[INFO] fetching crate mantra 0.7.8...
[INFO] checking mantra-0.7.8 against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] extracting crate mantra 0.7.8 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mantra 0.7.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mantra 0.7.8
[INFO] tweaked toml for crates.io crate mantra 0.7.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mantra 0.7.8 on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mantra 0.7.8 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0be6d9ca493ade9637ae7456b1064d40fc9c7d7ddb9e57a3a05558a3cfba7fea
[INFO] running `Command { std: "docker" "start" "-a" "0be6d9ca493ade9637ae7456b1064d40fc9c7d7ddb9e57a3a05558a3cfba7fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be6d9ca493ade9637ae7456b1064d40fc9c7d7ddb9e57a3a05558a3cfba7fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be6d9ca493ade9637ae7456b1064d40fc9c7d7ddb9e57a3a05558a3cfba7fea", kill_on_drop: false }`
[INFO] [stdout] 0be6d9ca493ade9637ae7456b1064d40fc9c7d7ddb9e57a3a05558a3cfba7fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 926a1d3d0e946453c3812717333a6d82d89264939f47c8309a6736c92b66cb28
[INFO] running `Command { std: "docker" "start" "-a" "926a1d3d0e946453c3812717333a6d82d89264939f47c8309a6736c92b66cb28", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling icu_properties_data v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tree-sitter v0.22.6
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]     Checking deranged v0.5.6
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking fluent-uri v0.1.4
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking ignore v0.4.25
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling tree-sitter-rust v0.21.2
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking toml_write v0.1.1
[INFO] [stderr]     Checking winnow v0.7.10
[INFO] [stderr]     Checking deunicode v1.6.2
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking globwalk v0.9.1
[INFO] [stderr]     Checking clap_builder v4.5.38
[INFO] [stderr]     Checking slug v0.1.6
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking jiff v0.2.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[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/3f7e3b175fda7edbf81081bcd9b91b73f2f7993f/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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="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", "test", "visit", "visit-mut"))' -C metadata=86d8b7336f74c8cd -C extra-filename=-3d8ed8afe7894650 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2ed733aae00083d1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-48dad528552da2e0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-63696b82ec5b5f94.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" "926a1d3d0e946453c3812717333a6d82d89264939f47c8309a6736c92b66cb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926a1d3d0e946453c3812717333a6d82d89264939f47c8309a6736c92b66cb28", kill_on_drop: false }`
[INFO] [stdout] 926a1d3d0e946453c3812717333a6d82d89264939f47c8309a6736c92b66cb28
