[INFO] fetching crate zerogc 0.2.0-alpha.4...
[INFO] testing zerogc-0.2.0-alpha.4 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate zerogc 0.2.0-alpha.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zerogc 0.2.0-alpha.4 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc 0.2.0-alpha.4
[INFO] finished tweaking crates.io crate zerogc 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate zerogc 0.2.0-alpha.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e5aa4aec303664aee6c7f07d5c17ac08f4acc3741d45c17399c73ff5aebc6a9
[INFO] running `Command { std: "docker" "start" "-a" "2e5aa4aec303664aee6c7f07d5c17ac08f4acc3741d45c17399c73ff5aebc6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5aa4aec303664aee6c7f07d5c17ac08f4acc3741d45c17399c73ff5aebc6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5aa4aec303664aee6c7f07d5c17ac08f4acc3741d45c17399c73ff5aebc6a9", kill_on_drop: false }`
[INFO] [stdout] 2e5aa4aec303664aee6c7f07d5c17ac08f4acc3741d45c17399c73ff5aebc6a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45ebd6ac45912dac637686a6e6a4b5b1fcc525f4f893581b1714d61decd5607
[INFO] running `Command { std: "docker" "start" "-a" "f45ebd6ac45912dac637686a6e6a4b5b1fcc525f4f893581b1714d61decd5607", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.4
[INFO] [stderr]    Compiling zerogc v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.13s
[INFO] running `Command { std: "docker" "inspect" "f45ebd6ac45912dac637686a6e6a4b5b1fcc525f4f893581b1714d61decd5607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45ebd6ac45912dac637686a6e6a4b5b1fcc525f4f893581b1714d61decd5607", kill_on_drop: false }`
[INFO] [stdout] f45ebd6ac45912dac637686a6e6a4b5b1fcc525f4f893581b1714d61decd5607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f46adc02fe3931c517a22f5ea5c09811d819089e60899b1c01bb11137dd6bda1
[INFO] running `Command { std: "docker" "start" "-a" "f46adc02fe3931c517a22f5ea5c09811d819089e60899b1c01bb11137dd6bda1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling zerogc v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "f46adc02fe3931c517a22f5ea5c09811d819089e60899b1c01bb11137dd6bda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46adc02fe3931c517a22f5ea5c09811d819089e60899b1c01bb11137dd6bda1", kill_on_drop: false }`
[INFO] [stdout] f46adc02fe3931c517a22f5ea5c09811d819089e60899b1c01bb11137dd6bda1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a838cc179e88b10180677b78032f646d46cbd5d0cd54a1ec7b3c8bb81033762a
[INFO] running `Command { std: "docker" "start" "-a" "a838cc179e88b10180677b78032f646d46cbd5d0cd54a1ec7b3c8bb81033762a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zerogc-8f6b16450542684f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test manually_traced::core::test::test_null_trace ... ok
[INFO] [stdout] test manually_traced::core::test::test_trace ... 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] [stderr]    Doc-tests zerogc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - GcContext::basic_safepoint (line 285) - compile ... ok
[INFO] [stdout] test src/macros.rs - trait_object_trace (line 6) ... ok
[INFO] [stdout] test src/lib.rs - safepoint (line 159) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a838cc179e88b10180677b78032f646d46cbd5d0cd54a1ec7b3c8bb81033762a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a838cc179e88b10180677b78032f646d46cbd5d0cd54a1ec7b3c8bb81033762a", kill_on_drop: false }`
[INFO] [stdout] a838cc179e88b10180677b78032f646d46cbd5d0cd54a1ec7b3c8bb81033762a