[INFO] fetching crate head-empty 0.1.0...
[INFO] testing head-empty-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate head-empty 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate head-empty 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff0f10f647fbcc50d7d6576aaa59b9b09855b73865f4ccfc5cfbc1f14a1d4b40
[INFO] running `Command { std: "docker" "start" "-a" "ff0f10f647fbcc50d7d6576aaa59b9b09855b73865f4ccfc5cfbc1f14a1d4b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff0f10f647fbcc50d7d6576aaa59b9b09855b73865f4ccfc5cfbc1f14a1d4b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0f10f647fbcc50d7d6576aaa59b9b09855b73865f4ccfc5cfbc1f14a1d4b40", kill_on_drop: false }`
[INFO] [stdout] ff0f10f647fbcc50d7d6576aaa59b9b09855b73865f4ccfc5cfbc1f14a1d4b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac160edabc499e548a7cd46e620f41d13da0797e5026c17c2629601839c6381
[INFO] running `Command { std: "docker" "start" "-a" "8ac160edabc499e548a7cd46e620f41d13da0797e5026c17c2629601839c6381", kill_on_drop: false }`
[INFO] [stderr]    Compiling erased-serde v0.3.18
[INFO] [stderr]    Compiling linkme-impl v0.2.10
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling linkme v0.2.10
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "8ac160edabc499e548a7cd46e620f41d13da0797e5026c17c2629601839c6381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac160edabc499e548a7cd46e620f41d13da0797e5026c17c2629601839c6381", kill_on_drop: false }`
[INFO] [stdout] 8ac160edabc499e548a7cd46e620f41d13da0797e5026c17c2629601839c6381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ad36005cb7286ac590673450cf46fc5bd7174637341568eed1b9108d0730531
[INFO] running `Command { std: "docker" "start" "-a" "2ad36005cb7286ac590673450cf46fc5bd7174637341568eed1b9108d0730531", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "2ad36005cb7286ac590673450cf46fc5bd7174637341568eed1b9108d0730531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad36005cb7286ac590673450cf46fc5bd7174637341568eed1b9108d0730531", kill_on_drop: false }`
[INFO] [stdout] 2ad36005cb7286ac590673450cf46fc5bd7174637341568eed1b9108d0730531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e461b7a17198171780e59d97910a316f7e67729bb34ee2be9b8e1590914f95e3
[INFO] running `Command { std: "docker" "start" "-a" "e461b7a17198171780e59d97910a316f7e67729bb34ee2be9b8e1590914f95e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/head_empty-6d83f8ddbe42de0b)
[INFO] [stdout] test de::tests::missing_field ... ok
[INFO] [stderr]    Doc-tests head-empty
[INFO] [stdout] test de::tests::smoke_test ... 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_register_external_types (line 32) - 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_registrer_the_same_type_twice (line 21) - compile fail ... ok
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_register_path_test (line 37) ... 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/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 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e461b7a17198171780e59d97910a316f7e67729bb34ee2be9b8e1590914f95e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e461b7a17198171780e59d97910a316f7e67729bb34ee2be9b8e1590914f95e3", kill_on_drop: false }`
[INFO] [stdout] e461b7a17198171780e59d97910a316f7e67729bb34ee2be9b8e1590914f95e3