[INFO] cloning repository https://github.com/MalteHerrmann/proposer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MalteHerrmann/proposer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteHerrmann%2Fproposer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteHerrmann%2Fproposer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ef077d4a3aaac7cd59dee30516b4f0845fdb1e5
[INFO] checking MalteHerrmann/proposer against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteHerrmann%2Fproposer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MalteHerrmann/proposer
[INFO] finished tweaking git repo https://github.com/MalteHerrmann/proposer
[INFO] tweaked toml for git repo https://github.com/MalteHerrmann/proposer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MalteHerrmann/proposer on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MalteHerrmann/proposer 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbd508ec2d420e87161d61ad8247443c1d77764adfe625bdf0be42b19ebbb57
[INFO] running `Command { std: "docker" "start" "-a" "efbd508ec2d420e87161d61ad8247443c1d77764adfe625bdf0be42b19ebbb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbd508ec2d420e87161d61ad8247443c1d77764adfe625bdf0be42b19ebbb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbd508ec2d420e87161d61ad8247443c1d77764adfe625bdf0be42b19ebbb57", kill_on_drop: false }`
[INFO] [stdout] efbd508ec2d420e87161d61ad8247443c1d77764adfe625bdf0be42b19ebbb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d8ac85c6f87baa6ad778e4091e92c31e6315179e9c5c3fc378d292dde32b39
[INFO] running `Command { std: "docker" "start" "-a" "b5d8ac85c6f87baa6ad778e4091e92c31e6315179e9c5c3fc378d292dde32b39", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling cc v1.1.8
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking indexmap v2.3.0
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking object v0.36.3
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking pem v1.1.1
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking iri-string v0.7.2
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking deadpool-runtime v0.1.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking retain_mut v0.1.9
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.14
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling backtrace v0.3.73
[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/18c1d185ac7a6a3bf399296b35e4b2736809a756/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"' --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=2422a040fa2ddff1 -C extra-filename=-60ab19dac9cf41d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4861c8d2d9938960.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-04a47ed96ea1327e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "b5d8ac85c6f87baa6ad778e4091e92c31e6315179e9c5c3fc378d292dde32b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d8ac85c6f87baa6ad778e4091e92c31e6315179e9c5c3fc378d292dde32b39", kill_on_drop: false }`
[INFO] [stdout] b5d8ac85c6f87baa6ad778e4091e92c31e6315179e9c5c3fc378d292dde32b39