[INFO] cloning repository https://github.com/rosefromthedead/postcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rosefromthedead/postcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosefromthedead%2Fpostcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosefromthedead%2Fpostcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6f8ad16bc60f4a03e767c3e73ca53a97b724010
[INFO] testing rosefromthedead/postcode/b6f8ad16bc60f4a03e767c3e73ca53a97b724010 against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosefromthedead%2Fpostcode" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rosefromthedead/postcode on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rosefromthedead/postcode
[INFO] finished tweaking git repo https://github.com/rosefromthedead/postcode
[INFO] tweaked toml for git repo https://github.com/rosefromthedead/postcode written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rosefromthedead/postcode 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libadwaita v0.2.1
[INFO] [stderr]   Downloaded graphene-sys v0.16.3
[INFO] [stderr]   Downloaded graphene-rs v0.16.3
[INFO] [stderr]   Downloaded gtk4-macros v0.5.4
[INFO] [stderr]   Downloaded glib-macros v0.16.3
[INFO] [stderr]   Downloaded libadwaita-sys v0.2.1
[INFO] [stderr]   Downloaded gsk4 v0.5.4
[INFO] [stderr]   Downloaded gdk4-sys v0.5.4
[INFO] [stderr]   Downloaded pest v2.5.1
[INFO] [stderr]   Downloaded gdk4 v0.5.4
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded gtk4-sys v0.5.4
[INFO] [stderr]   Downloaded gsk4-sys v0.5.4
[INFO] [stderr]   Downloaded glib v0.16.7
[INFO] [stderr]   Downloaded gtk4 v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04ea79f180bf1dc0d9298fa7fe331e106edaad33643ff48e5a45633095435fe3
[INFO] running `Command { std: "docker" "start" "-a" "04ea79f180bf1dc0d9298fa7fe331e106edaad33643ff48e5a45633095435fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04ea79f180bf1dc0d9298fa7fe331e106edaad33643ff48e5a45633095435fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ea79f180bf1dc0d9298fa7fe331e106edaad33643ff48e5a45633095435fe3", kill_on_drop: false }`
[INFO] [stdout] 04ea79f180bf1dc0d9298fa7fe331e106edaad33643ff48e5a45633095435fe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5956a67a0e9a27e1b72b2fd0563986a6c83ad6a643842f5c0ac4381aac5fbb
[INFO] running `Command { std: "docker" "start" "-a" "7d5956a67a0e9a27e1b72b2fd0563986a6c83ad6a643842f5c0ac4381aac5fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling gio v0.16.7
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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" "7d5956a67a0e9a27e1b72b2fd0563986a6c83ad6a643842f5c0ac4381aac5fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5956a67a0e9a27e1b72b2fd0563986a6c83ad6a643842f5c0ac4381aac5fbb", kill_on_drop: false }`
[INFO] [stdout] 7d5956a67a0e9a27e1b72b2fd0563986a6c83ad6a643842f5c0ac4381aac5fbb