[INFO] fetching crate fast_forward 0.0.2... [INFO] testing fast_forward-0.0.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [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 cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rstest v0.18.1 [INFO] [stderr] Downloaded rstest_macros v0.18.1 [INFO] [stderr] Downloaded relative-path v1.8.0 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82a96fa1119eee001de530767bad9257286454853d79d5babcc533797ba95a95 [INFO] running `Command { std: "docker" "start" "-a" "82a96fa1119eee001de530767bad9257286454853d79d5babcc533797ba95a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82a96fa1119eee001de530767bad9257286454853d79d5babcc533797ba95a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82a96fa1119eee001de530767bad9257286454853d79d5babcc533797ba95a95", kill_on_drop: false }` [INFO] [stdout] 82a96fa1119eee001de530767bad9257286454853d79d5babcc533797ba95a95 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b3c9bcd5363715e3aab0623a8542470835ef08109972b42a68903d28034314f [INFO] running `Command { std: "docker" "start" "-a" "6b3c9bcd5363715e3aab0623a8542470835ef08109972b42a68903d28034314f", 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 0.48s [INFO] running `Command { std: "docker" "inspect" "6b3c9bcd5363715e3aab0623a8542470835ef08109972b42a68903d28034314f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b3c9bcd5363715e3aab0623a8542470835ef08109972b42a68903d28034314f", kill_on_drop: false }` [INFO] [stdout] 6b3c9bcd5363715e3aab0623a8542470835ef08109972b42a68903d28034314f [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 540dee9f978a3a6aae67225afbb00bb73193e39b665d34f1f1cbdff4dcbdfd4a [INFO] running `Command { std: "docker" "start" "-a" "540dee9f978a3a6aae67225afbb00bb73193e39b665d34f1f1cbdff4dcbdfd4a", 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 semver v1.0.17 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Compiling ciborium-io v0.2.0 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling anstyle v1.0.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling relative-path v1.8.0 [INFO] [stderr] Compiling ciborium-ll v0.2.0 [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] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling clap_builder v4.3.0 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling plotters-svg v0.3.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling once_cell v1.17.1 [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" "540dee9f978a3a6aae67225afbb00bb73193e39b665d34f1f1cbdff4dcbdfd4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "540dee9f978a3a6aae67225afbb00bb73193e39b665d34f1f1cbdff4dcbdfd4a", kill_on_drop: false }` [INFO] [stdout] 540dee9f978a3a6aae67225afbb00bb73193e39b665d34f1f1cbdff4dcbdfd4a