[INFO] fetching crate fast_forward 0.0.2... [INFO] testing fast_forward-0.0.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate fast_forward 0.0.2 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fast_forward 0.0.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90a95682234049cfd4f2897ce20e928295bd7604fea25c43a13e74fb37829a68 [INFO] running `Command { std: "docker" "start" "-a" "90a95682234049cfd4f2897ce20e928295bd7604fea25c43a13e74fb37829a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90a95682234049cfd4f2897ce20e928295bd7604fea25c43a13e74fb37829a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90a95682234049cfd4f2897ce20e928295bd7604fea25c43a13e74fb37829a68", kill_on_drop: false }` [INFO] [stdout] 90a95682234049cfd4f2897ce20e928295bd7604fea25c43a13e74fb37829a68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d21cee61cac5920e04f4f1732638580a218ca7649ff40738070bdcd84d5d2a68 [INFO] running `Command { std: "docker" "start" "-a" "d21cee61cac5920e04f4f1732638580a218ca7649ff40738070bdcd84d5d2a68", 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:29:22 [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:54:18 [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 0.54s [INFO] running `Command { std: "docker" "inspect" "d21cee61cac5920e04f4f1732638580a218ca7649ff40738070bdcd84d5d2a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d21cee61cac5920e04f4f1732638580a218ca7649ff40738070bdcd84d5d2a68", kill_on_drop: false }` [INFO] [stdout] d21cee61cac5920e04f4f1732638580a218ca7649ff40738070bdcd84d5d2a68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdb747e85ba1e6224edb4603691529a6eb8a1a1a9330167216344db36c53187a [INFO] running `Command { std: "docker" "start" "-a" "fdb747e85ba1e6224edb4603691529a6eb8a1a1a9330167216344db36c53187a", 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 memchr v2.5.0 [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 futures-core v0.3.28 [INFO] [stderr] Compiling serde_derive v1.0.160 [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 serde v1.0.160 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [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] [stderr] Compiling ciborium-io v0.2.0 [INFO] [stderr] Compiling clap_lex v0.5.0 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling anstyle v1.0.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling relative-path v1.8.0 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling rstest_macros v0.18.1 [INFO] [stderr] Compiling clap_builder v4.3.0 [INFO] [stderr] Compiling plotters-svg v0.3.3 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling ciborium-ll v0.2.0 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [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" "fdb747e85ba1e6224edb4603691529a6eb8a1a1a9330167216344db36c53187a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdb747e85ba1e6224edb4603691529a6eb8a1a1a9330167216344db36c53187a", kill_on_drop: false }` [INFO] [stdout] fdb747e85ba1e6224edb4603691529a6eb8a1a1a9330167216344db36c53187a