[INFO] cloning repository https://github.com/alelouis/retrorust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alelouis/retrorust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falelouis%2Fretrorust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falelouis%2Fretrorust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeec013b08f88436ab23cc4ecaceccb1228eae6b
[INFO] checking alelouis/retrorust/aeec013b08f88436ab23cc4ecaceccb1228eae6b against master#4cf5f9580233c36f6bc8db76e282ba8a1c1ea491 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falelouis%2Fretrorust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alelouis/retrorust
[INFO] finished tweaking git repo https://github.com/alelouis/retrorust
[INFO] tweaked toml for git repo https://github.com/alelouis/retrorust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alelouis/retrorust on toolchain 4cf5f9580233c36f6bc8db76e282ba8a1c1ea491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alelouis/retrorust 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" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "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 midir v0.8.0
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded vst v0.3.0
[INFO] [stderr]   Downloaded device_query v1.1.1
[INFO] [stderr]   Downloaded coremidi-sys v3.1.0
[INFO] [stderr]   Downloaded macos-accessibility-client v0.0.1
[INFO] [stderr]   Downloaded readkey v0.1.7
[INFO] [stderr]   Downloaded readmouse v0.2.1
[INFO] [stderr]   Downloaded coremidi v0.6.0
[INFO] [stderr]   Downloaded x11 v2.20.1
[INFO] [stderr]   Downloaded orbclient v0.3.39
[INFO] [stderr]   Downloaded windows v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03dbf329622ed64e976de90ddbaf1b250f2d724c39651c5cb0d305008f20a4c1
[INFO] running `Command { std: "docker" "start" "-a" "03dbf329622ed64e976de90ddbaf1b250f2d724c39651c5cb0d305008f20a4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03dbf329622ed64e976de90ddbaf1b250f2d724c39651c5cb0d305008f20a4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03dbf329622ed64e976de90ddbaf1b250f2d724c39651c5cb0d305008f20a4c1", kill_on_drop: false }`
[INFO] [stdout] 03dbf329622ed64e976de90ddbaf1b250f2d724c39651c5cb0d305008f20a4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30cc1316c2c39f38482c93bf0728d1e7f92b07f3faee488faf2c98bdbd9f7782
[INFO] running `Command { std: "docker" "start" "-a" "30cc1316c2c39f38482c93bf0728d1e7f92b07f3faee488faf2c98bdbd9f7782", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stderr]    Compiling x11 v2.20.1
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking parking_lot_core v0.9.4
[INFO] [stderr]    Compiling device_query v1.1.1
[INFO] [stderr]    Compiling cpal v0.14.1
[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 tempfile v3.3.0
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking memalloc v0.1.0
[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" "30cc1316c2c39f38482c93bf0728d1e7f92b07f3faee488faf2c98bdbd9f7782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cc1316c2c39f38482c93bf0728d1e7f92b07f3faee488faf2c98bdbd9f7782", kill_on_drop: false }`
[INFO] [stdout] 30cc1316c2c39f38482c93bf0728d1e7f92b07f3faee488faf2c98bdbd9f7782