[INFO] fetching crate prac 0.1.6...
[INFO] testing prac-0.1.6 against try#f23b22458132fb20faeb8a915b1c252478696f25 for pr-131095
[INFO] extracting crate prac 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate prac 0.1.6 on toolchain f23b22458132fb20faeb8a915b1c252478696f25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prac 0.1.6
[INFO] finished tweaking crates.io crate prac 0.1.6
[INFO] tweaked toml for crates.io crate prac 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate prac 0.1.6 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" "+f23b22458132fb20faeb8a915b1c252478696f25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a4f365dba599360f7bb493b9b513d4b6e81bf9b7705e44a19f7ee625a8199f
[INFO] running `Command { std: "docker" "start" "-a" "a5a4f365dba599360f7bb493b9b513d4b6e81bf9b7705e44a19f7ee625a8199f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a4f365dba599360f7bb493b9b513d4b6e81bf9b7705e44a19f7ee625a8199f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a4f365dba599360f7bb493b9b513d4b6e81bf9b7705e44a19f7ee625a8199f", kill_on_drop: false }`
[INFO] [stdout] a5a4f365dba599360f7bb493b9b513d4b6e81bf9b7705e44a19f7ee625a8199f
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5b634a4431886cc3ea51eb066af3300b975ee944a588e2ffeefbe2453f99e8
[INFO] running `Command { std: "docker" "start" "-a" "ca5b634a4431886cc3ea51eb066af3300b975ee944a588e2ffeefbe2453f99e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[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 serde v1.0.188
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling os_str_bytes v6.5.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.8
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling deranged v0.3.8
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling defer-drop v1.3.0
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling vte v0.11.1
[INFO] [stderr]    Compiling time v0.3.29
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling tuikit v0.5.0
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling termsize v0.1.6
[INFO] [stderr]    Compiling itertools 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/f23b22458132fb20faeb8a915b1c252478696f25/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.37/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"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=4c136013ba9896d7 -C extra-filename=-4c136013ba9896d7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dce7b19313c8c2e8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3ee5a3386eba1007.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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" "ca5b634a4431886cc3ea51eb066af3300b975ee944a588e2ffeefbe2453f99e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5b634a4431886cc3ea51eb066af3300b975ee944a588e2ffeefbe2453f99e8", kill_on_drop: false }`
[INFO] [stdout] ca5b634a4431886cc3ea51eb066af3300b975ee944a588e2ffeefbe2453f99e8