetching crate persimmon 0.1.0...
[INFO] testing persimmon-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate persimmon 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate persimmon 0.1.0
[INFO] finished tweaking crates.io crate persimmon 0.1.0
[INFO] tweaked toml for crates.io crate persimmon 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate persimmon 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate persimmon 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55195b17ca759ac626c889a53f980bfd5b231ce5953fcf6eccb66cf6dc9cb5f6
[INFO] running `Command { std: "docker" "start" "-a" "55195b17ca759ac626c889a53f980bfd5b231ce5953fcf6eccb66cf6dc9cb5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55195b17ca759ac626c889a53f980bfd5b231ce5953fcf6eccb66cf6dc9cb5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55195b17ca759ac626c889a53f980bfd5b231ce5953fcf6eccb66cf6dc9cb5f6", kill_on_drop: false }`
[INFO] [stdout] 55195b17ca759ac626c889a53f980bfd5b231ce5953fcf6eccb66cf6dc9cb5f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40b8c3c81c51f0ffb97308c8930eed0b42c79a98a2ff55f8c24558a9ed5aea28
[INFO] running `Command { std: "docker" "start" "-a" "40b8c3c81c51f0ffb97308c8930eed0b42c79a98a2ff55f8c24558a9ed5aea28", kill_on_drop: false }`
[INFO] [stderr]    Compiling persimmon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "40b8c3c81c51f0ffb97308c8930eed0b42c79a98a2ff55f8c24558a9ed5aea28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b8c3c81c51f0ffb97308c8930eed0b42c79a98a2ff55f8c24558a9ed5aea28", kill_on_drop: false }`
[INFO] [stdout] 40b8c3c81c51f0ffb97308c8930eed0b42c79a98a2ff55f8c24558a9ed5aea28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de026589ce819b5fcf17fb5c3e46fa7fdcd23f17c95e4e153163297bcc064d08
[INFO] running `Command { std: "docker" "start" "-a" "de026589ce819b5fcf17fb5c3e46fa7fdcd23f17c95e4e153163297bcc064d08", kill_on_drop: false }`
[INFO] [stderr]    Compiling persimmon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "de026589ce819b5fcf17fb5c3e46fa7fdcd23f17c95e4e153163297bcc064d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de026589ce819b5fcf17fb5c3e46fa7fdcd23f17c95e4e153163297bcc064d08", kill_on_drop: false }`
[INFO] [stdout] de026589ce819b5fcf17fb5c3e46fa7fdcd23f17c95e4e153163297bcc064d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90440c4faf8e346860f2097ceeb4c416b726c6eb7d94c6a9a66e0bc679c6a469
[INFO] running `Command { std: "docker" "start" "-a" "90440c4faf8e346860f2097ceeb4c416b726c6eb7d94c6a9a66e0bc679c6a469", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/persimmon-feda2ecc7297e91b)
[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" "90440c4faf8e346860f2097ceeb4c416b726c6eb7d94c6a9a66e0bc679c6a469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90440c4faf8e346860f2097ceeb4c416b726c6eb7d94c6a9a66e0bc679c6a469", kill_on_drop: false }`
[INFO] [stdout] 90440c4faf8e346860f2097ceeb4c416b726c6eb7d94c6a9a66e0bc679c6a469