[INFO] fetching crate lazy_concat 0.1.3...
[INFO] testing lazy_concat-0.1.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate lazy_concat 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lazy_concat 0.1.3 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5aa849e77faa7d058c43bc635dbaeecd68ee7a8d78148b85f2160c15f1121eb
[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" "e5aa849e77faa7d058c43bc635dbaeecd68ee7a8d78148b85f2160c15f1121eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5aa849e77faa7d058c43bc635dbaeecd68ee7a8d78148b85f2160c15f1121eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5aa849e77faa7d058c43bc635dbaeecd68ee7a8d78148b85f2160c15f1121eb", kill_on_drop: false }`
[INFO] [stdout] e5aa849e77faa7d058c43bc635dbaeecd68ee7a8d78148b85f2160c15f1121eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e33ad88cbd30932662799d9976f411ce7b54005217cc176799426f5963ad7908
[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" "e33ad88cbd30932662799d9976f411ce7b54005217cc176799426f5963ad7908", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_concat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "e33ad88cbd30932662799d9976f411ce7b54005217cc176799426f5963ad7908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33ad88cbd30932662799d9976f411ce7b54005217cc176799426f5963ad7908", kill_on_drop: false }`
[INFO] [stdout] e33ad88cbd30932662799d9976f411ce7b54005217cc176799426f5963ad7908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a994e00a9b840b9b030539093d681802e2d3d68181970f871f0bd4956c8e804
[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" "6a994e00a9b840b9b030539093d681802e2d3d68181970f871f0bd4956c8e804", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_concat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "6a994e00a9b840b9b030539093d681802e2d3d68181970f871f0bd4956c8e804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a994e00a9b840b9b030539093d681802e2d3d68181970f871f0bd4956c8e804", kill_on_drop: false }`
[INFO] [stdout] 6a994e00a9b840b9b030539093d681802e2d3d68181970f871f0bd4956c8e804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 8eada5f5f6ab21ac09e84140f28da6e5aded8a3141bdf8b37be382cdee7d9a8c
[INFO] running `Command { std: "docker" "start" "-a" "8eada5f5f6ab21ac09e84140f28da6e5aded8a3141bdf8b37be382cdee7d9a8c", 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-2d3147fd88b35983)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test concat::tests::cow_concat_cow ... ok
[INFO] [stdout] test concat::tests::cow_concat_string ... ok
[INFO] [stdout] test concat::tests::cow_concat_str ... ok
[INFO] [stdout] test concat::tests::cow_vec_concat_slice ... 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_element_ref ... ok
[INFO] [stdout] test concat::tests::vec_concat_slice ... ok
[INFO] [stdout] test concat::tests::vec_concat_vec ... ok
[INFO] [stdout] test sliceable::test::test_string ... ok
[INFO] [stdout] test sliceable::test::test_vec_unbounded ... ok
[INFO] [stdout] test sliceable::test::test_vec_bounded ... ok
[INFO] [stdout] test tests::normalize_to_len ... ok
[INFO] [stdout] test tests::string_iter_chars ... ok
[INFO] [stdout] test tests::test_1 ... ok
[INFO] [stdout] test tests::normalize_slice ... ok
[INFO] [stdout] test tests::vec_iter ... ok
[INFO] [stdout] test tests::split_normalized_mut ... ok
[INFO] [stdout] test tests::string_iter_bytes ... 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] [stderr]    Doc-tests lazy_concat
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - LazyConcat::done (line 207) ... 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] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8eada5f5f6ab21ac09e84140f28da6e5aded8a3141bdf8b37be382cdee7d9a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eada5f5f6ab21ac09e84140f28da6e5aded8a3141bdf8b37be382cdee7d9a8c", kill_on_drop: false }`
[INFO] [stdout] 8eada5f5f6ab21ac09e84140f28da6e5aded8a3141bdf8b37be382cdee7d9a8c