[INFO] crate gc-arena 0.2.0 is already in cache
[INFO] testing gc-arena-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate gc-arena 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gc-arena 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gc-arena 0.2.0
[INFO] finished tweaking crates.io crate gc-arena 0.2.0
[INFO] tweaked toml for crates.io crate gc-arena 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 926c8de70ea8a87c89fa0fe3ca82760182cdcf262ac847f3caf7f66273ed0197
[INFO] running `"docker" "start" "-a" "926c8de70ea8a87c89fa0fe3ca82760182cdcf262ac847f3caf7f66273ed0197"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling gc-arena-derive v0.2.0
[INFO] [stderr]    Compiling gc-arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.21s
[INFO] running `"docker" "inspect" "926c8de70ea8a87c89fa0fe3ca82760182cdcf262ac847f3caf7f66273ed0197"`
[INFO] running `"docker" "rm" "-f" "926c8de70ea8a87c89fa0fe3ca82760182cdcf262ac847f3caf7f66273ed0197"`
[INFO] [stdout] 926c8de70ea8a87c89fa0fe3ca82760182cdcf262ac847f3caf7f66273ed0197
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d781ca0e31ce4c0952da33dcad79c2be347e73f2f033fd038284892e9da388f
[INFO] running `"docker" "start" "-a" "1d781ca0e31ce4c0952da33dcad79c2be347e73f2f033fd038284892e9da388f"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling gc-arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `"docker" "inspect" "1d781ca0e31ce4c0952da33dcad79c2be347e73f2f033fd038284892e9da388f"`
[INFO] running `"docker" "rm" "-f" "1d781ca0e31ce4c0952da33dcad79c2be347e73f2f033fd038284892e9da388f"`
[INFO] [stdout] 1d781ca0e31ce4c0952da33dcad79c2be347e73f2f033fd038284892e9da388f
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ab7cfc2b7d5d3e9fb470a8a3b00bb4598460e485bdad60478a90cc3ea28bbc3
[INFO] running `"docker" "start" "-a" "9ab7cfc2b7d5d3e9fb470a8a3b00bb4598460e485bdad60478a90cc3ea28bbc3"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gc_arena-114a3c78b1785baf
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-0475b3a216983440
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test all_dropped ... ok
[INFO] [stdout] test derive_collect ... ok
[INFO] [stdout] test all_garbage_collected ... ok
[INFO] [stdout] test simple_allocation ... ok
[INFO] [stdout] test repeated_allocation_deallocation ... ok
[INFO] [stderr]    Doc-tests gc-arena
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/arena.rs - make_arena (line 64) ... 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" "9ab7cfc2b7d5d3e9fb470a8a3b00bb4598460e485bdad60478a90cc3ea28bbc3"`
[INFO] running `"docker" "rm" "-f" "9ab7cfc2b7d5d3e9fb470a8a3b00bb4598460e485bdad60478a90cc3ea28bbc3"`
[INFO] [stdout] 9ab7cfc2b7d5d3e9fb470a8a3b00bb4598460e485bdad60478a90cc3ea28bbc3