[INFO] fetching crate zerofrom 0.1.7...
[INFO] testing zerofrom-0.1.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate zerofrom 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zerofrom 0.1.7
[INFO] finished tweaking crates.io crate zerofrom 0.1.7
[INFO] tweaked toml for crates.io crate zerofrom 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zerofrom 0.1.7 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 zerofrom 0.1.7 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0ee7ae928775fd05f5b717f2e45b823f8c2a966b620e93b67c41ed828b3bfd8a
[INFO] running `Command { std: "docker" "start" "-a" "0ee7ae928775fd05f5b717f2e45b823f8c2a966b620e93b67c41ed828b3bfd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee7ae928775fd05f5b717f2e45b823f8c2a966b620e93b67c41ed828b3bfd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee7ae928775fd05f5b717f2e45b823f8c2a966b620e93b67c41ed828b3bfd8a", kill_on_drop: false }`
[INFO] [stdout] 0ee7ae928775fd05f5b717f2e45b823f8c2a966b620e93b67c41ed828b3bfd8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 58e8e8998c8a9373274a6247d1fcc9387d28a57be8ded10179e6bde56b69f1cc
[INFO] running `Command { std: "docker" "start" "-a" "58e8e8998c8a9373274a6247d1fcc9387d28a57be8ded10179e6bde56b69f1cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerofrom v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "58e8e8998c8a9373274a6247d1fcc9387d28a57be8ded10179e6bde56b69f1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e8e8998c8a9373274a6247d1fcc9387d28a57be8ded10179e6bde56b69f1cc", kill_on_drop: false }`
[INFO] [stdout] 58e8e8998c8a9373274a6247d1fcc9387d28a57be8ded10179e6bde56b69f1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6fe83b58e1241fceb317359c3aa0652fd6119cabf96678db0a8baecba1bf44d2
[INFO] running `Command { std: "docker" "start" "-a" "6fe83b58e1241fceb317359c3aa0652fd6119cabf96678db0a8baecba1bf44d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerofrom v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6fe83b58e1241fceb317359c3aa0652fd6119cabf96678db0a8baecba1bf44d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe83b58e1241fceb317359c3aa0652fd6119cabf96678db0a8baecba1bf44d2", kill_on_drop: false }`
[INFO] [stdout] 6fe83b58e1241fceb317359c3aa0652fd6119cabf96678db0a8baecba1bf44d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa550943df4c68808b298b5f14f76ad8ed55dbd3ca570b07125628b88f5f8703
[INFO] running `Command { std: "docker" "start" "-a" "aa550943df4c68808b298b5f14f76ad8ed55dbd3ca570b07125628b88f5f8703", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zerofrom-9df8f16315609d40)
[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 zerofrom
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/zero_from.rs - zero_from::ZeroFrom (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa550943df4c68808b298b5f14f76ad8ed55dbd3ca570b07125628b88f5f8703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa550943df4c68808b298b5f14f76ad8ed55dbd3ca570b07125628b88f5f8703", kill_on_drop: false }`
[INFO] [stdout] aa550943df4c68808b298b5f14f76ad8ed55dbd3ca570b07125628b88f5f8703