[INFO] cloning repository https://github.com/gfx/bluesky-rss-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfx/bluesky-rss-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfx%2Fbluesky-rss-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfx%2Fbluesky-rss-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6cf7c2a8d0a7a4b6ddf79820e11c2fcb458e6a4
[INFO] building gfx/bluesky-rss-bot against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfx%2Fbluesky-rss-bot" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/gfx/bluesky-rss-bot
[INFO] finished tweaking git repo https://github.com/gfx/bluesky-rss-bot
[INFO] tweaked toml for git repo https://github.com/gfx/bluesky-rss-bot written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gfx/bluesky-rss-bot on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gfx/bluesky-rss-bot 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bfe3853e44da7784f38563f3a88a450c94231c8ade24c436b4fe0c013ea11dd
[INFO] running `Command { std: "docker" "start" "-a" "5bfe3853e44da7784f38563f3a88a450c94231c8ade24c436b4fe0c013ea11dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bfe3853e44da7784f38563f3a88a450c94231c8ade24c436b4fe0c013ea11dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfe3853e44da7784f38563f3a88a450c94231c8ade24c436b4fe0c013ea11dd", kill_on_drop: false }`
[INFO] [stdout] 5bfe3853e44da7784f38563f3a88a450c94231c8ade24c436b4fe0c013ea11dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e3e4c9ec2445249189a56136d4e508443c103dc5caab9188b291e102932a27
[INFO] running `Command { std: "docker" "start" "-a" "78e3e4c9ec2445249189a56136d4e508443c103dc5caab9188b291e102932a27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling blake2s_simd v1.0.2
[INFO] [stderr] error: could not compile `proc-macro2` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name proc_macro2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.86/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="proc-macro"' --cfg 'feature="span-locations"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly", "proc-macro", "span-locations"))' -C metadata=626c0c0530801f44 -C extra-filename=-f1e10f1b8c6dd234 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.rmeta --cap-lints allow --cap-lints=forbid --cfg span_locations --cfg wrap_proc_macro --cfg proc_macro_span --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(no_is_available)' --check-cfg 'cfg(no_literal_byte_character)' --check-cfg 'cfg(no_literal_c_string)' --check-cfg 'cfg(no_source_text)' --check-cfg 'cfg(proc_macro_span)' --check-cfg 'cfg(procmacro2_backtrace)' --check-cfg 'cfg(procmacro2_nightly_testing)' --check-cfg 'cfg(procmacro2_semver_exempt)' --check-cfg 'cfg(randomize_layout)' --check-cfg 'cfg(span_locations)' --check-cfg 'cfg(super_unstable)' --check-cfg 'cfg(wrap_proc_macro)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "78e3e4c9ec2445249189a56136d4e508443c103dc5caab9188b291e102932a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e3e4c9ec2445249189a56136d4e508443c103dc5caab9188b291e102932a27", kill_on_drop: false }`
[INFO] [stdout] 78e3e4c9ec2445249189a56136d4e508443c103dc5caab9188b291e102932a27