[INFO] fetching crate head-empty 0.1.0...
[INFO] testing head-empty-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate head-empty 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate head-empty 0.1.0
[INFO] finished tweaking crates.io crate head-empty 0.1.0
[INFO] tweaked toml for crates.io crate head-empty 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate head-empty 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.10)
[INFO] [stderr]       Adding linkme v0.2.10 (available: v0.3.35)
[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] 5738f6e313a8e092df74c8449daa50b3a7174a2335950e8d733f8a73404c9034
[INFO] running `Command { std: "docker" "start" "-a" "5738f6e313a8e092df74c8449daa50b3a7174a2335950e8d733f8a73404c9034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5738f6e313a8e092df74c8449daa50b3a7174a2335950e8d733f8a73404c9034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5738f6e313a8e092df74c8449daa50b3a7174a2335950e8d733f8a73404c9034", kill_on_drop: false }`
[INFO] [stdout] 5738f6e313a8e092df74c8449daa50b3a7174a2335950e8d733f8a73404c9034
[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] 7ad5cff5409a6311cc16cccc4aae37a52707f866ef3f3b18dcd265020901b0fa
[INFO] running `Command { std: "docker" "start" "-a" "7ad5cff5409a6311cc16cccc4aae37a52707f866ef3f3b18dcd265020901b0fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling linkme-impl v0.2.10
[INFO] [stderr]    Compiling linkme v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "7ad5cff5409a6311cc16cccc4aae37a52707f866ef3f3b18dcd265020901b0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad5cff5409a6311cc16cccc4aae37a52707f866ef3f3b18dcd265020901b0fa", kill_on_drop: false }`
[INFO] [stdout] 7ad5cff5409a6311cc16cccc4aae37a52707f866ef3f3b18dcd265020901b0fa
[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] 2480ae64c89ef73c00a3ce9c18425f5c0be83ab4f9726e0e8c5e212f92e84761
[INFO] running `Command { std: "docker" "start" "-a" "2480ae64c89ef73c00a3ce9c18425f5c0be83ab4f9726e0e8c5e212f92e84761", kill_on_drop: false }`
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "2480ae64c89ef73c00a3ce9c18425f5c0be83ab4f9726e0e8c5e212f92e84761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2480ae64c89ef73c00a3ce9c18425f5c0be83ab4f9726e0e8c5e212f92e84761", kill_on_drop: false }`
[INFO] [stdout] 2480ae64c89ef73c00a3ce9c18425f5c0be83ab4f9726e0e8c5e212f92e84761
[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] 51e7d3d11b9cf4814833f278121c361946775cddb03a6047e3adb530a38425ff
[INFO] running `Command { std: "docker" "start" "-a" "51e7d3d11b9cf4814833f278121c361946775cddb03a6047e3adb530a38425ff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/head_empty-945517754f9771c3)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test de::tests::smoke_test ... ok
[INFO] [stderr]    Doc-tests head_empty
[INFO] [stdout] test de::tests::missing_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_cannot_registrer_the_same_type_twice (line 21) - compile fail ... ok
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_register_empty_call (line 16) - compile fail ... ok
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_cannot_register_external_types (line 32) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - register (line 141) ... ok
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_register_commas (line 1) ... ok
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_register_path_test (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51e7d3d11b9cf4814833f278121c361946775cddb03a6047e3adb530a38425ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e7d3d11b9cf4814833f278121c361946775cddb03a6047e3adb530a38425ff", kill_on_drop: false }`
[INFO] [stdout] 51e7d3d11b9cf4814833f278121c361946775cddb03a6047e3adb530a38425ff