[INFO] fetching crate strchunk 0.4.0...
[INFO] testing strchunk-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate strchunk 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate strchunk 0.4.0 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 strchunk 0.4.0
[INFO] finished tweaking crates.io crate strchunk 0.4.0
[INFO] tweaked toml for crates.io crate strchunk 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate strchunk 0.4.0 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e5d28f3135c9218f63c3e54737f0e5b33cc0ddce07a6f5e7c598b5c3685a8095
[INFO] running `Command { std: "docker" "start" "-a" "e5d28f3135c9218f63c3e54737f0e5b33cc0ddce07a6f5e7c598b5c3685a8095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5d28f3135c9218f63c3e54737f0e5b33cc0ddce07a6f5e7c598b5c3685a8095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d28f3135c9218f63c3e54737f0e5b33cc0ddce07a6f5e7c598b5c3685a8095", kill_on_drop: false }`
[INFO] [stdout] e5d28f3135c9218f63c3e54737f0e5b33cc0ddce07a6f5e7c598b5c3685a8095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c493ada42b0dbee798e8d19422b6787975715fc73332d84410f204c877028269
[INFO] running `Command { std: "docker" "start" "-a" "c493ada42b0dbee798e8d19422b6787975715fc73332d84410f204c877028269", kill_on_drop: false }`
[INFO] [stderr]    Compiling range-split v0.4.0
[INFO] [stderr]    Compiling strchunk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "c493ada42b0dbee798e8d19422b6787975715fc73332d84410f204c877028269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c493ada42b0dbee798e8d19422b6787975715fc73332d84410f204c877028269", kill_on_drop: false }`
[INFO] [stdout] c493ada42b0dbee798e8d19422b6787975715fc73332d84410f204c877028269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1402e1255212574cc37ce8765018f9902622ebee4352237d2dc84a1a0553da4d
[INFO] running `Command { std: "docker" "start" "-a" "1402e1255212574cc37ce8765018f9902622ebee4352237d2dc84a1a0553da4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling strchunk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.09s
[INFO] running `Command { std: "docker" "inspect" "1402e1255212574cc37ce8765018f9902622ebee4352237d2dc84a1a0553da4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1402e1255212574cc37ce8765018f9902622ebee4352237d2dc84a1a0553da4d", kill_on_drop: false }`
[INFO] [stdout] 1402e1255212574cc37ce8765018f9902622ebee4352237d2dc84a1a0553da4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 1b393c94d8fb5f406b37f9b5e43bff757856ad62cc9e89d65a9e12efb9df2868
[INFO] running `Command { std: "docker" "start" "-a" "1b393c94d8fb5f406b37f9b5e43bff757856ad62cc9e89d65a9e12efb9df2868", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strchunk-3864aee8b27ed86e)
[INFO] [stdout] 
[INFO] [stdout] running 107 tests
[INFO] [stdout] test impls::tests::eq::chunk::cow_owned ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::cow_owned ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::string ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::chunk_mut ... ok
[INFO] [stdout] test impls::tests::eq::chunk::string ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::chunk ... ok
[INFO] [stdout] test impls::tests::eq::chunk::chunk_mut ... ok
[INFO] [stdout] test impls::tests::eq::chunk::chunk ... ok
[INFO] [stdout] test chunk_mut::tests::as_bytes_via_deref ... ok
[INFO] [stdout] test impls::tests::eq::chunk::str ... ok
[INFO] [stdout] test chunk::tests::as_bytes_via_deref ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::str_ref ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::cow_borrowed ... ok
[INFO] [stdout] test chunk_mut::tests::as_bytes_mut_via_deref_mut ... ok
[INFO] [stdout] test impls::tests::eq::chunk::str_ref ... ok
[INFO] [stdout] test impls::tests::hash::chunk::same_as_str ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::str ... ok
[INFO] [stdout] test impls::tests::eq::chunk::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::hash::chunk_mut::same_as_str ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::str ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::string ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::str ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::string ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::str_ref ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::str_ref ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::chunk_mut ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::str ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::chunk_mut ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::chunk_mut ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::chunk ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::str_ref ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::chunk ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::chunk_mut ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::string ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::chunk ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::chunk ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::str ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::from_start ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::string ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::from_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::from_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_inclusive_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::from_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::from_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::full ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::str_ref ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::from_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::from_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::full ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_inclusive_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::from_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::full ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::from_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::from_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::to_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::from_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::from_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::to_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::to_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::to_inclusive_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::to_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::full ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::to_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::to_inclusive_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::to_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::to_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::to_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_split_utf8_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_oob_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_split_utf8_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_oob_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_oob_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_oob_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_oob_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_oob_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_split_utf8_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_split_utf8_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_split_utf8_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_split_utf8_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_oob_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_oob_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_split_utf8_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_split_utf8_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_split_utf8_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_split_utf8_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_split_utf8_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_oob_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_oob_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_split_utf8_inclusive_end - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_oob_start - should panic ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_oob_end - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 107 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests strchunk
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/chunk.rs - chunk::StrChunk::slice_ref (line 189) ... ok
[INFO] [stdout] test src/chunk.rs - chunk::StrChunk::slice (line 157) ... ok
[INFO] [stdout] test src/chunk.rs - chunk::StrChunk::extract_utf8 (line 89) ... ok
[INFO] [stdout] test src/chunk.rs - chunk::ExtractUtf8Error (line 336) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b393c94d8fb5f406b37f9b5e43bff757856ad62cc9e89d65a9e12efb9df2868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b393c94d8fb5f406b37f9b5e43bff757856ad62cc9e89d65a9e12efb9df2868", kill_on_drop: false }`
[INFO] [stdout] 1b393c94d8fb5f406b37f9b5e43bff757856ad62cc9e89d65a9e12efb9df2868