[INFO] fetching crate peekable-buffer 1.0.0...
[INFO] testing peekable-buffer-1.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate peekable-buffer 1.0.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peekable-buffer 1.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6034de32a951475b3db52c32627ecdfed9ce77074d9a76d2bc446fa78382d900
[INFO] running `Command { std: "docker" "start" "-a" "6034de32a951475b3db52c32627ecdfed9ce77074d9a76d2bc446fa78382d900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6034de32a951475b3db52c32627ecdfed9ce77074d9a76d2bc446fa78382d900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6034de32a951475b3db52c32627ecdfed9ce77074d9a76d2bc446fa78382d900", kill_on_drop: false }`
[INFO] [stdout] 6034de32a951475b3db52c32627ecdfed9ce77074d9a76d2bc446fa78382d900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 967b241fe99e0ba28abe3aa102016c25c9c15b7b8283b26ff8b24c0f2b724fab
[INFO] running `Command { std: "docker" "start" "-a" "967b241fe99e0ba28abe3aa102016c25c9c15b7b8283b26ff8b24c0f2b724fab", 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "967b241fe99e0ba28abe3aa102016c25c9c15b7b8283b26ff8b24c0f2b724fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967b241fe99e0ba28abe3aa102016c25c9c15b7b8283b26ff8b24c0f2b724fab", kill_on_drop: false }`
[INFO] [stdout] 967b241fe99e0ba28abe3aa102016c25c9c15b7b8283b26ff8b24c0f2b724fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a82311b0fdcd36c6d28872dca256e0e9f88369d757e25fbfd457b1859c8fbcf8
[INFO] running `Command { std: "docker" "start" "-a" "a82311b0fdcd36c6d28872dca256e0e9f88369d757e25fbfd457b1859c8fbcf8", 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "a82311b0fdcd36c6d28872dca256e0e9f88369d757e25fbfd457b1859c8fbcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82311b0fdcd36c6d28872dca256e0e9f88369d757e25fbfd457b1859c8fbcf8", kill_on_drop: false }`
[INFO] [stdout] a82311b0fdcd36c6d28872dca256e0e9f88369d757e25fbfd457b1859c8fbcf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6f2879554f9916168431e4f5967962d614f3370d47e955444e6dbf26e3d977a
[INFO] running `Command { std: "docker" "start" "-a" "f6f2879554f9916168431e4f5967962d614f3370d47e955444e6dbf26e3d977a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[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_is_at_end ... 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_shift_advance ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_pos_consume ... ok
[INFO] [stdout] test tests::test_accept ... 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_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_between ... ok
[INFO] [stdout] test tests::test_slice_from ... 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peekable_buffer
[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" "f6f2879554f9916168431e4f5967962d614f3370d47e955444e6dbf26e3d977a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f2879554f9916168431e4f5967962d614f3370d47e955444e6dbf26e3d977a", kill_on_drop: false }`
[INFO] [stdout] f6f2879554f9916168431e4f5967962d614f3370d47e955444e6dbf26e3d977a