[INFO] crate subset 0.3.0 is already in cache
[INFO] testing subset-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate subset 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate subset 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate subset 0.3.0
[INFO] finished tweaking crates.io crate subset 0.3.0
[INFO] tweaked toml for crates.io crate subset 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "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] 6de24628fa228f7ec774bb58461b6e1bc7072560daaa3f948b06e654a00487df
[INFO] running `"docker" "start" "-a" "6de24628fa228f7ec774bb58461b6e1bc7072560daaa3f948b06e654a00487df"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling subset v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "6de24628fa228f7ec774bb58461b6e1bc7072560daaa3f948b06e654a00487df"`
[INFO] running `"docker" "rm" "-f" "6de24628fa228f7ec774bb58461b6e1bc7072560daaa3f948b06e654a00487df"`
[INFO] [stdout] 6de24628fa228f7ec774bb58461b6e1bc7072560daaa3f948b06e654a00487df
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "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] 033141aca91486fabc5e79aaba101f9a47635f2dc91767bbf7363d5b4e49ce65
[INFO] running `"docker" "start" "-a" "033141aca91486fabc5e79aaba101f9a47635f2dc91767bbf7363d5b4e49ce65"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling subset v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "033141aca91486fabc5e79aaba101f9a47635f2dc91767bbf7363d5b4e49ce65"`
[INFO] running `"docker" "rm" "-f" "033141aca91486fabc5e79aaba101f9a47635f2dc91767bbf7363d5b4e49ce65"`
[INFO] [stdout] 033141aca91486fabc5e79aaba101f9a47635f2dc91767bbf7363d5b4e49ce65
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "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] bb9a17f4e10b98c80cf1a0ab7349ad32eeef228ea951cedaeff51db8aabf6dde
[INFO] running `"docker" "start" "-a" "bb9a17f4e10b98c80cf1a0ab7349ad32eeef228ea951cedaeff51db8aabf6dde"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subset-7d8bae4974ca24fe
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test unique::tests::test_mut ... ok
[INFO] [stdout] test multi::tests::test_set ... ok
[INFO] [stdout] test multi::tests::test_mut ... ok
[INFO] [stdout] test unique::tests::test_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests subset
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/multi/mod.rs - multi (line 6) ... ignored
[INFO] [stdout] test src/multi/mod.rs - multi (line 22) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::Subset::new (line 85) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::SubsetMut::new (line 221) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::SubsetMut::is_unique (line 262) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique::SubsetMut::new (line 160) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::Subset::is_unique (line 125) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique::Subset::new (line 61) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bb9a17f4e10b98c80cf1a0ab7349ad32eeef228ea951cedaeff51db8aabf6dde"`
[INFO] running `"docker" "rm" "-f" "bb9a17f4e10b98c80cf1a0ab7349ad32eeef228ea951cedaeff51db8aabf6dde"`
[INFO] [stdout] bb9a17f4e10b98c80cf1a0ab7349ad32eeef228ea951cedaeff51db8aabf6dde