[INFO] fetching crate head-empty 0.1.0...
[INFO] testing head-empty-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate head-empty 0.1.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate head-empty 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 061ee0c91ea75aba6fba06b28684e80263e328b47a8b0e6d459d77cefa2d074e
[INFO] running `Command { std: "docker" "start" "-a" "061ee0c91ea75aba6fba06b28684e80263e328b47a8b0e6d459d77cefa2d074e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "061ee0c91ea75aba6fba06b28684e80263e328b47a8b0e6d459d77cefa2d074e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061ee0c91ea75aba6fba06b28684e80263e328b47a8b0e6d459d77cefa2d074e", kill_on_drop: false }`
[INFO] [stdout] 061ee0c91ea75aba6fba06b28684e80263e328b47a8b0e6d459d77cefa2d074e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de09cbaa92bb8d746b9c489f5ae6094e6204f6974e7600da7d380d7123fdf1fa
[INFO] running `Command { std: "docker" "start" "-a" "de09cbaa92bb8d746b9c489f5ae6094e6204f6974e7600da7d380d7123fdf1fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling linkme-impl v0.2.6
[INFO] [stderr]    Compiling linkme v0.2.6
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.62s
[INFO] running `Command { std: "docker" "inspect" "de09cbaa92bb8d746b9c489f5ae6094e6204f6974e7600da7d380d7123fdf1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de09cbaa92bb8d746b9c489f5ae6094e6204f6974e7600da7d380d7123fdf1fa", kill_on_drop: false }`
[INFO] [stdout] de09cbaa92bb8d746b9c489f5ae6094e6204f6974e7600da7d380d7123fdf1fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a0560ffcf601bba3059ca150b65cfa6c856201e6de816a357441855a623065
[INFO] running `Command { std: "docker" "start" "-a" "69a0560ffcf601bba3059ca150b65cfa6c856201e6de816a357441855a623065", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "69a0560ffcf601bba3059ca150b65cfa6c856201e6de816a357441855a623065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a0560ffcf601bba3059ca150b65cfa6c856201e6de816a357441855a623065", kill_on_drop: false }`
[INFO] [stdout] 69a0560ffcf601bba3059ca150b65cfa6c856201e6de816a357441855a623065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22d35ab68010dc7b081b400976b7b64c05a71a169eb7d96058c5138696d35522
[INFO] running `Command { std: "docker" "start" "-a" "22d35ab68010dc7b081b400976b7b64c05a71a169eb7d96058c5138696d35522", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/head_empty-5dc9d617dc220dd4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests head-empty
[INFO] [stdout] test de::tests::missing_field ... ok
[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 1.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22d35ab68010dc7b081b400976b7b64c05a71a169eb7d96058c5138696d35522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d35ab68010dc7b081b400976b7b64c05a71a169eb7d96058c5138696d35522", kill_on_drop: false }`
[INFO] [stdout] 22d35ab68010dc7b081b400976b7b64c05a71a169eb7d96058c5138696d35522