[INFO] fetching crate explain-build-core 0.1.0...
[INFO] testing explain-build-core-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate explain-build-core 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate explain-build-core 0.1.0
[INFO] finished tweaking crates.io crate explain-build-core 0.1.0
[INFO] tweaked toml for crates.io crate explain-build-core 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate explain-build-core 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate explain-build-core 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa35a4028d46f10508b634e8ed11d4be37c1f665f22875a43d1d80790f210cc7
[INFO] running `Command { std: "docker" "start" "-a" "aa35a4028d46f10508b634e8ed11d4be37c1f665f22875a43d1d80790f210cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa35a4028d46f10508b634e8ed11d4be37c1f665f22875a43d1d80790f210cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa35a4028d46f10508b634e8ed11d4be37c1f665f22875a43d1d80790f210cc7", kill_on_drop: false }`
[INFO] [stdout] aa35a4028d46f10508b634e8ed11d4be37c1f665f22875a43d1d80790f210cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cef37a4e6ae57c05256edd62fa0eba90521e4f6b7c21860a385aa27972b6b97a
[INFO] running `Command { std: "docker" "start" "-a" "cef37a4e6ae57c05256edd62fa0eba90521e4f6b7c21860a385aa27972b6b97a", kill_on_drop: false }`
[INFO] [stderr]    Compiling explain-build-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "cef37a4e6ae57c05256edd62fa0eba90521e4f6b7c21860a385aa27972b6b97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef37a4e6ae57c05256edd62fa0eba90521e4f6b7c21860a385aa27972b6b97a", kill_on_drop: false }`
[INFO] [stdout] cef37a4e6ae57c05256edd62fa0eba90521e4f6b7c21860a385aa27972b6b97a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 050a63538d8f6814ead91dd2f5e0d8c4278f8fe70aa7a49eb2b425e2bfe135c1
[INFO] running `Command { std: "docker" "start" "-a" "050a63538d8f6814ead91dd2f5e0d8c4278f8fe70aa7a49eb2b425e2bfe135c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling explain-build-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "050a63538d8f6814ead91dd2f5e0d8c4278f8fe70aa7a49eb2b425e2bfe135c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050a63538d8f6814ead91dd2f5e0d8c4278f8fe70aa7a49eb2b425e2bfe135c1", kill_on_drop: false }`
[INFO] [stdout] 050a63538d8f6814ead91dd2f5e0d8c4278f8fe70aa7a49eb2b425e2bfe135c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44c025f3cdc6711a109592a6ee5702868c556e3d523decde0c30243db58b1dd2
[INFO] running `Command { std: "docker" "start" "-a" "44c025f3cdc6711a109592a6ee5702868c556e3d523decde0c30243db58b1dd2", 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/explain_build_core-04218ca320b1b613)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test cargo_cli::tests::accepts_explicit_json_message_format ... ok
[INFO] [stdout] test cargo_cli::tests::parses_feature_flags ... ok
[INFO] [stdout] test json::tests::parses_nested_object ... ok
[INFO] [stdout] test render::tests::diff_renders_command_and_reason_deltas ... ok
[INFO] [stdout] test cargo_cli::tests::rejects_non_json_message_format ... ok
[INFO] [stdout] test analysis::tests::detects_profile_and_feature_changes ... ok
[INFO] [stdout] test cargo_cli::tests::injects_message_format_before_binary_separator ... ok
[INFO] [stdout] test render::tests::why_renders_dependency_context ... ok
[INFO] [stdout] test timefmt::tests::formats_epoch ... ok
[INFO] [stdout] test render::tests::doctor_reports_check_caveat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests explain_build_core
[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" "44c025f3cdc6711a109592a6ee5702868c556e3d523decde0c30243db58b1dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c025f3cdc6711a109592a6ee5702868c556e3d523decde0c30243db58b1dd2", kill_on_drop: false }`
[INFO] [stdout] 44c025f3cdc6711a109592a6ee5702868c556e3d523decde0c30243db58b1dd2