[INFO] cloning repository https://github.com/superwhiskers/layer-cake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/superwhiskers/layer-cake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperwhiskers%2Flayer-cake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperwhiskers%2Flayer-cake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f6a95d91b1af368590208296cc9b44304cf3929
[INFO] testing superwhiskers/layer-cake against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperwhiskers%2Flayer-cake" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/superwhiskers/layer-cake
[INFO] finished tweaking git repo https://github.com/superwhiskers/layer-cake
[INFO] tweaked toml for git repo https://github.com/superwhiskers/layer-cake written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/superwhiskers/layer-cake on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/superwhiskers/layer-cake 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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] 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] warning: /workspace/builds/worker-3-tc1/source/lib/core/Cargo.toml: unused manifest key: dependencies.futures.feaures
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-trait v0.5.1
[INFO] [stderr]   Downloaded simd-json-derive-int v0.7.0
[INFO] [stderr]   Downloaded i18n-config v0.4.3
[INFO] [stderr]   Downloaded tinystr v0.7.1
[INFO] [stderr]   Downloaded typetag v0.2.6
[INFO] [stderr]   Downloaded glib-macros v0.17.3
[INFO] [stderr]   Downloaded erased-serde v0.3.25
[INFO] [stderr]   Downloaded libadwaita-sys v0.3.0
[INFO] [stderr]   Downloaded ghost v0.1.8
[INFO] [stderr]   Downloaded i18n-embed-impl v0.8.0
[INFO] [stderr]   Downloaded graphene-rs v0.17.1
[INFO] [stderr]   Downloaded type-map v0.4.0
[INFO] [stderr]   Downloaded self_cell v0.10.2
[INFO] [stderr]   Downloaded gsk4 v0.6.2
[INFO] [stderr]   Downloaded serde_with v2.2.0
[INFO] [stderr]   Downloaded toml_edit v0.19.4
[INFO] [stderr]   Downloaded pango v0.17.0
[INFO] [stderr]   Downloaded libadwaita v0.3.1
[INFO] [stderr]   Downloaded gdk4 v0.6.2
[INFO] [stderr]   Downloaded kangarootwelve_xkcp v0.1.5
[INFO] [stderr]   Downloaded gtk4-sys v0.6.2
[INFO] [stderr]   Downloaded cxx v1.0.92
[INFO] [stderr]   Downloaded gio-sys v0.17.0
[INFO] [stderr]   Downloaded relm4 v0.6.0-alpha.1
[INFO] [stderr]   Downloaded rocksdb v0.20.1
[INFO] [stderr]   Downloaded winnow v0.3.5
[INFO] [stderr]   Downloaded gio v0.17.3
[INFO] [stderr]   Downloaded cxx-build v1.0.92
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.92
[INFO] [stderr]   Downloaded fluent-bundle v0.15.2
[INFO] [stderr]   Downloaded fluent v0.16.0
[INFO] [stderr]   Downloaded fluent-syntax v0.11.0
[INFO] [stderr]   Downloaded i18n-embed v0.13.8
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.1
[INFO] [stderr]   Downloaded unic-langid v0.9.1
[INFO] [stderr]   Downloaded gtk4 v0.6.2
[INFO] [stderr]   Downloaded i18n-embed-fl v0.6.5
[INFO] [stderr]   Downloaded cairo-rs v0.17.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.17.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.17.0
[INFO] [stderr]   Downloaded relm4-macros v0.6.0-alpha.1
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded rmp-serde v1.1.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.92
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded glib v0.17.3
[INFO] [stderr]   Downloaded serde_with_macros v2.2.0
[INFO] [stderr]   Downloaded intl-memoizer v0.5.1
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded graphene-sys v0.17.0
[INFO] [stderr]   Downloaded gsk4-sys v0.6.2
[INFO] [stderr]   Downloaded gobject-sys v0.17.0
[INFO] [stderr]   Downloaded pango-sys v0.17.0
[INFO] [stderr]   Downloaded async-trait v0.1.66
[INFO] [stderr]   Downloaded rust-embed v6.6.0
[INFO] [stderr]   Downloaded gtk4-macros v0.6.0
[INFO] [stderr]   Downloaded gdk4-sys v0.6.2
[INFO] [stderr]   Downloaded simd-json v0.7.0
[INFO] [stderr]   Downloaded glib-sys v0.17.2
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded halfbrown v0.1.18
[INFO] [stderr]   Downloaded simd-json-derive v0.7.0
[INFO] [stderr]   Downloaded typetag-impl v0.2.6
[INFO] [stderr]   Downloaded cairo-sys-rs v0.17.0
[INFO] [stderr]   Downloaded librocksdb-sys v0.10.0+7.9.2
[INFO] [stderr]   Downloaded inventory v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4153ce50c481a99ad2fc585bf54c02797da2fb14ad0eefa7c2fb224db39ee042
[INFO] running `Command { std: "docker" "start" "-a" "4153ce50c481a99ad2fc585bf54c02797da2fb14ad0eefa7c2fb224db39ee042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4153ce50c481a99ad2fc585bf54c02797da2fb14ad0eefa7c2fb224db39ee042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4153ce50c481a99ad2fc585bf54c02797da2fb14ad0eefa7c2fb224db39ee042", kill_on_drop: false }`
[INFO] [stdout] 4153ce50c481a99ad2fc585bf54c02797da2fb14ad0eefa7c2fb224db39ee042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7759f3dc0f746f57ff38264807cba08330d5e857046a98916f0787dac35faee
[INFO] running `Command { std: "docker" "start" "-a" "f7759f3dc0f746f57ff38264807cba08330d5e857046a98916f0787dac35faee", 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] 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] warning: /opt/rustwide/workdir/lib/core/Cargo.toml: unused manifest key: dependencies.futures.feaures
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling winnow v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 v0.12.1
[INFO] [stderr]    Compiling gio v0.17.3
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling cc v1.0.79
[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" "f7759f3dc0f746f57ff38264807cba08330d5e857046a98916f0787dac35faee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7759f3dc0f746f57ff38264807cba08330d5e857046a98916f0787dac35faee", kill_on_drop: false }`
[INFO] [stdout] f7759f3dc0f746f57ff38264807cba08330d5e857046a98916f0787dac35faee