[INFO] fetching crate mittlife_cycles 0.1.2...
[INFO] testing mittlife_cycles-0.1.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate mittlife_cycles 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mittlife_cycles 0.1.2
[INFO] finished tweaking crates.io crate mittlife_cycles 0.1.2
[INFO] tweaked toml for crates.io crate mittlife_cycles 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mittlife_cycles 0.1.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mittlife_cycles 0.1.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 813104ad70bb5ae52f3829763371c6b8404c62c8ace179c725bd1daa1b9c8552
[INFO] running `Command { std: "docker" "start" "-a" "813104ad70bb5ae52f3829763371c6b8404c62c8ace179c725bd1daa1b9c8552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "813104ad70bb5ae52f3829763371c6b8404c62c8ace179c725bd1daa1b9c8552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813104ad70bb5ae52f3829763371c6b8404c62c8ace179c725bd1daa1b9c8552", kill_on_drop: false }`
[INFO] [stdout] 813104ad70bb5ae52f3829763371c6b8404c62c8ace179c725bd1daa1b9c8552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2670c0b68bbccbf78eb2df159f7e3a29a7e247e6189bfbe9acb24d123ece37
[INFO] running `Command { std: "docker" "start" "-a" "be2670c0b68bbccbf78eb2df159f7e3a29a7e247e6189bfbe9acb24d123ece37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cc v1.1.22
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling mockall_derive v0.13.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling predicates-core v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling rustls-pki-types v1.9.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling rustls-pemfile v2.1.3
[INFO] [stderr]    Compiling predicates-tree v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling rfc7239 v0.1.1
[INFO] [stderr]    Compiling predicates v3.1.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling wildmatch v2.3.4
[INFO] [stderr]    Compiling ipnet v2.10.0
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling humantime v2.1.0
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.79/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="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=a7fbce4fc32f0984 -C extra-filename=-895ac7d29c02c7c1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-233bb14400b88924.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d52fb0e05eb3922a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.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" "be2670c0b68bbccbf78eb2df159f7e3a29a7e247e6189bfbe9acb24d123ece37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2670c0b68bbccbf78eb2df159f7e3a29a7e247e6189bfbe9acb24d123ece37", kill_on_drop: false }`
[INFO] [stdout] be2670c0b68bbccbf78eb2df159f7e3a29a7e247e6189bfbe9acb24d123ece37