[INFO] fetching crate music-player-discovery 0.1.3...
[INFO] checking music-player-discovery-0.1.3 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate music-player-discovery 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate music-player-discovery 0.1.3
[INFO] finished tweaking crates.io crate music-player-discovery 0.1.3
[INFO] tweaked toml for crates.io crate music-player-discovery 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate music-player-discovery 0.1.3 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate music-player-discovery 0.1.3 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_generator v2.5.5
[INFO] [stderr]   Downloaded mdns-sd v0.5.10
[INFO] [stderr]   Downloaded async-executor v1.5.0
[INFO] [stderr]   Downloaded pest_derive v2.5.5
[INFO] [stderr]   Downloaded uuid v1.3.0
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded if-addrs v0.7.0
[INFO] [stderr]   Downloaded libmdns v0.7.4
[INFO] [stderr]   Downloaded async-lock v2.6.0
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded async-process v1.6.0
[INFO] [stderr]   Downloaded pest v2.5.5
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded music-player-settings v0.1.6
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded mdns v3.0.0
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded pest_meta v2.5.5
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 068c773ef09db5751ed1b8776cd61533cd6070b4f3801e5e016867e009c3a564
[INFO] running `Command { std: "docker" "start" "-a" "068c773ef09db5751ed1b8776cd61533cd6070b4f3801e5e016867e009c3a564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "068c773ef09db5751ed1b8776cd61533cd6070b4f3801e5e016867e009c3a564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068c773ef09db5751ed1b8776cd61533cd6070b4f3801e5e016867e009c3a564", kill_on_drop: false }`
[INFO] [stdout] 068c773ef09db5751ed1b8776cd61533cd6070b4f3801e5e016867e009c3a564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af696e0ce3b1b900cf65cccd6c0b8a4aa72433a6482b3767cee7303594a1b27d
[INFO] running `Command { std: "docker" "start" "-a" "af696e0ce3b1b900cf65cccd6c0b8a4aa72433a6482b3767cee7303594a1b27d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 parking_lot_core v0.9.7
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[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" "af696e0ce3b1b900cf65cccd6c0b8a4aa72433a6482b3767cee7303594a1b27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af696e0ce3b1b900cf65cccd6c0b8a4aa72433a6482b3767cee7303594a1b27d", kill_on_drop: false }`
[INFO] [stdout] af696e0ce3b1b900cf65cccd6c0b8a4aa72433a6482b3767cee7303594a1b27d
