[INFO] fetching crate strchunk 0.3.0...
[INFO] testing strchunk-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate strchunk 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate strchunk 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strchunk 0.3.0
[INFO] finished tweaking crates.io crate strchunk 0.3.0
[INFO] tweaked toml for crates.io crate strchunk 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate strchunk 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v0.3.2
[INFO] [stderr]   Downloaded range-split v0.3.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2c43b0e2f130ad75c088926b959c9ebf7b7d795858c11669ec625552c965a19
[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" "f2c43b0e2f130ad75c088926b959c9ebf7b7d795858c11669ec625552c965a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2c43b0e2f130ad75c088926b959c9ebf7b7d795858c11669ec625552c965a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c43b0e2f130ad75c088926b959c9ebf7b7d795858c11669ec625552c965a19", kill_on_drop: false }`
[INFO] [stdout] f2c43b0e2f130ad75c088926b959c9ebf7b7d795858c11669ec625552c965a19
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3240a808c83a5a7473d4d4e76846fc2f052f6d3328c5baa4729b75d0ddb881a
[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" "d3240a808c83a5a7473d4d4e76846fc2f052f6d3328c5baa4729b75d0ddb881a", kill_on_drop: false }`
[INFO] [stderr]    Compiling range-split v0.3.0
[INFO] [stderr]    Compiling strchunk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "d3240a808c83a5a7473d4d4e76846fc2f052f6d3328c5baa4729b75d0ddb881a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3240a808c83a5a7473d4d4e76846fc2f052f6d3328c5baa4729b75d0ddb881a", kill_on_drop: false }`
[INFO] [stdout] d3240a808c83a5a7473d4d4e76846fc2f052f6d3328c5baa4729b75d0ddb881a
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3ec9b1365e1b073c43cee2cb357d0a0087575e4ada28509b25d3d50624cdfaf
[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" "b3ec9b1365e1b073c43cee2cb357d0a0087575e4ada28509b25d3d50624cdfaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling tokio v0.3.2
[INFO] [stderr]    Compiling pin-project v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.7
[INFO] [stderr]    Compiling futures-executor v0.3.7
[INFO] [stderr]    Compiling futures v0.3.7
[INFO] [stderr]    Compiling strchunk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.36s
[INFO] running `Command { std: "docker" "inspect" "b3ec9b1365e1b073c43cee2cb357d0a0087575e4ada28509b25d3d50624cdfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ec9b1365e1b073c43cee2cb357d0a0087575e4ada28509b25d3d50624cdfaf", kill_on_drop: false }`
[INFO] [stdout] b3ec9b1365e1b073c43cee2cb357d0a0087575e4ada28509b25d3d50624cdfaf
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] cb6930a799089beb1e079d9fb24f716d6a2ecb10277113d5cab4e7c13afe4f1b
[INFO] running `Command { std: "docker" "start" "-a" "cb6930a799089beb1e079d9fb24f716d6a2ecb10277113d5cab4e7c13afe4f1b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/strchunk-c39d79f74b4b2a6a
[INFO] [stdout] 
[INFO] [stdout] running 107 tests
[INFO] [stdout] test chunk::tests::as_bytes_via_deref ... ok
[INFO] [stdout] test chunk_mut::tests::as_bytes_mut_via_deref_mut ... ok
[INFO] [stdout] test impls::tests::hash::chunk::same_as_str ... ok
[INFO] [stdout] test impls::tests::hash::chunk_mut::same_as_str ... ok
[INFO] [stdout] test chunk_mut::tests::as_bytes_via_deref ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::chunk ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::chunk_mut ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::str ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::str_ref ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk::string ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::chunk ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::string ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::chunk_mut ... 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::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::str_ref ... ok
[INFO] [stdout] test impls::tests::ord::equal::chunk_mut::string ... 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::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::str ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk::str_ref ... 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::unequal::chunk_mut::chunk_mut ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::cow_owned ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::str ... ok
[INFO] [stdout] test impls::tests::ord::unequal::chunk_mut::str_ref ... 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::from_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::from_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::full ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::str ... ok
[INFO] [stdout] test impls::tests::eq::chunk::chunk ... ok
[INFO] [stdout] test impls::tests::eq::chunk::str_ref ... ok
[INFO] [stdout] test impls::tests::eq::chunk::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::eq::chunk::str ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::str_ref ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::chunk_mut ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::cow_borrowed ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::cow_owned ... ok
[INFO] [stdout] test impls::tests::eq::chunk::string ... ok
[INFO] [stdout] test impls::tests::eq::chunk::cow_owned ... ok
[INFO] [stdout] test impls::tests::eq::chunk::chunk_mut ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_inclusive_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_inclusive_end ... ok
[INFO] [stdout] test impls::tests::eq::chunk_mut::chunk ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::to_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::from_end ... 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::take_range::from_start ... 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_end ... 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_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::from_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::to_mid ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::from_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::full ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_oob_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_oob_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_oob_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_split_utf8_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_split_utf8_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::remove_range::panics_on_split_utf8_start ... 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::remove_range::panics_on_split_utf8_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_oob_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::take_range::from_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_oob_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_oob_end ... 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::panics_on_oob_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::to_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::from_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_oob_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_oob_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_split_utf8_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_split_utf8_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_oob_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_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_end ... 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::remove_range::panics_on_oob_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_oob_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_split_utf8_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk::take_range::panics_on_split_utf8_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_split_utf8_start ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_split_utf8_inclusive_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::remove_range::panics_on_split_utf8_end ... ok
[INFO] [stdout] test impls::tests::take_range::chunk_mut::take_range::panics_on_split_utf8_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 107 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests strchunk
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/chunk.rs - chunk::StrChunk::slice (line 157) ... ok
[INFO] [stdout] test src/chunk.rs - chunk::StrChunk::slice_ref (line 189) ... 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 1.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb6930a799089beb1e079d9fb24f716d6a2ecb10277113d5cab4e7c13afe4f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6930a799089beb1e079d9fb24f716d6a2ecb10277113d5cab4e7c13afe4f1b", kill_on_drop: false }`
[INFO] [stdout] cb6930a799089beb1e079d9fb24f716d6a2ecb10277113d5cab4e7c13afe4f1b