[INFO] crate immutable_arena 0.1.1 is already in cache
[INFO] testing immutable_arena-0.1.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate immutable_arena 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate immutable_arena 0.1.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate immutable_arena 0.1.1
[INFO] finished tweaking crates.io crate immutable_arena 0.1.1
[INFO] tweaked toml for crates.io crate immutable_arena 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] c86e0a74fba740417b5bcb65d89c64abe499ba8bdda43352dff4a503d6a218bd
[INFO] running `"docker" "start" "-a" "c86e0a74fba740417b5bcb65d89c64abe499ba8bdda43352dff4a503d6a218bd"`
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling immutable_arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "c86e0a74fba740417b5bcb65d89c64abe499ba8bdda43352dff4a503d6a218bd"`
[INFO] running `"docker" "rm" "-f" "c86e0a74fba740417b5bcb65d89c64abe499ba8bdda43352dff4a503d6a218bd"`
[INFO] [stdout] c86e0a74fba740417b5bcb65d89c64abe499ba8bdda43352dff4a503d6a218bd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] bbaceabe272ac46caece62535ec3a4edf3bb20078c6c88f0ca2ccc21ad9205a4
[INFO] running `"docker" "start" "-a" "bbaceabe272ac46caece62535ec3a4edf3bb20078c6c88f0ca2ccc21ad9205a4"`
[INFO] [stderr]    Compiling immutable_arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "bbaceabe272ac46caece62535ec3a4edf3bb20078c6c88f0ca2ccc21ad9205a4"`
[INFO] running `"docker" "rm" "-f" "bbaceabe272ac46caece62535ec3a4edf3bb20078c6c88f0ca2ccc21ad9205a4"`
[INFO] [stdout] bbaceabe272ac46caece62535ec3a4edf3bb20078c6c88f0ca2ccc21ad9205a4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] e78f5fdb5323fcf21d191fce18f5011ac7721b2778df45a98f6e0ee9b6ea831f
[INFO] running `"docker" "start" "-a" "e78f5fdb5323fcf21d191fce18f5011ac7721b2778df45a98f6e0ee9b6ea831f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/immutable_arena-f4036e9788a607dd
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::ref_from_borrow_test ... ok
[INFO] [stdout] test test::basic_test ... ok
[INFO] [stderr]    Doc-tests immutable_arena
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 14) ... 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" "e78f5fdb5323fcf21d191fce18f5011ac7721b2778df45a98f6e0ee9b6ea831f"`
[INFO] running `"docker" "rm" "-f" "e78f5fdb5323fcf21d191fce18f5011ac7721b2778df45a98f6e0ee9b6ea831f"`
[INFO] [stdout] e78f5fdb5323fcf21d191fce18f5011ac7721b2778df45a98f6e0ee9b6ea831f