[INFO] crate gc 0.3.2 is already in cache
[INFO] extracting crate gc 0.3.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/gc/0.3.2
[INFO] extracting crate gc 0.3.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/gc/0.3.2
[INFO] validating manifest of gc-0.3.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gc-0.3.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gc-0.3.2
[INFO] finished frobbing gc-0.3.2
[INFO] frobbed toml for gc-0.3.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/gc/0.3.2/Cargo.toml
[INFO] started frobbing gc-0.3.2
[INFO] finished frobbing gc-0.3.2
[INFO] frobbed toml for gc-0.3.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/gc/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gc-0.3.2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/gc/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 2e5e29cadac87d058afef5907dbf1d6c8edd5b8a7a4fea9b03636983ba1d5fd1
[INFO] running `"docker" "start" "-a" "2e5e29cadac87d058afef5907dbf1d6c8edd5b8a7a4fea9b03636983ba1d5fd1"`
[INFO] [stderr]    Compiling gc v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         unsafe { self.cell.into_inner() }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "2e5e29cadac87d058afef5907dbf1d6c8edd5b8a7a4fea9b03636983ba1d5fd1"`
[INFO] running `"docker" "rm" "-f" "2e5e29cadac87d058afef5907dbf1d6c8edd5b8a7a4fea9b03636983ba1d5fd1"`
[INFO] [stdout] 2e5e29cadac87d058afef5907dbf1d6c8edd5b8a7a4fea9b03636983ba1d5fd1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/gc/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 15810a233469ddaded78814bf11605aa6f50bae01910d5d416d213c3df8f6c3e
[INFO] running `"docker" "start" "-a" "15810a233469ddaded78814bf11605aa6f50bae01910d5d416d213c3df8f6c3e"`
[INFO] [stderr]    Compiling gc_derive v0.3.2
[INFO] [stderr]    Compiling gc v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 |         unsafe { self.cell.into_inner() }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `"docker" "inspect" "15810a233469ddaded78814bf11605aa6f50bae01910d5d416d213c3df8f6c3e"`
[INFO] running `"docker" "rm" "-f" "15810a233469ddaded78814bf11605aa6f50bae01910d5d416d213c3df8f6c3e"`
[INFO] [stdout] 15810a233469ddaded78814bf11605aa6f50bae01910d5d416d213c3df8f6c3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/gc/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 72e850bd6a298afaacd18924da165dd9e350b51b64bf62bb9f568e366130660b
[INFO] running `"docker" "start" "-a" "72e850bd6a298afaacd18924da165dd9e350b51b64bf62bb9f568e366130660b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gc-6b70709e291802f5
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/finalize-d5a65b0c10eae44d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test drop_triggers_finalize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gc_semantics-ca53136f3956c3ff
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basic_cycle_allocate ... ok
[INFO] [stdout] test basic_allocate ... ok
[INFO] [stdout] test gccell_rooting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gymnastics_cycle-0953323da8d3c408
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_cycle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/i128-235d5e4da5bb01d5
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trace_impl-6d40cd890058d88a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Gc<T>::new (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "72e850bd6a298afaacd18924da165dd9e350b51b64bf62bb9f568e366130660b"`
[INFO] running `"docker" "rm" "-f" "72e850bd6a298afaacd18924da165dd9e350b51b64bf62bb9f568e366130660b"`
[INFO] [stdout] 72e850bd6a298afaacd18924da165dd9e350b51b64bf62bb9f568e366130660b