[INFO] fetching crate peekable-buffer 1.0.0...
[INFO] testing peekable-buffer-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate peekable-buffer 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate peekable-buffer 1.0.0
[INFO] finished tweaking crates.io crate peekable-buffer 1.0.0
[INFO] tweaked toml for crates.io crate peekable-buffer 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peekable-buffer 1.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77429f136829400eb4b6e7e4516523a5346f1adb0e14353c780161b5fdc008e5
[INFO] running `Command { std: "docker" "start" "-a" "77429f136829400eb4b6e7e4516523a5346f1adb0e14353c780161b5fdc008e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77429f136829400eb4b6e7e4516523a5346f1adb0e14353c780161b5fdc008e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77429f136829400eb4b6e7e4516523a5346f1adb0e14353c780161b5fdc008e5", kill_on_drop: false }`
[INFO] [stdout] 77429f136829400eb4b6e7e4516523a5346f1adb0e14353c780161b5fdc008e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 11f92a9cabb73c1ad2ad841056fde30b266694ffbadcdab6b03eec2bbee1ca17
[INFO] running `Command { std: "docker" "start" "-a" "11f92a9cabb73c1ad2ad841056fde30b266694ffbadcdab6b03eec2bbee1ca17", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekable-buffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "11f92a9cabb73c1ad2ad841056fde30b266694ffbadcdab6b03eec2bbee1ca17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f92a9cabb73c1ad2ad841056fde30b266694ffbadcdab6b03eec2bbee1ca17", kill_on_drop: false }`
[INFO] [stdout] 11f92a9cabb73c1ad2ad841056fde30b266694ffbadcdab6b03eec2bbee1ca17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5d5a8a49040d66c8de20289a7116c6256b19bcc7e25b0b4ef5c7bb804ab6a560
[INFO] running `Command { std: "docker" "start" "-a" "5d5a8a49040d66c8de20289a7116c6256b19bcc7e25b0b4ef5c7bb804ab6a560", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekable-buffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5d5a8a49040d66c8de20289a7116c6256b19bcc7e25b0b4ef5c7bb804ab6a560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5a8a49040d66c8de20289a7116c6256b19bcc7e25b0b4ef5c7bb804ab6a560", kill_on_drop: false }`
[INFO] [stdout] 5d5a8a49040d66c8de20289a7116c6256b19bcc7e25b0b4ef5c7bb804ab6a560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 76b8db8c497c5d3ccf6fa0d807e42af3be18adaa62c43b95877500f5e08b327f
[INFO] running `Command { std: "docker" "start" "-a" "76b8db8c497c5d3ccf6fa0d807e42af3be18adaa62c43b95877500f5e08b327f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/peekable_buffer-4dff61fa8dcef427)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_accept ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_readme_example ... ok
[INFO] [stdout] test tests::test_shift_advance ... ok
[INFO] [stdout] test tests::test_is_at_end ... ok
[INFO] [stdout] test tests::test_slice_from ... ok
[INFO] [stdout] test tests::test_take_while_consumes_part_of_stream ... ok
[INFO] [stdout] test tests::test_take_while_predicate_consumes_no_elements ... ok
[INFO] [stdout] test tests::test_take ... ok
[INFO] [stdout] test tests::test_set_pos ... ok
[INFO] [stdout] test tests::test_take_while_predicate_consumes_entire_stream ... ok
[INFO] [stdout] test tests::test_slice_between ... ok
[INFO] [stdout] test tests::test_lookaround_peek_current ... ok
[INFO] [stdout] test tests::test_pos_consume ... ok
[INFO] [stdout] test tests::test_slice_between_panicking - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76b8db8c497c5d3ccf6fa0d807e42af3be18adaa62c43b95877500f5e08b327f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b8db8c497c5d3ccf6fa0d807e42af3be18adaa62c43b95877500f5e08b327f", kill_on_drop: false }`
[INFO] [stdout] 76b8db8c497c5d3ccf6fa0d807e42af3be18adaa62c43b95877500f5e08b327f