[INFO] cloning repository https://github.com/berwyn/ferroboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berwyn/ferroboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fferroboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fferroboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1afff35c3ba8d43dd3a8302647f648bb672c8751
[INFO] checking berwyn/ferroboy against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fferroboy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/berwyn/ferroboy
[INFO] finished tweaking git repo https://github.com/berwyn/ferroboy
[INFO] tweaked toml for git repo https://github.com/berwyn/ferroboy written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/berwyn/ferroboy on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/berwyn/ferroboy 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded unic-langid v0.9.0
[INFO] [stderr]   Downloaded simple_logger v1.13.0
[INFO] [stderr]   Downloaded rental-impl v0.5.5
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded jane-eyre v0.3.0
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] [stderr]   Downloaded associative-cache v1.0.1
[INFO] [stderr]   Downloaded system-deps v1.3.2
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded futures-macro v0.3.17
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded type-map v0.4.0
[INFO] [stderr]   Downloaded piet-web v0.3.1
[INFO] [stderr]   Downloaded const_fn v0.4.8
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded intl-memoizer v0.5.1
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.1
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded utf16_lit v1.0.1
[INFO] [stderr]   Downloaded fluent-bundle v0.12.0
[INFO] [stderr]   Downloaded piet-common v0.3.2
[INFO] [stderr]   Downloaded druid-derive v0.4.0
[INFO] [stderr]   Downloaded libretro-backend v0.2.1
[INFO] [stderr]   Downloaded piet-cairo v0.3.0
[INFO] [stderr]   Downloaded futures-executor v0.3.17
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.18
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded rental v0.5.6
[INFO] [stderr]   Downloaded gobject-sys v0.10.0
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded tinystr v0.3.4
[INFO] [stderr]   Downloaded unic-bidi v0.9.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded keyboard-types v0.5.0
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded piet-direct2d v0.3.0
[INFO] [stderr]   Downloaded piet-coregraphics v0.3.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.3
[INFO] [stderr]   Downloaded glib-sys v0.10.1
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] [stderr]   Downloaded libretro-sys v0.1.1
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded addr2line v0.16.0
[INFO] [stderr]   Downloaded kurbo v0.7.1
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded fluent-syntax v0.9.3
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded backtrace v0.3.62
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded xi-unicode v0.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.68
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded druid-shell v0.7.0
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded syn v2.0.2
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded druid v0.7.0
[INFO] [stderr]   Downloaded piet v0.3.1
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded gimli v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162
[INFO] running `Command { std: "docker" "start" "e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[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] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[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" "e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162", kill_on_drop: false }`
[INFO] [stdout] e22e6694061eabe4f797cad329694501a4a8e591212446751113c5080a495162
