[INFO] fetching crate arbiter 0.4.13...
[INFO] testing arbiter-0.4.13 against 1.75.0 for beta-1.76-1
[INFO] extracting crate arbiter 0.4.13 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate arbiter 0.4.13 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbiter 0.4.13
[INFO] finished tweaking crates.io crate arbiter 0.4.13
[INFO] tweaked toml for crates.io crate arbiter 0.4.13 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate arbiter 0.4.13 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df364d4fb41a2f1191075fd7bb0b318a2727669d02bb2f6ce174413760fc424
[INFO] running `Command { std: "docker" "start" "-a" "3df364d4fb41a2f1191075fd7bb0b318a2727669d02bb2f6ce174413760fc424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df364d4fb41a2f1191075fd7bb0b318a2727669d02bb2f6ce174413760fc424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df364d4fb41a2f1191075fd7bb0b318a2727669d02bb2f6ce174413760fc424", kill_on_drop: false }`
[INFO] [stdout] 3df364d4fb41a2f1191075fd7bb0b318a2727669d02bb2f6ce174413760fc424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ca4912ce9e71eff20e0a37fd549a3fc646f08d64ba869a24c2db970bddd45c0
[INFO] running `Command { std: "docker" "start" "-a" "9ca4912ce9e71eff20e0a37fd549a3fc646f08d64ba869a24c2db970bddd45c0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling deranged v0.3.9
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.88
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling spki v0.7.2
[INFO] [stderr]    Compiling signature v2.1.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling elliptic-curve v0.13.6
[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/1.75.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=b2a58dd0862c4e76 -C extra-filename=-b2a58dd0862c4e76 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4325d5bd993076fb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ecff3342dea5ebb3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a986a3b551bfd407.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9ca4912ce9e71eff20e0a37fd549a3fc646f08d64ba869a24c2db970bddd45c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca4912ce9e71eff20e0a37fd549a3fc646f08d64ba869a24c2db970bddd45c0", kill_on_drop: false }`
[INFO] [stdout] 9ca4912ce9e71eff20e0a37fd549a3fc646f08d64ba869a24c2db970bddd45c0
[INFO] testing arbiter-0.4.13 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate arbiter 0.4.13 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate arbiter 0.4.13 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbiter 0.4.13
[INFO] finished tweaking crates.io crate arbiter 0.4.13
[INFO] tweaked toml for crates.io crate arbiter 0.4.13 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate arbiter 0.4.13 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" "+beta-2023-12-22" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de52ec08db799bded842411e3f683ae875ec3f81d7fd9f42e4aaeb77b95ff5c8
[INFO] running `Command { std: "docker" "start" "-a" "de52ec08db799bded842411e3f683ae875ec3f81d7fd9f42e4aaeb77b95ff5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de52ec08db799bded842411e3f683ae875ec3f81d7fd9f42e4aaeb77b95ff5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de52ec08db799bded842411e3f683ae875ec3f81d7fd9f42e4aaeb77b95ff5c8", kill_on_drop: false }`
[INFO] [stdout] de52ec08db799bded842411e3f683ae875ec3f81d7fd9f42e4aaeb77b95ff5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae807ed3abad12981d9db60cf59826b8cfd2884bd879f09dd776f803cc9113f9
[INFO] running `Command { std: "docker" "start" "-a" "ae807ed3abad12981d9db60cf59826b8cfd2884bd879f09dd776f803cc9113f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling const-oid v0.9.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.84
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling zerocopy v0.7.25
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling webpki-roots v0.25.2
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.88
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling array-init-cursor v0.2.0
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling planus v0.3.1
[INFO] [stderr]    Compiling der v0.7.8
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling simdutf8 v0.1.4
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling polars-utils v0.35.4
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.88
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.88
[INFO] [stderr]    Compiling crypto-bigint v0.5.4
[INFO] [stderr]    Compiling blst v0.3.11
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]    Compiling deranged v0.3.9
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.88
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.6
[INFO] [stderr]    Compiling spki v0.7.2
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[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/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=f24deb8d5a330139 -C extra-filename=-f24deb8d5a330139 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f0b5587fdd18a90c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8a74e9ed53dcab0e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-5215284c2c535675.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ae807ed3abad12981d9db60cf59826b8cfd2884bd879f09dd776f803cc9113f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae807ed3abad12981d9db60cf59826b8cfd2884bd879f09dd776f803cc9113f9", kill_on_drop: false }`
[INFO] [stdout] ae807ed3abad12981d9db60cf59826b8cfd2884bd879f09dd776f803cc9113f9
