[INFO] fetching crate explain-build-core 0.1.0...
[INFO] testing explain-build-core-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate explain-build-core 0.1.0 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate explain-build-core 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 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 39bc4608eff41cba7e54c08b2f47f00047ff63d4e977823e5d799e667e98bcc8
[INFO] running `Command { std: "docker" "start" "-a" "39bc4608eff41cba7e54c08b2f47f00047ff63d4e977823e5d799e667e98bcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39bc4608eff41cba7e54c08b2f47f00047ff63d4e977823e5d799e667e98bcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bc4608eff41cba7e54c08b2f47f00047ff63d4e977823e5d799e667e98bcc8", kill_on_drop: false }`
[INFO] [stdout] 39bc4608eff41cba7e54c08b2f47f00047ff63d4e977823e5d799e667e98bcc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b7d2ffc3a303f06d7bc078d3d7dab0617c1c400cc960cff7515bbeead533510e
[INFO] running `Command { std: "docker" "start" "-a" "b7d2ffc3a303f06d7bc078d3d7dab0617c1c400cc960cff7515bbeead533510e", 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 2.73s
[INFO] running `Command { std: "docker" "inspect" "b7d2ffc3a303f06d7bc078d3d7dab0617c1c400cc960cff7515bbeead533510e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d2ffc3a303f06d7bc078d3d7dab0617c1c400cc960cff7515bbeead533510e", kill_on_drop: false }`
[INFO] [stdout] b7d2ffc3a303f06d7bc078d3d7dab0617c1c400cc960cff7515bbeead533510e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d65e527200cb8064344c9b67a062181eaf9a17424f2c8ed5829ac473b15bf43c
[INFO] running `Command { std: "docker" "start" "-a" "d65e527200cb8064344c9b67a062181eaf9a17424f2c8ed5829ac473b15bf43c", 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "d65e527200cb8064344c9b67a062181eaf9a17424f2c8ed5829ac473b15bf43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65e527200cb8064344c9b67a062181eaf9a17424f2c8ed5829ac473b15bf43c", kill_on_drop: false }`
[INFO] [stdout] d65e527200cb8064344c9b67a062181eaf9a17424f2c8ed5829ac473b15bf43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c2b61a510cadc5646911f40e7eedc8d8d0b11525ffc54587def7107391a5bc5b
[INFO] running `Command { std: "docker" "start" "-a" "c2b61a510cadc5646911f40e7eedc8d8d0b11525ffc54587def7107391a5bc5b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/explain_build_core-04218ca320b1b613)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test analysis::tests::detects_profile_and_feature_changes ... ok
[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::injects_message_format_before_binary_separator ... ok
[INFO] [stdout] test cargo_cli::tests::rejects_non_json_message_format ... ok
[INFO] [stdout] test render::tests::doctor_reports_check_caveat ... ok
[INFO] [stdout] test render::tests::why_renders_dependency_context ... ok
[INFO] [stderr]    Doc-tests explain_build_core
[INFO] [stdout] test timefmt::tests::formats_epoch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "c2b61a510cadc5646911f40e7eedc8d8d0b11525ffc54587def7107391a5bc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b61a510cadc5646911f40e7eedc8d8d0b11525ffc54587def7107391a5bc5b", kill_on_drop: false }`
[INFO] [stdout] c2b61a510cadc5646911f40e7eedc8d8d0b11525ffc54587def7107391a5bc5b