[INFO] fetching crate head-empty 0.1.0...
[INFO] testing head-empty-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate head-empty 0.1.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate head-empty 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48460bee1bf95a411d9c62cefc5b06665253e32342a72a1e9fb1b3fdbcadbf34
[INFO] running `Command { std: "docker" "start" "-a" "48460bee1bf95a411d9c62cefc5b06665253e32342a72a1e9fb1b3fdbcadbf34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48460bee1bf95a411d9c62cefc5b06665253e32342a72a1e9fb1b3fdbcadbf34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48460bee1bf95a411d9c62cefc5b06665253e32342a72a1e9fb1b3fdbcadbf34", kill_on_drop: false }`
[INFO] [stdout] 48460bee1bf95a411d9c62cefc5b06665253e32342a72a1e9fb1b3fdbcadbf34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13391f3a29ab568934552012cb2671c89bd59149b0167b25865f58b879514740
[INFO] running `Command { std: "docker" "start" "-a" "13391f3a29ab568934552012cb2671c89bd59149b0167b25865f58b879514740", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[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 v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling linkme-impl v0.2.7
[INFO] [stderr]    Compiling linkme v0.2.7
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.96s
[INFO] running `Command { std: "docker" "inspect" "13391f3a29ab568934552012cb2671c89bd59149b0167b25865f58b879514740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13391f3a29ab568934552012cb2671c89bd59149b0167b25865f58b879514740", kill_on_drop: false }`
[INFO] [stdout] 13391f3a29ab568934552012cb2671c89bd59149b0167b25865f58b879514740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92417bb0fc69fef230f89fafe183c74fecb9ca75ba2cedf4788ae6176f6d2e1b
[INFO] running `Command { std: "docker" "start" "-a" "92417bb0fc69fef230f89fafe183c74fecb9ca75ba2cedf4788ae6176f6d2e1b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "92417bb0fc69fef230f89fafe183c74fecb9ca75ba2cedf4788ae6176f6d2e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92417bb0fc69fef230f89fafe183c74fecb9ca75ba2cedf4788ae6176f6d2e1b", kill_on_drop: false }`
[INFO] [stdout] 92417bb0fc69fef230f89fafe183c74fecb9ca75ba2cedf4788ae6176f6d2e1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47062a37c0ef5a6edf143e3529ebb7019233cf0043c32e0436daa94e3c973666
[INFO] running `Command { std: "docker" "start" "-a" "47062a37c0ef5a6edf143e3529ebb7019233cf0043c32e0436daa94e3c973666", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/head_empty-31eb87bb1e56d422)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests head-empty
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[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::_cannot_register_external_types (line 32) - compile fail ... ok
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_register_path_test (line 37) ... ok
[INFO] [stdout] test src/compile_tests.rs - compile_tests::_register_commas (line 1) ... ok
[INFO] [stdout] test src/lib.rs - register (line 141) ... 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 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47062a37c0ef5a6edf143e3529ebb7019233cf0043c32e0436daa94e3c973666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47062a37c0ef5a6edf143e3529ebb7019233cf0043c32e0436daa94e3c973666", kill_on_drop: false }`
[INFO] [stdout] 47062a37c0ef5a6edf143e3529ebb7019233cf0043c32e0436daa94e3c973666