[INFO] fetching crate fast_forward 0.0.2... [INFO] checking fast_forward-0.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate fast_forward 0.0.2 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate fast_forward 0.0.2 [INFO] finished tweaking crates.io crate fast_forward 0.0.2 [INFO] tweaked toml for crates.io crate fast_forward 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fast_forward 0.0.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fast_forward 0.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rstest_macros v0.18.1 [INFO] [stderr] Downloaded rstest v0.18.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9af6d6f1be0d432dd07e68983c6e5ad2bce29d96e2ffa15958a3eb54187341bc [INFO] running `Command { std: "docker" "start" "-a" "9af6d6f1be0d432dd07e68983c6e5ad2bce29d96e2ffa15958a3eb54187341bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9af6d6f1be0d432dd07e68983c6e5ad2bce29d96e2ffa15958a3eb54187341bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9af6d6f1be0d432dd07e68983c6e5ad2bce29d96e2ffa15958a3eb54187341bc", kill_on_drop: false }` [INFO] [stdout] 9af6d6f1be0d432dd07e68983c6e5ad2bce29d96e2ffa15958a3eb54187341bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a67e0a18ec45fb560621edf5da7a76755be49178b5180d72155b3212390d764 [INFO] running `Command { std: "docker" "start" "-a" "6a67e0a18ec45fb560621edf5da7a76755be49178b5180d72155b3212390d764", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.160 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling semver v1.0.17 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking plotters-svg v0.3.3 [INFO] [stderr] Compiling relative-path v1.8.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking clap_builder v4.3.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking fast_forward v0.0.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rstest_macros v0.18.1 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/index/mod.rs:29:22 [INFO] [stdout] | [INFO] [stdout] 29 | fn items<'a, I>(&'a self, indices: I) -> Items [INFO] [stdout] | ^^ ------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 29 | fn items<'a, I>(&'a self, indices: I) -> Items<'a, Self, Idx, I> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/index/view.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 54 | fn iter<'a>(&'a self) -> Box + 'a>; [INFO] [stdout] | ^^ ---------- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 54 | fn iter<'a>(&'a self) -> Box + 'a>; [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6a67e0a18ec45fb560621edf5da7a76755be49178b5180d72155b3212390d764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a67e0a18ec45fb560621edf5da7a76755be49178b5180d72155b3212390d764", kill_on_drop: false }` [INFO] [stdout] 6a67e0a18ec45fb560621edf5da7a76755be49178b5180d72155b3212390d764