[INFO] fetching crate double-ended-peekable 0.1.0...
[INFO] testing double-ended-peekable-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate double-ended-peekable 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate double-ended-peekable 0.1.0
[INFO] finished tweaking crates.io crate double-ended-peekable 0.1.0
[INFO] tweaked toml for crates.io crate double-ended-peekable 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate double-ended-peekable 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9efe8f745000d4666c41caeabbaae2cd1c5859f4d9acb29545b5bcbb5fa70a66
[INFO] running `Command { std: "docker" "start" "-a" "9efe8f745000d4666c41caeabbaae2cd1c5859f4d9acb29545b5bcbb5fa70a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9efe8f745000d4666c41caeabbaae2cd1c5859f4d9acb29545b5bcbb5fa70a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efe8f745000d4666c41caeabbaae2cd1c5859f4d9acb29545b5bcbb5fa70a66", kill_on_drop: false }`
[INFO] [stdout] 9efe8f745000d4666c41caeabbaae2cd1c5859f4d9acb29545b5bcbb5fa70a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04bd2a2816da960964c508fa841178cb39844eb8f5147131072bcc33d8d1456e
[INFO] running `Command { std: "docker" "start" "-a" "04bd2a2816da960964c508fa841178cb39844eb8f5147131072bcc33d8d1456e", kill_on_drop: false }`
[INFO] [stderr]    Compiling double-ended-peekable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "04bd2a2816da960964c508fa841178cb39844eb8f5147131072bcc33d8d1456e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bd2a2816da960964c508fa841178cb39844eb8f5147131072bcc33d8d1456e", kill_on_drop: false }`
[INFO] [stdout] 04bd2a2816da960964c508fa841178cb39844eb8f5147131072bcc33d8d1456e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b988d7a5d24068ccc2095aaed15b1175c9d0829249df4737d2beffd2b65ecc0b
[INFO] running `Command { std: "docker" "start" "-a" "b988d7a5d24068ccc2095aaed15b1175c9d0829249df4737d2beffd2b65ecc0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling double-ended-peekable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "b988d7a5d24068ccc2095aaed15b1175c9d0829249df4737d2beffd2b65ecc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b988d7a5d24068ccc2095aaed15b1175c9d0829249df4737d2beffd2b65ecc0b", kill_on_drop: false }`
[INFO] [stdout] b988d7a5d24068ccc2095aaed15b1175c9d0829249df4737d2beffd2b65ecc0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d418751732331d1634a6167e69e06ea644fde01867e2e129a9f03d2c90f4eb14
[INFO] running `Command { std: "docker" "start" "-a" "d418751732331d1634a6167e69e06ea644fde01867e2e129a9f03d2c90f4eb14", 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/double_ended_peekable-398661ebc257eeb4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests double_ended_peekable
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::double_ended_iterator ... ok
[INFO] [stdout] test tests::iterator ... ok
[INFO] [stdout] test tests::hash ... ok
[INFO] [stdout] test tests::next_back_if ... ok
[INFO] [stdout] test tests::next_front_back_if_eq ... ok
[INFO] [stdout] test tests::next_back_if_eq ... ok
[INFO] [stdout] test tests::debug ... ok
[INFO] [stdout] test tests::next_front_back_if_even ... ok
[INFO] [stdout] test tests::next_if_eq ... ok
[INFO] [stdout] test tests::next_if ... ok
[INFO] [stdout] test tests::partial_eq ... ok
[INFO] [stdout] test tests::peek ... ok
[INFO] [stdout] test tests::peek_and_peek_back_backward ... ok
[INFO] [stdout] test tests::peek_and_peek_back_forward ... ok
[INFO] [stdout] test tests::next_front_back_if_odd ... ok
[INFO] [stdout] test tests::peek_back ... ok
[INFO] [stdout] test tests::peek_back_mut ... ok
[INFO] [stdout] test tests::peek_mut ... ok
[INFO] [stdout] test tests::size_hint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_back_if (line 264) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_front_back_if_eq (line 378) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::peek_back (line 182) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::peek_back_mut (line 229) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_back_if (line 278) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_back_if_eq (line 303) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_front_back_if (line 347) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_front_back_if (line 332) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d418751732331d1634a6167e69e06ea644fde01867e2e129a9f03d2c90f4eb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d418751732331d1634a6167e69e06ea644fde01867e2e129a9f03d2c90f4eb14", kill_on_drop: false }`
[INFO] [stdout] d418751732331d1634a6167e69e06ea644fde01867e2e129a9f03d2c90f4eb14