[INFO] cloning repository https://github.com/nilaysavant/purr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilaysavant/purr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilaysavant%2Fpurr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilaysavant%2Fpurr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0970605fa5d36dee8a04a1c5c01fcde81c096bb7 [INFO] checking nilaysavant/purr against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilaysavant%2Fpurr" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/nilaysavant/purr [INFO] finished tweaking git repo https://github.com/nilaysavant/purr [INFO] tweaked toml for git repo https://github.com/nilaysavant/purr written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nilaysavant/purr on toolchain 38c2997544af84fe301d600d6896397738163002 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nilaysavant/purr 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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded encoding_rs_io v0.1.7 [INFO] [stderr] Downloaded predicates-core v1.0.3 [INFO] [stderr] Downloaded predicates-tree v1.0.5 [INFO] [stderr] Downloaded termtree v0.2.4 [INFO] [stderr] Downloaded globwalk v0.8.1 [INFO] [stderr] Downloaded clap_derive v4.0.13 [INFO] [stderr] Downloaded assert_fs v1.0.7 [INFO] [stderr] Downloaded assert_cmd v2.0.4 [INFO] [stderr] Downloaded anyhow v1.0.65 [INFO] [stderr] Downloaded ignore v0.4.18 [INFO] [stderr] Downloaded predicates v2.1.1 [INFO] [stderr] Downloaded clap v4.0.17 [INFO] [stderr] Downloaded syn v1.0.102 [INFO] [stderr] Downloaded crossbeam-utils v0.8.12 [INFO] [stderr] Downloaded libc v0.2.135 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8a76e102be0350dfa5a09b37b9c66d2b8a471bfb8de8b1c49edcc45677418f7 [INFO] running `Command { std: "docker" "start" "-a" "d8a76e102be0350dfa5a09b37b9c66d2b8a471bfb8de8b1c49edcc45677418f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8a76e102be0350dfa5a09b37b9c66d2b8a471bfb8de8b1c49edcc45677418f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8a76e102be0350dfa5a09b37b9c66d2b8a471bfb8de8b1c49edcc45677418f7", kill_on_drop: false }` [INFO] [stdout] d8a76e102be0350dfa5a09b37b9c66d2b8a471bfb8de8b1c49edcc45677418f7 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66ffa4c41f39eeaf9f9c27f551f79003e5cdac632c35263fc2cd42c8aa8bf962 [INFO] running `Command { std: "docker" "start" "-a" "66ffa4c41f39eeaf9f9c27f551f79003e5cdac632c35263fc2cd42c8aa8bf962", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling syn v1.0.102 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking num-traits v0.2.15 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap_lex v0.3.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking fastrand 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-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file` [INFO] [stdout] | [INFO] [stdout] 92 - feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] 92 + feature(proc_macro_span, proc_macro_span_file) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking float-cmp v0.9.0 [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" "66ffa4c41f39eeaf9f9c27f551f79003e5cdac632c35263fc2cd42c8aa8bf962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66ffa4c41f39eeaf9f9c27f551f79003e5cdac632c35263fc2cd42c8aa8bf962", kill_on_drop: false }` [INFO] [stdout] 66ffa4c41f39eeaf9f9c27f551f79003e5cdac632c35263fc2cd42c8aa8bf962