[INFO] fetching crate zgc 0.0.1...
[INFO] testing zgc-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate zgc 0.0.1 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zgc 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b0807ca4c00051c1b74396e9462ed887da3c58e556a91a0aba4a7f115e99ad0
[INFO] running `Command { std: "docker" "start" "-a" "2b0807ca4c00051c1b74396e9462ed887da3c58e556a91a0aba4a7f115e99ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0807ca4c00051c1b74396e9462ed887da3c58e556a91a0aba4a7f115e99ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0807ca4c00051c1b74396e9462ed887da3c58e556a91a0aba4a7f115e99ad0", kill_on_drop: false }`
[INFO] [stdout] 2b0807ca4c00051c1b74396e9462ed887da3c58e556a91a0aba4a7f115e99ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09584a07285500d76730c6853ed3e1b4323575d6db91d2b7570053e6328d5dbc
[INFO] running `Command { std: "docker" "start" "-a" "09584a07285500d76730c6853ed3e1b4323575d6db91d2b7570053e6328d5dbc", 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "09584a07285500d76730c6853ed3e1b4323575d6db91d2b7570053e6328d5dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09584a07285500d76730c6853ed3e1b4323575d6db91d2b7570053e6328d5dbc", kill_on_drop: false }`
[INFO] [stdout] 09584a07285500d76730c6853ed3e1b4323575d6db91d2b7570053e6328d5dbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00a2084b95cc04626a938ea9cee190f712db410d6f6bd0f90b6da0041fe0d516
[INFO] running `Command { std: "docker" "start" "-a" "00a2084b95cc04626a938ea9cee190f712db410d6f6bd0f90b6da0041fe0d516", kill_on_drop: false }`
[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] [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 0.13s
[INFO] running `Command { std: "docker" "inspect" "00a2084b95cc04626a938ea9cee190f712db410d6f6bd0f90b6da0041fe0d516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a2084b95cc04626a938ea9cee190f712db410d6f6bd0f90b6da0041fe0d516", kill_on_drop: false }`
[INFO] [stdout] 00a2084b95cc04626a938ea9cee190f712db410d6f6bd0f90b6da0041fe0d516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c96c4cf4a624660a98b909330cc34c1099037c958b01c13c57f569c50eaf6f7b
[INFO] running `Command { std: "docker" "start" "-a" "c96c4cf4a624660a98b909330cc34c1099037c958b01c13c57f569c50eaf6f7b", 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 0.02s
[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" "c96c4cf4a624660a98b909330cc34c1099037c958b01c13c57f569c50eaf6f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96c4cf4a624660a98b909330cc34c1099037c958b01c13c57f569c50eaf6f7b", kill_on_drop: false }`
[INFO] [stdout] c96c4cf4a624660a98b909330cc34c1099037c958b01c13c57f569c50eaf6f7b