[INFO] fetching crate stowaway 2.0.0...
[INFO] testing stowaway-2.0.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate stowaway 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stowaway 2.0.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stowaway 2.0.0
[INFO] finished tweaking crates.io crate stowaway 2.0.0
[INFO] tweaked toml for crates.io crate stowaway 2.0.0 written to /workspace/builds/worker-6/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-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" "+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] cc6a39edc39ebfc8b559518c6c0c83265a81777d8c523cda7af55c4c6e959b1c
[INFO] running `"docker" "start" "-a" "cc6a39edc39ebfc8b559518c6c0c83265a81777d8c523cda7af55c4c6e959b1c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling stowaway v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `"docker" "inspect" "cc6a39edc39ebfc8b559518c6c0c83265a81777d8c523cda7af55c4c6e959b1c"`
[INFO] running `"docker" "rm" "-f" "cc6a39edc39ebfc8b559518c6c0c83265a81777d8c523cda7af55c4c6e959b1c"`
[INFO] [stdout] cc6a39edc39ebfc8b559518c6c0c83265a81777d8c523cda7af55c4c6e959b1c
[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" "+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] 3aef7d7469d801e6fe841ae5e405234a8739e4d3806fd406431655ea8638d214
[INFO] running `"docker" "start" "-a" "3aef7d7469d801e6fe841ae5e405234a8739e4d3806fd406431655ea8638d214"`
[INFO] [stderr]    Compiling stowaway v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "3aef7d7469d801e6fe841ae5e405234a8739e4d3806fd406431655ea8638d214"`
[INFO] running `"docker" "rm" "-f" "3aef7d7469d801e6fe841ae5e405234a8739e4d3806fd406431655ea8638d214"`
[INFO] [stdout] 3aef7d7469d801e6fe841ae5e405234a8739e4d3806fd406431655ea8638d214
[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" "+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] 8de07f13b63cb96d72c369a7c5ccfc87bffbd2443004d6fd4483db5a3a7a256e
[INFO] running `"docker" "start" "-a" "8de07f13b63cb96d72c369a7c5ccfc87bffbd2443004d6fd4483db5a3a7a256e"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stowaway-34765a0b870fd428
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_drop::large_raw_stowed_value ... ok
[INFO] [stdout] test test_ref_from_stowed_small ... ok
[INFO] [stdout] test test_drop::large_stowed_value ... ok
[INFO] [stdout] test test_drop::small_raw_value ... ok
[INFO] [stdout] test test_ref_from_stowed_large ... ok
[INFO] [stdout] test test_mut_ref_from_stowed_small ... ok
[INFO] [stdout] test test_drop::small_stowed_value ... ok
[INFO] [stdout] test test_for_uninit_bytes::zst ... ok
[INFO] [stdout] test test_for_uninit_bytes::small_t ... ok
[INFO] [stdout] test test_mut_ref_from_stowed_large ... ok
[INFO] [stdout] test test_drop::zero_size_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stowaway
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - ref_from_stowed (line 807) ... ok
[INFO] [stdout] test src/lib.rs - mut_ref_from_stowed (line 896) ... ok
[INFO] [stdout] test src/lib.rs - Stowaway (line 286) ... ok
[INFO] [stdout] test src/lib.rs -  (line 67) ... ok
[INFO] [stdout] test src/lib.rs -  (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8de07f13b63cb96d72c369a7c5ccfc87bffbd2443004d6fd4483db5a3a7a256e"`
[INFO] running `"docker" "rm" "-f" "8de07f13b63cb96d72c369a7c5ccfc87bffbd2443004d6fd4483db5a3a7a256e"`
[INFO] [stdout] 8de07f13b63cb96d72c369a7c5ccfc87bffbd2443004d6fd4483db5a3a7a256e