[INFO] cloning repository https://github.com/ftilde/umc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftilde/umc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fumc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fumc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5b82efff2d9469c4703791d26a4344339ae347e
[INFO] checking ftilde/umc/f5b82efff2d9469c4703791d26a4344339ae347e against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fumc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ftilde/umc on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ftilde/umc
[INFO] finished tweaking git repo https://github.com/ftilde/umc
[INFO] tweaked toml for git repo https://github.com/ftilde/umc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ftilde/umc 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40c0d89fac95e44d2bab3c8a421b20fa512e55c88b4e1fa2d39805b7f1962689
[INFO] running `Command { std: "docker" "start" "-a" "40c0d89fac95e44d2bab3c8a421b20fa512e55c88b4e1fa2d39805b7f1962689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c0d89fac95e44d2bab3c8a421b20fa512e55c88b4e1fa2d39805b7f1962689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c0d89fac95e44d2bab3c8a421b20fa512e55c88b4e1fa2d39805b7f1962689", kill_on_drop: false }`
[INFO] [stdout] 40c0d89fac95e44d2bab3c8a421b20fa512e55c88b4e1fa2d39805b7f1962689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 279b78c4178fe47789947f1565eb608a3fd9a177ddea96f60fff074e9af37820
[INFO] running `Command { std: "docker" "start" "-a" "279b78c4178fe47789947f1565eb608a3fd9a177ddea96f60fff074e9af37820", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.87
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking winnow v0.6.13
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking diligent-date-parser v0.1.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking toml_datetime v0.6.6
[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/2277c63fa464d237b17b68d3b87f9fbb89e58a3e/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.50/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="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)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=cd5399147783c661 -C extra-filename=-cd5399147783c661 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b6a52a206917441.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3e2745b1c1d8733.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] [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/2277c63fa464d237b17b68d3b87f9fbb89e58a3e/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=43af4ed2381415c3 -C extra-filename=-43af4ed2381415c3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b6a52a206917441.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3e2745b1c1d8733.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "279b78c4178fe47789947f1565eb608a3fd9a177ddea96f60fff074e9af37820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279b78c4178fe47789947f1565eb608a3fd9a177ddea96f60fff074e9af37820", kill_on_drop: false }`
[INFO] [stdout] 279b78c4178fe47789947f1565eb608a3fd9a177ddea96f60fff074e9af37820