[INFO] fetching crate fast_forward 0.0.2... [INFO] testing fast_forward-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate fast_forward 0.0.2 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fast_forward 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65080eb77c715094e6df3d6313b72f6d46f4b38c4dd87a224d6bd2695927085c [INFO] running `Command { std: "docker" "start" "-a" "65080eb77c715094e6df3d6313b72f6d46f4b38c4dd87a224d6bd2695927085c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65080eb77c715094e6df3d6313b72f6d46f4b38c4dd87a224d6bd2695927085c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65080eb77c715094e6df3d6313b72f6d46f4b38c4dd87a224d6bd2695927085c", kill_on_drop: false }` [INFO] [stdout] 65080eb77c715094e6df3d6313b72f6d46f4b38c4dd87a224d6bd2695927085c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5fd8d13db680749cff31682fb9336a70746667e1a96ba15d313356356e36db8 [INFO] running `Command { std: "docker" "start" "-a" "a5fd8d13db680749cff31682fb9336a70746667e1a96ba15d313356356e36db8", kill_on_drop: false }` [INFO] [stderr] Compiling fast_forward v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/index/mod.rs:29:46 [INFO] [stdout] | [INFO] [stdout] 29 | fn items<'a, I>(&'a self, indices: I) -> Items [INFO] [stdout] | -- ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: 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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/index/view.rs:54:54 [INFO] [stdout] | [INFO] [stdout] 54 | fn iter<'a>(&'a self) -> Box + 'a>; [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 54 | fn iter<'a>(&'a self) -> Box + 'a>; [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "a5fd8d13db680749cff31682fb9336a70746667e1a96ba15d313356356e36db8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5fd8d13db680749cff31682fb9336a70746667e1a96ba15d313356356e36db8", kill_on_drop: false }` [INFO] [stdout] a5fd8d13db680749cff31682fb9336a70746667e1a96ba15d313356356e36db8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5fd00fe480146abb068bd7a545839f7352e19c3bc1d1ae0733c68d21740c864 [INFO] running `Command { std: "docker" "start" "-a" "a5fd00fe480146abb068bd7a545839f7352e19c3bc1d1ae0733c68d21740c864", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [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 semver v1.0.17 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling serde_derive v1.0.160 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling plotters-backend v0.3.4 [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] Compiling itoa v1.0.6 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling ciborium-io v0.2.0 [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] running `Command { std: "docker" "inspect" "a5fd00fe480146abb068bd7a545839f7352e19c3bc1d1ae0733c68d21740c864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5fd00fe480146abb068bd7a545839f7352e19c3bc1d1ae0733c68d21740c864", kill_on_drop: false }` [INFO] [stdout] a5fd00fe480146abb068bd7a545839f7352e19c3bc1d1ae0733c68d21740c864