[INFO] fetching crate double-ended-peekable 0.1.0...
[INFO] testing double-ended-peekable-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate double-ended-peekable 0.1.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate double-ended-peekable 0.1.0 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8deef4efd53ca141c52ca7034677a2ef2e504f67b03770d64f9c90057e124ae7
[INFO] running `Command { std: "docker" "start" "-a" "8deef4efd53ca141c52ca7034677a2ef2e504f67b03770d64f9c90057e124ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8deef4efd53ca141c52ca7034677a2ef2e504f67b03770d64f9c90057e124ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8deef4efd53ca141c52ca7034677a2ef2e504f67b03770d64f9c90057e124ae7", kill_on_drop: false }`
[INFO] [stdout] 8deef4efd53ca141c52ca7034677a2ef2e504f67b03770d64f9c90057e124ae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cce47ca11e089b4068dd6a166e097510bdfda641de4861eba43462982ff2054f
[INFO] running `Command { std: "docker" "start" "-a" "cce47ca11e089b4068dd6a166e097510bdfda641de4861eba43462982ff2054f", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "cce47ca11e089b4068dd6a166e097510bdfda641de4861eba43462982ff2054f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce47ca11e089b4068dd6a166e097510bdfda641de4861eba43462982ff2054f", kill_on_drop: false }`
[INFO] [stdout] cce47ca11e089b4068dd6a166e097510bdfda641de4861eba43462982ff2054f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d4e5ae8f4e493ae1ab428aeaae28e3590865bbadb48c2f65739e6487189a2879
[INFO] running `Command { std: "docker" "start" "-a" "d4e5ae8f4e493ae1ab428aeaae28e3590865bbadb48c2f65739e6487189a2879", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "d4e5ae8f4e493ae1ab428aeaae28e3590865bbadb48c2f65739e6487189a2879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e5ae8f4e493ae1ab428aeaae28e3590865bbadb48c2f65739e6487189a2879", kill_on_drop: false }`
[INFO] [stdout] d4e5ae8f4e493ae1ab428aeaae28e3590865bbadb48c2f65739e6487189a2879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 06755e16f62185d34a2e914ad4dd34254cdee4ed7e7f5803f42af5e1978a851a
[INFO] running `Command { std: "docker" "start" "-a" "06755e16f62185d34a2e914ad4dd34254cdee4ed7e7f5803f42af5e1978a851a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/double_ended_peekable-31920fcc7f37896f)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::debug ... 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_back_if_eq ... ok
[INFO] [stdout] test tests::next_front_back_if_eq ... ok
[INFO] [stdout] test tests::next_front_back_if_even ... ok
[INFO] [stdout] test tests::next_front_back_if_odd ... ok
[INFO] [stdout] test tests::next_if ... ok
[INFO] [stdout] test tests::next_if_eq ... 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_back_mut ... ok
[INFO] [stdout] test tests::peek_and_peek_back_forward ... ok
[INFO] [stdout] test tests::peek_back ... ok
[INFO] [stdout] test tests::size_hint ... ok
[INFO] [stdout] test tests::peek_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06755e16f62185d34a2e914ad4dd34254cdee4ed7e7f5803f42af5e1978a851a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06755e16f62185d34a2e914ad4dd34254cdee4ed7e7f5803f42af5e1978a851a", kill_on_drop: false }`
[INFO] [stdout] 06755e16f62185d34a2e914ad4dd34254cdee4ed7e7f5803f42af5e1978a851a