[INFO] cloning repository https://github.com/gold-silver-copper/testing-steel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gold-silver-copper/testing-steel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgold-silver-copper%2Ftesting-steel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgold-silver-copper%2Ftesting-steel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6581e548c885910009b2d9cc107d5ce97301997d
[INFO] testing gold-silver-copper/testing-steel against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgold-silver-copper%2Ftesting-steel" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gold-silver-copper/testing-steel
[INFO] finished tweaking git repo https://github.com/gold-silver-copper/testing-steel
[INFO] tweaked toml for git repo https://github.com/gold-silver-copper/testing-steel written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gold-silver-copper/testing-steel on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gold-silver-copper/testing-steel 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mattwparas/steel.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tstr_proc_macros v0.2.2
[INFO] [stderr]   Downloaded rustyline-derive v0.10.0
[INFO] [stderr]   Downloaded imbl-sized-chunks v0.1.3
[INFO] [stderr]   Downloaded tstr v0.2.4
[INFO] [stderr]   Downloaded as_derive_utils v0.11.0
[INFO] [stderr]   Downloaded abi_stable_shared v0.11.0
[INFO] [stderr]   Downloaded shared_vector v0.4.4
[INFO] [stderr]   Downloaded core_extensions_proc_macros v1.5.3
[INFO] [stderr]   Downloaded abi_stable_derive v0.11.3
[INFO] [stderr]   Downloaded repr_offset v0.2.2
[INFO] [stderr]   Downloaded imbl v6.0.0
[INFO] [stderr]   Downloaded async-ffi v0.5.0
[INFO] [stderr]   Downloaded im-lists v0.10.0
[INFO] [stderr]   Downloaded abi_stable v0.11.3
[INFO] [stderr]   Downloaded core_extensions v1.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29905e8b83b87c28423573e2dd1bbb67a41950126560c59b22a23f77b162eb7a
[INFO] running `Command { std: "docker" "start" "-a" "29905e8b83b87c28423573e2dd1bbb67a41950126560c59b22a23f77b162eb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29905e8b83b87c28423573e2dd1bbb67a41950126560c59b22a23f77b162eb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29905e8b83b87c28423573e2dd1bbb67a41950126560c59b22a23f77b162eb7a", kill_on_drop: false }`
[INFO] [stdout] 29905e8b83b87c28423573e2dd1bbb67a41950126560c59b22a23f77b162eb7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a44fd8c72a256e53e7b6c0bcfa122076ac527e04d9e2bb69054da10e77a001
[INFO] running `Command { std: "docker" "start" "-a" "51a44fd8c72a256e53e7b6c0bcfa122076ac527e04d9e2bb69054da10e77a001", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling core_extensions v1.5.3
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.2
[INFO] [stderr]    Compiling codegen v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.5.3
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling tstr v0.2.4
[INFO] [stderr]    Compiling abi_stable_shared v0.11.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling strict v0.2.0
[INFO] [stderr]    Compiling typewit v1.12.1
[INFO] [stderr]    Compiling thiserror v2.0.14
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling const_panic v0.2.14
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling repr_offset v0.2.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bigdecimal v0.4.8
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling generational-arena v0.2.9
[INFO] [stderr]    Compiling bitmaps v3.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling minimad v0.13.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling pretty v0.12.4
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling imbl-sized-chunks v0.1.3
[INFO] [stderr]    Compiling quickscope v0.2.0
[INFO] [stderr]    Compiling shared_vector v0.4.4
[INFO] [stderr]    Compiling im-lists v0.10.0
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling weak-table v0.3.2
[INFO] [stderr]    Compiling xdg v3.0.0
[INFO] [stderr]    Compiling as_derive_utils v0.11.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=18aaef5b85b36503 -C extra-filename=-87a631a86cbd1db3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-007a4b63d2d3d0be.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6a1fe40cce5b6ca8.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "51a44fd8c72a256e53e7b6c0bcfa122076ac527e04d9e2bb69054da10e77a001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a44fd8c72a256e53e7b6c0bcfa122076ac527e04d9e2bb69054da10e77a001", kill_on_drop: false }`
[INFO] [stdout] 51a44fd8c72a256e53e7b6c0bcfa122076ac527e04d9e2bb69054da10e77a001