[INFO] cloning repository https://github.com/shuttle-hq/salvo-image-rescaler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shuttle-hq/salvo-image-rescaler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuttle-hq%2Fsalvo-image-rescaler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuttle-hq%2Fsalvo-image-rescaler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3ae58bc84264d4cba3524e5a692174d9c499431
[INFO] testing shuttle-hq/salvo-image-rescaler against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuttle-hq%2Fsalvo-image-rescaler" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shuttle-hq/salvo-image-rescaler
[INFO] finished tweaking git repo https://github.com/shuttle-hq/salvo-image-rescaler
[INFO] tweaked toml for git repo https://github.com/shuttle-hq/salvo-image-rescaler written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shuttle-hq/salvo-image-rescaler on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shuttle-hq/salvo-image-rescaler 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b379a99ec3dff08ca39aa837dfb1e7c2029635aca73ff4d147fac8c951c56c5
[INFO] running `Command { std: "docker" "start" "-a" "3b379a99ec3dff08ca39aa837dfb1e7c2029635aca73ff4d147fac8c951c56c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b379a99ec3dff08ca39aa837dfb1e7c2029635aca73ff4d147fac8c951c56c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b379a99ec3dff08ca39aa837dfb1e7c2029635aca73ff4d147fac8c951c56c5", kill_on_drop: false }`
[INFO] [stdout] 3b379a99ec3dff08ca39aa837dfb1e7c2029635aca73ff4d147fac8c951c56c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96188143ee2a422a55edebc0bef628ebca8e266e77b478093f71a22688df80b9
[INFO] running `Command { std: "docker" "start" "-a" "96188143ee2a422a55edebc0bef628ebca8e266e77b478093f71a22688df80b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling webpki-roots v1.0.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling headers-core v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling mime-infer v4.0.1
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling headers v0.4.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling xml-rs v0.8.27
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling strfmt v0.2.5
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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=3d05dbeecdabbf63 -C extra-filename=-a7b87e8d19a021b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ec2e4e906c3fa39e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-afc954aaaa125544.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-994e2229f72e62d3.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "96188143ee2a422a55edebc0bef628ebca8e266e77b478093f71a22688df80b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96188143ee2a422a55edebc0bef628ebca8e266e77b478093f71a22688df80b9", kill_on_drop: false }`
[INFO] [stdout] 96188143ee2a422a55edebc0bef628ebca8e266e77b478093f71a22688df80b9
