[INFO] cloning repository https://github.com/ThiefMaster/mqtt-alert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThiefMaster/mqtt-alert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThiefMaster%2Fmqtt-alert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThiefMaster%2Fmqtt-alert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 437dde4fd70900188355699a4cdde93ccfeb6186
[INFO] testing ThiefMaster/mqtt-alert against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThiefMaster%2Fmqtt-alert" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ThiefMaster/mqtt-alert
[INFO] finished tweaking git repo https://github.com/ThiefMaster/mqtt-alert
[INFO] tweaked toml for git repo https://github.com/ThiefMaster/mqtt-alert written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThiefMaster/mqtt-alert on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ThiefMaster/mqtt-alert 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638
[INFO] running `Command { std: "docker" "start" "bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.2.25
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling clap_builder v4.5.39
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling rustls-native-certs v0.7.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/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,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --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=d13087d3cd95ba17 -C extra-filename=-90abbde670bd7f8a --out-dir /opt/rustwide/target/release/build/syn/90abbde670bd7f8a/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/208daa68e96153db/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/4db6325f2cc66793/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/208daa68e96153db/out/libproc_macro2-208daa68e96153db.rmeta --extern quote=/opt/rustwide/target/release/build/quote/79fd55c75702e9f8/out/libquote-79fd55c75702e9f8.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/4db6325f2cc66793/out/libunicode_ident-4db6325f2cc66793.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638", kill_on_drop: false }`
[INFO] [stdout] bf0a72bafd6131768daca140532402d4a408717d5761918c27516ae3cd83a638
