[INFO] fetching crate lazy_concat 0.1.3...
[INFO] testing lazy_concat-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lazy_concat 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lazy_concat 0.1.3 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 lazy_concat 0.1.3
[INFO] finished tweaking crates.io crate lazy_concat 0.1.3
[INFO] tweaked toml for crates.io crate lazy_concat 0.1.3 written to /workspace/builds/worker-2/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] running `Command { std: "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" "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] [stdout] 480f7f6223db7e6f53880b6c914b8ae190125ff2a066ea1d8cdf698385e85ca6
[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" "480f7f6223db7e6f53880b6c914b8ae190125ff2a066ea1d8cdf698385e85ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480f7f6223db7e6f53880b6c914b8ae190125ff2a066ea1d8cdf698385e85ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480f7f6223db7e6f53880b6c914b8ae190125ff2a066ea1d8cdf698385e85ca6", kill_on_drop: false }`
[INFO] [stdout] 480f7f6223db7e6f53880b6c914b8ae190125ff2a066ea1d8cdf698385e85ca6
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d50d06cee6e57676073462a8337ec16b03999502fa006fc0bcbc95f41746f54
[INFO] running `Command { std: "docker" "start" "-a" "3d50d06cee6e57676073462a8337ec16b03999502fa006fc0bcbc95f41746f54", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_concat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "3d50d06cee6e57676073462a8337ec16b03999502fa006fc0bcbc95f41746f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d50d06cee6e57676073462a8337ec16b03999502fa006fc0bcbc95f41746f54", kill_on_drop: false }`
[INFO] [stdout] 3d50d06cee6e57676073462a8337ec16b03999502fa006fc0bcbc95f41746f54
[INFO] running `Command { std: "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" "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] [stdout] 7d2329d90118fe29e710ba0f6da7c34ddc125dd892c59e6efeeb98d92ce233dc
[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" "7d2329d90118fe29e710ba0f6da7c34ddc125dd892c59e6efeeb98d92ce233dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_concat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "7d2329d90118fe29e710ba0f6da7c34ddc125dd892c59e6efeeb98d92ce233dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2329d90118fe29e710ba0f6da7c34ddc125dd892c59e6efeeb98d92ce233dc", kill_on_drop: false }`
[INFO] [stdout] 7d2329d90118fe29e710ba0f6da7c34ddc125dd892c59e6efeeb98d92ce233dc
[INFO] running `Command { std: "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" "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] 69a1e338e5b8364e540cb0c411d07c5b1838e0ad3333fc0c1b7b2ca2c19f488f
[INFO] running `Command { std: "docker" "start" "-a" "69a1e338e5b8364e540cb0c411d07c5b1838e0ad3333fc0c1b7b2ca2c19f488f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lazy_concat-0b22fee00669491f)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test concat::tests::cow_concat_cow ... ok
[INFO] [stdout] test concat::tests::cow_concat_str ... ok
[INFO] [stdout] test concat::tests::cow_concat_string ... ok
[INFO] [stdout] test concat::tests::osstring_concat_osstr ... ok
[INFO] [stdout] test concat::tests::osstring_concat_str ... ok
[INFO] [stdout] test concat::tests::string_concat_box_str ... ok
[INFO] [stdout] test concat::tests::string_concat_box_string ... ok
[INFO] [stdout] test concat::tests::string_concat_cow ... ok
[INFO] [stdout] test concat::tests::string_concat_multi ... ok
[INFO] [stdout] test concat::tests::string_concat_ref ... ok
[INFO] [stdout] test concat::tests::string_concat_str ... ok
[INFO] [stdout] test concat::tests::string_concat_string ... ok
[INFO] [stdout] test concat::tests::vec_concat_array_1 ... ok
[INFO] [stdout] test concat::tests::vec_concat_array_32 ... ok
[INFO] [stdout] test concat::tests::vec_concat_element ... ok
[INFO] [stdout] test concat::tests::vec_concat_slice ... ok
[INFO] [stdout] test sliceable::test::test_vec_bounded ... ok
[INFO] [stdout] test sliceable::test::test_string ... ok
[INFO] [stdout] test sliceable::test::test_vec_unbounded ... ok
[INFO] [stdout] test tests::normalize_slice ... ok
[INFO] [stdout] test tests::normalize_to_len ... ok
[INFO] [stdout] test tests::string_iter_chars ... ok
[INFO] [stdout] test tests::string_iter_bytes ... ok
[INFO] [stdout] test tests::vec_iter ... ok
[INFO] [stdout] test tests::split_normalized_mut ... ok
[INFO] [stderr]    Doc-tests lazy_concat
[INFO] [stdout] test concat::tests::vec_concat_element_ref ... ok
[INFO] [stdout] test concat::tests::cow_vec_concat_slice ... ok
[INFO] [stdout] test tests::test_1 ... ok
[INFO] [stdout] test concat::tests::vec_concat_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - LazyConcat::done (line 207) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - LazyConcat::slice_needs_normalization (line 162) ... ok
[INFO] [stdout] test src/lib.rs - LazyConcat::split_normalized (line 252) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69a1e338e5b8364e540cb0c411d07c5b1838e0ad3333fc0c1b7b2ca2c19f488f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a1e338e5b8364e540cb0c411d07c5b1838e0ad3333fc0c1b7b2ca2c19f488f", kill_on_drop: false }`
[INFO] [stdout] 69a1e338e5b8364e540cb0c411d07c5b1838e0ad3333fc0c1b7b2ca2c19f488f