[INFO] fetching crate peekable-buffer 1.0.0...
[INFO] testing peekable-buffer-1.0.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate peekable-buffer 1.0.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate peekable-buffer 1.0.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b147b89702ad239232b6d1a89b796de3a9b3327ecd68b9a2ec8634fcfc3352f
[INFO] running `Command { std: "docker" "start" "-a" "1b147b89702ad239232b6d1a89b796de3a9b3327ecd68b9a2ec8634fcfc3352f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b147b89702ad239232b6d1a89b796de3a9b3327ecd68b9a2ec8634fcfc3352f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b147b89702ad239232b6d1a89b796de3a9b3327ecd68b9a2ec8634fcfc3352f", kill_on_drop: false }`
[INFO] [stdout] 1b147b89702ad239232b6d1a89b796de3a9b3327ecd68b9a2ec8634fcfc3352f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b49c72b39447f0da9445d009860c3ef45071a456319d131567eab5717a6f2c0c
[INFO] running `Command { std: "docker" "start" "-a" "b49c72b39447f0da9445d009860c3ef45071a456319d131567eab5717a6f2c0c", 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 0.12s
[INFO] running `Command { std: "docker" "inspect" "b49c72b39447f0da9445d009860c3ef45071a456319d131567eab5717a6f2c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49c72b39447f0da9445d009860c3ef45071a456319d131567eab5717a6f2c0c", kill_on_drop: false }`
[INFO] [stdout] b49c72b39447f0da9445d009860c3ef45071a456319d131567eab5717a6f2c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ffe8c2a8b29bbe9ac4c7bf6d2df52e0e2671b49abd35539bb8acd647eb8d43
[INFO] running `Command { std: "docker" "start" "-a" "01ffe8c2a8b29bbe9ac4c7bf6d2df52e0e2671b49abd35539bb8acd647eb8d43", 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 0.82s
[INFO] running `Command { std: "docker" "inspect" "01ffe8c2a8b29bbe9ac4c7bf6d2df52e0e2671b49abd35539bb8acd647eb8d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ffe8c2a8b29bbe9ac4c7bf6d2df52e0e2671b49abd35539bb8acd647eb8d43", kill_on_drop: false }`
[INFO] [stdout] 01ffe8c2a8b29bbe9ac4c7bf6d2df52e0e2671b49abd35539bb8acd647eb8d43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22f57109cf9d00304e9c4327677509987b59502997d783aae097c42d69ce243c
[INFO] running `Command { std: "docker" "start" "-a" "22f57109cf9d00304e9c4327677509987b59502997d783aae097c42d69ce243c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/peekable_buffer-57ed14b797fceb09)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_pos_consume ... ok
[INFO] [stdout] test tests::test_accept ... ok
[INFO] [stdout] test tests::test_is_at_end ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_lookaround_peek_current ... ok
[INFO] [stdout] test tests::test_readme_example ... 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_take_while_predicate_consumes_no_elements ... ok
[INFO] [stdout] test tests::test_slice_from ... ok
[INFO] [stdout] test tests::test_take ... ok
[INFO] [stdout] test tests::test_take_while_consumes_part_of_stream ... ok
[INFO] [stdout] test tests::test_slice_between ... ok
[INFO] [stdout] test tests::test_shift_advance ... ok
[INFO] [stderr]    Doc-tests peekable_buffer
[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 0.23s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22f57109cf9d00304e9c4327677509987b59502997d783aae097c42d69ce243c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f57109cf9d00304e9c4327677509987b59502997d783aae097c42d69ce243c", kill_on_drop: false }`
[INFO] [stdout] 22f57109cf9d00304e9c4327677509987b59502997d783aae097c42d69ce243c