[INFO] fetching crate extract_map 0.1.2...
[INFO] checking extract_map-0.1.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate extract_map 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate extract_map 0.1.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extract_map 0.1.2
[INFO] finished tweaking crates.io crate extract_map 0.1.2
[INFO] tweaked toml for crates.io crate extract_map 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 062c0674442433d81bf87be80c6441a75f3908887c128f9d9d5c1a331743c5fe
[INFO] running `Command { std: "docker" "start" "-a" "062c0674442433d81bf87be80c6441a75f3908887c128f9d9d5c1a331743c5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "062c0674442433d81bf87be80c6441a75f3908887c128f9d9d5c1a331743c5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062c0674442433d81bf87be80c6441a75f3908887c128f9d9d5c1a331743c5fe", kill_on_drop: false }`
[INFO] [stdout] 062c0674442433d81bf87be80c6441a75f3908887c128f9d9d5c1a331743c5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc107016691d91321105e5ed8916cbb16753c36e9773e0b532d090eb0e0e2aa
[INFO] running `Command { std: "docker" "start" "-a" "bfc107016691d91321105e5ed8916cbb16753c36e9773e0b532d090eb0e0e2aa", kill_on_drop: false }`
[INFO] [stderr]     Checking extract_map v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stdout] warning: unexpected `cfg` condition value: `typesize`
[INFO] [stdout]   --> src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg_attr(feature = "typesize", derive(typesize::TypeSize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `iter_mut` and `serde`
[INFO] [stdout]    = help: consider adding `typesize` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `with_size_hint::IteratorExt`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use with_size_hint::IteratorExt as _;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithSizeHint` is never constructed
[INFO] [stdout]  --> src/with_size_hint.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) struct WithSizeHint<I> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExt` is never used
[INFO] [stdout]   --> src/with_size_hint.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) trait IteratorExt: Iterator + Sized {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stdout] warning: unexpected `cfg` condition value: `typesize`
[INFO] [stdout]   --> src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg_attr(feature = "typesize", derive(typesize::TypeSize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `iter_mut` and `serde`
[INFO] [stdout]    = help: consider adding `typesize` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `with_size_hint::IteratorExt as _`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use with_size_hint::IteratorExt as _;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithSizeHint` is never constructed
[INFO] [stdout]  --> src/with_size_hint.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) struct WithSizeHint<I> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExt` is never used
[INFO] [stdout]   --> src/with_size_hint.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) trait IteratorExt: Iterator + Sized {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "bfc107016691d91321105e5ed8916cbb16753c36e9773e0b532d090eb0e0e2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc107016691d91321105e5ed8916cbb16753c36e9773e0b532d090eb0e0e2aa", kill_on_drop: false }`
[INFO] [stdout] bfc107016691d91321105e5ed8916cbb16753c36e9773e0b532d090eb0e0e2aa