[INFO] cloning repository https://github.com/zll600/gc-algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zll600/gc-algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzll600%2Fgc-algos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzll600%2Fgc-algos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cd5ae3085746264b593c7d8a6c0dab25fb2600a
[INFO] testing zll600/gc-algos against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzll600%2Fgc-algos" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zll600/gc-algos
[INFO] finished tweaking git repo https://github.com/zll600/gc-algos
[INFO] tweaked toml for git repo https://github.com/zll600/gc-algos written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zll600/gc-algos on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zll600/gc-algos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbd30bf5c26f785f5010743bfb540523590a46dc86db805b03d593700fdf6995
[INFO] running `Command { std: "docker" "start" "-a" "cbd30bf5c26f785f5010743bfb540523590a46dc86db805b03d593700fdf6995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd30bf5c26f785f5010743bfb540523590a46dc86db805b03d593700fdf6995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd30bf5c26f785f5010743bfb540523590a46dc86db805b03d593700fdf6995", kill_on_drop: false }`
[INFO] [stdout] cbd30bf5c26f785f5010743bfb540523590a46dc86db805b03d593700fdf6995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a1e64690ff88b14e6e39b64d0c93fbe7d673b93eb394d398333b6537db89c7
[INFO] running `Command { std: "docker" "start" "-a" "b7a1e64690ff88b14e6e39b64d0c93fbe7d673b93eb394d398333b6537db89c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gc-algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b7a1e64690ff88b14e6e39b64d0c93fbe7d673b93eb394d398333b6537db89c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a1e64690ff88b14e6e39b64d0c93fbe7d673b93eb394d398333b6537db89c7", kill_on_drop: false }`
[INFO] [stdout] b7a1e64690ff88b14e6e39b64d0c93fbe7d673b93eb394d398333b6537db89c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 142786164a2016a2c390f3093f71eeb464a5f63dcf8fc68b834bfae3eb12eb33
[INFO] running `Command { std: "docker" "start" "-a" "142786164a2016a2c390f3093f71eeb464a5f63dcf8fc68b834bfae3eb12eb33", kill_on_drop: false }`
[INFO] [stderr]    Compiling gc-algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "142786164a2016a2c390f3093f71eeb464a5f63dcf8fc68b834bfae3eb12eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142786164a2016a2c390f3093f71eeb464a5f63dcf8fc68b834bfae3eb12eb33", kill_on_drop: false }`
[INFO] [stdout] 142786164a2016a2c390f3093f71eeb464a5f63dcf8fc68b834bfae3eb12eb33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9b24f7b094874138111164b7bfd253b263b38c465dd11178f03cea58bb7cfe2
[INFO] running `Command { std: "docker" "start" "-a" "d9b24f7b094874138111164b7bfd253b263b38c465dd11178f03cea58bb7cfe2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gc_algos-8bc2667abc46aa35)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test algorithms::ref_count::tests::test_collection ... ok
[INFO] [stdout] test algorithms::ref_count::tests::test_ref_count_node ... ok
[INFO] [stdout] test algorithms::ref_count::tests::test_multiple_references ... ok
[INFO] [stdout] test algorithms::ref_count::tests::test_allocation ... ok
[INFO] [stdout] test algorithms::ref_count::tests::test_drop_behavior ... ok
[INFO] [stdout] test algorithms::ref_count::tests::test_modification ... ok
[INFO] [stdout] test tests::test_basic_allocation ... ok
[INFO] [stdout] test tests::test_manual_collection ... ok
[INFO] [stdout] test tests::test_ref_count_basic ... ok
[INFO] [stdout] test tests::test_ref_count_multiple_refs ... ok
[INFO] [stdout] test tests::test_stats_tracking ... ok
[INFO] [stdout] test tests::test_gc_collection ... ok
[INFO] [stdout] test tests::test_ref_count_stats ... ok
[INFO] [stdout] test tests::test_ref_count_vs_mark_sweep ... ok
[INFO] [stdout] test tests::test_handle_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gc_algos
[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" "d9b24f7b094874138111164b7bfd253b263b38c465dd11178f03cea58bb7cfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b24f7b094874138111164b7bfd253b263b38c465dd11178f03cea58bb7cfe2", kill_on_drop: false }`
[INFO] [stdout] d9b24f7b094874138111164b7bfd253b263b38c465dd11178f03cea58bb7cfe2