[INFO] fetching crate zgc 0.0.1...
[INFO] testing zgc-0.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate zgc 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate zgc 0.0.1
[INFO] finished tweaking crates.io crate zgc 0.0.1
[INFO] tweaked toml for crates.io crate zgc 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zgc 0.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ea93e1b8dfd71d8fc050a48b1a4c7237d17e0b9133866356dcdbcb03606523b
[INFO] running `Command { std: "docker" "start" "-a" "3ea93e1b8dfd71d8fc050a48b1a4c7237d17e0b9133866356dcdbcb03606523b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea93e1b8dfd71d8fc050a48b1a4c7237d17e0b9133866356dcdbcb03606523b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea93e1b8dfd71d8fc050a48b1a4c7237d17e0b9133866356dcdbcb03606523b", kill_on_drop: false }`
[INFO] [stdout] 3ea93e1b8dfd71d8fc050a48b1a4c7237d17e0b9133866356dcdbcb03606523b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f89fd0b2374156c6fefefda129f4d1498347b648d61af3380c271ce397c5a69a
[INFO] running `Command { std: "docker" "start" "-a" "f89fd0b2374156c6fefefda129f4d1498347b648d61af3380c271ce397c5a69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling zgc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/errors.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type GcResult<T> = std::result::Result<T, GcError>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/gc_head/mod.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct TheWorld {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f89fd0b2374156c6fefefda129f4d1498347b648d61af3380c271ce397c5a69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89fd0b2374156c6fefefda129f4d1498347b648d61af3380c271ce397c5a69a", kill_on_drop: false }`
[INFO] [stdout] f89fd0b2374156c6fefefda129f4d1498347b648d61af3380c271ce397c5a69a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f4a082e08dacf8f422674a6cc02ab42c6fe7e6de2114731f144afd9f2c8032
[INFO] running `Command { std: "docker" "start" "-a" "d0f4a082e08dacf8f422674a6cc02ab42c6fe7e6de2114731f144afd9f2c8032", kill_on_drop: false }`
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/errors.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type GcResult<T> = std::result::Result<T, GcError>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/gc_head/mod.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct TheWorld {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zgc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/errors.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type GcResult<T> = std::result::Result<T, GcError>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/gc_head/mod.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct TheWorld {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "d0f4a082e08dacf8f422674a6cc02ab42c6fe7e6de2114731f144afd9f2c8032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f4a082e08dacf8f422674a6cc02ab42c6fe7e6de2114731f144afd9f2c8032", kill_on_drop: false }`
[INFO] [stdout] d0f4a082e08dacf8f422674a6cc02ab42c6fe7e6de2114731f144afd9f2c8032
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fb020553b951e8f661b8f078708a11c17117e457bde3f8a648e1fa86cfd69eb
[INFO] running `Command { std: "docker" "start" "-a" "1fb020553b951e8f661b8f078708a11c17117e457bde3f8a648e1fa86cfd69eb", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for a type alias
[INFO] [stderr]  --> src/errors.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type GcResult<T> = std::result::Result<T, GcError>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/gc_head/mod.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct TheWorld {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `zgc` (lib) generated 2 warnings
[INFO] [stderr] warning: `zgc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zgc-54d907bd2b3ecad1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zgc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1fb020553b951e8f661b8f078708a11c17117e457bde3f8a648e1fa86cfd69eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb020553b951e8f661b8f078708a11c17117e457bde3f8a648e1fa86cfd69eb", kill_on_drop: false }`
[INFO] [stdout] 1fb020553b951e8f661b8f078708a11c17117e457bde3f8a648e1fa86cfd69eb