[INFO] fetching crate lhlist 0.1.1...
[INFO] testing lhlist-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lhlist 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lhlist 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lhlist 0.1.1
[INFO] finished tweaking crates.io crate lhlist 0.1.1
[INFO] tweaked toml for crates.io crate lhlist 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded label_attribute v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd8c780e395a9dda679e762c7500341dae6ad7f30c61b4cd8ca119c0c1c4e7e1
[INFO] running `Command { std: "docker" "start" "-a" "fd8c780e395a9dda679e762c7500341dae6ad7f30c61b4cd8ca119c0c1c4e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd8c780e395a9dda679e762c7500341dae6ad7f30c61b4cd8ca119c0c1c4e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8c780e395a9dda679e762c7500341dae6ad7f30c61b4cd8ca119c0c1c4e7e1", kill_on_drop: false }`
[INFO] [stdout] fd8c780e395a9dda679e762c7500341dae6ad7f30c61b4cd8ca119c0c1c4e7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58c6b3b13a24ff5877451cae8ce473f3f8c02c3cf49fe271e9fb0c3cbec164d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58c6b3b13a24ff5877451cae8ce473f3f8c02c3cf49fe271e9fb0c3cbec164d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling label_attribute v0.1.1
[INFO] [stderr]    Compiling lhlist v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "58c6b3b13a24ff5877451cae8ce473f3f8c02c3cf49fe271e9fb0c3cbec164d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c6b3b13a24ff5877451cae8ce473f3f8c02c3cf49fe271e9fb0c3cbec164d4", kill_on_drop: false }`
[INFO] [stdout] 58c6b3b13a24ff5877451cae8ce473f3f8c02c3cf49fe271e9fb0c3cbec164d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf0633949904a2bfb9069d3116dd2aab2306bda3b30bf6362ea54101fc83bc4d
[INFO] running `Command { std: "docker" "start" "-a" "cf0633949904a2bfb9069d3116dd2aab2306bda3b30bf6362ea54101fc83bc4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lhlist v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "cf0633949904a2bfb9069d3116dd2aab2306bda3b30bf6362ea54101fc83bc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0633949904a2bfb9069d3116dd2aab2306bda3b30bf6362ea54101fc83bc4d", kill_on_drop: false }`
[INFO] [stdout] cf0633949904a2bfb9069d3116dd2aab2306bda3b30bf6362ea54101fc83bc4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc3ea26999761c66ae43f2e386fb6c83b3d10ea722ac6ad168389857b1ec7cdd
[INFO] running `Command { std: "docker" "start" "-a" "bc3ea26999761c66ae43f2e386fb6c83b3d10ea722ac6ad168389857b1ec7cdd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test iter::tests::map ... ok
[INFO] [stdout] test label::tests::has_labels ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lhlist-e1599ba3204a52fd)
[INFO] [stderr]    Doc-tests lhlist
[INFO] [stdout] test relation::tests::member ... ok
[INFO] [stdout] test lookup::tests::lookup ... ok
[INFO] [stdout] test relation::tests::label_eq ... ok
[INFO] [stdout] test cons::tests::cons_macro ... ok
[INFO] [stdout] test label::tests::label_create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/label.rs - label::Label (line 13) ... ok
[INFO] [stdout] test src/iter.rs - iter::ValuesIterator (line 117) ... ok
[INFO] [stdout] test src/label.rs - new_label (line 213) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/iter.rs - iter::MapAdapter (line 242) ... ok
[INFO] [stdout] test src/label.rs - new_label (line 191) ... ok
[INFO] [stdout] test src/cons.rs - cons::Len (line 317) ... ok
[INFO] [stdout] test src/cons.rs - cons::Cons<Head, Tail>::elem (line 113) ... ok
[INFO] [stdout] test src/cons.rs - cons::Cons<Head, Tail>::value_mut (line 225) ... ok
[INFO] [stdout] test src/cons.rs - cons::cons (line 29) ... ok
[INFO] [stdout] test src/label.rs - label::StrLabels (line 132) ... ok
[INFO] [stdout] test src/cons.rs - cons (line 353) ... ok
[INFO] [stdout] test src/iter.rs - iter::ConsIterator (line 19) ... ok
[INFO] [stdout] test src/cons.rs - cons::Cons<Head, Tail>::elem_mut (line 149) ... ok
[INFO] [stdout] test src/cons.rs - cons::Cons<Head, Tail>::value (line 188) ... ok
[INFO] [stdout] test src/label.rs - lhlist (line 285) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc3ea26999761c66ae43f2e386fb6c83b3d10ea722ac6ad168389857b1ec7cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3ea26999761c66ae43f2e386fb6c83b3d10ea722ac6ad168389857b1ec7cdd", kill_on_drop: false }`
[INFO] [stdout] bc3ea26999761c66ae43f2e386fb6c83b3d10ea722ac6ad168389857b1ec7cdd