[INFO] fetching crate sweep-bptree 0.4.1... [INFO] checking sweep-bptree-0.4.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate sweep-bptree 0.4.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate sweep-bptree 0.4.1 [INFO] finished tweaking crates.io crate sweep-bptree 0.4.1 [INFO] tweaked toml for crates.io crate sweep-bptree 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sweep-bptree 0.4.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate sweep-bptree 0.4.1 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47aa373e00ce5cf90c632a3b6e4ef6bd9820b66e7d85eac7473bb072bc3600cb [INFO] running `Command { std: "docker" "start" "-a" "47aa373e00ce5cf90c632a3b6e4ef6bd9820b66e7d85eac7473bb072bc3600cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47aa373e00ce5cf90c632a3b6e4ef6bd9820b66e7d85eac7473bb072bc3600cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47aa373e00ce5cf90c632a3b6e4ef6bd9820b66e7d85eac7473bb072bc3600cb", kill_on_drop: false }` [INFO] [stdout] 47aa373e00ce5cf90c632a3b6e4ef6bd9820b66e7d85eac7473bb072bc3600cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c829b26bda49d34eeafc15b6381637bf2cc2bbed7ff47f8ded3609c5478f58b6 [INFO] running `Command { std: "docker" "start" "-a" "c829b26bda49d34eeafc15b6381637bf2cc2bbed7ff47f8ded3609c5478f58b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.158 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking os_str_bytes v6.5.0 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking plotters-svg v0.3.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking sweep-bptree v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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 clap v3.2.23 [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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/set.rs:203:17 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn iter(&self) -> iter::Iter { [INFO] [stdout] | ^^^^^ ------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 203 | pub fn iter(&self) -> iter::Iter<'_, K> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/tree/mod.rs:493:35 [INFO] [stdout] | [INFO] [stdout] 493 | fn key_to_ref<'a, Q: ?Sized>(&'a self, k: &Q) -> Option> [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] 493 | fn key_to_ref<'a, Q: ?Sized>(&'a self, k: &Q) -> Option> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree/mod.rs:613:17 [INFO] [stdout] | [INFO] [stdout] 613 | pub fn iter(&self) -> iterator::Iter { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 613 | pub fn iter(&self) -> iterator::Iter<'_, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c829b26bda49d34eeafc15b6381637bf2cc2bbed7ff47f8ded3609c5478f58b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c829b26bda49d34eeafc15b6381637bf2cc2bbed7ff47f8ded3609c5478f58b6", kill_on_drop: false }` [INFO] [stdout] c829b26bda49d34eeafc15b6381637bf2cc2bbed7ff47f8ded3609c5478f58b6