[INFO] cloning repository https://github.com/Bodleum/song_sheet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bodleum/song_sheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBodleum%2Fsong_sheet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBodleum%2Fsong_sheet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e26d44594613abc3aef37a3ac045a4b013a53a3
[INFO] checking Bodleum/song_sheet against master#3f6250a7bb79e600d9036bbc7c8f65af43933643 for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBodleum%2Fsong_sheet" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bodleum/song_sheet
[INFO] finished tweaking git repo https://github.com/Bodleum/song_sheet
[INFO] tweaked toml for git repo https://github.com/Bodleum/song_sheet written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bodleum/song_sheet on toolchain 3f6250a7bb79e600d9036bbc7c8f65af43933643
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bodleum/song_sheet 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" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.7.3
[INFO] [stderr]   Downloaded syn v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 659c5c24c5a561b36e6668d50022288464a798a73e90b35671cf3fabf1343466
[INFO] running `Command { std: "docker" "start" "-a" "659c5c24c5a561b36e6668d50022288464a798a73e90b35671cf3fabf1343466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659c5c24c5a561b36e6668d50022288464a798a73e90b35671cf3fabf1343466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659c5c24c5a561b36e6668d50022288464a798a73e90b35671cf3fabf1343466", kill_on_drop: false }`
[INFO] [stdout] 659c5c24c5a561b36e6668d50022288464a798a73e90b35671cf3fabf1343466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03032eec7ead999bcc11d9557f6943639ce1364bf955a11e925b41f22fdec941
[INFO] running `Command { std: "docker" "start" "-a" "03032eec7ead999bcc11d9557f6943639ce1364bf955a11e925b41f22fdec941", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.36.10
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking winnow v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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] [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" "03032eec7ead999bcc11d9557f6943639ce1364bf955a11e925b41f22fdec941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03032eec7ead999bcc11d9557f6943639ce1364bf955a11e925b41f22fdec941", kill_on_drop: false }`
[INFO] [stdout] 03032eec7ead999bcc11d9557f6943639ce1364bf955a11e925b41f22fdec941
