[INFO] fetching crate backpak 0.3.0...
[INFO] testing backpak-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate backpak 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate backpak 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate backpak 0.3.0
[INFO] tweaked toml for crates.io crate backpak 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate backpak 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate backpak 0.3.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_write v0.1.1
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.5
[INFO] [stderr]   Downloaded aliasable v0.1.3
[INFO] [stderr]   Downloaded ouroboros v0.18.5
[INFO] [stderr]   Downloaded hashlink v0.10.0
[INFO] [stderr]   Downloaded atomic-wait v1.1.0
[INFO] [stderr]   Downloaded jiff-tzdb-platform v0.1.3
[INFO] [stderr]   Downloaded camino v1.1.9
[INFO] [stderr]   Downloaded backpak-b2 v0.1.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.17
[INFO] [stderr]   Downloaded toml v0.8.22
[INFO] [stderr]   Downloaded clap v4.5.37
[INFO] [stderr]   Downloaded jiff-static v0.2.10
[INFO] [stderr]   Downloaded jiff-tzdb v0.1.4
[INFO] [stderr]   Downloaded rust_decimal v1.37.1
[INFO] [stderr]   Downloaded clap_builder v4.5.37
[INFO] [stderr]   Downloaded rusqlite v0.35.0
[INFO] [stderr]   Downloaded byte-unit v5.1.6
[INFO] [stderr]   Downloaded webpki-roots v0.26.10
[INFO] [stderr]   Downloaded clap_derive v4.5.32
[INFO] [stderr]   Downloaded compare v0.1.0
[INFO] [stderr]   Downloaded enum-map-derive v0.17.0
[INFO] [stderr]   Downloaded enum-map v2.7.3
[INFO] [stderr]   Downloaded hex-literal v0.4.1
[INFO] [stderr]   Downloaded hostname v0.4.1
[INFO] [stderr]   Downloaded jiff v0.2.10
[INFO] [stderr]   Downloaded mut-binary-heap v0.1.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.33.0
[INFO] [stderr]   Downloaded fastcdc v3.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f8c93ab9eb7bf912e933e72f42771d5316cce50e2f95a97cf2a88387f86c1e9
[INFO] running `Command { std: "docker" "start" "-a" "9f8c93ab9eb7bf912e933e72f42771d5316cce50e2f95a97cf2a88387f86c1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f8c93ab9eb7bf912e933e72f42771d5316cce50e2f95a97cf2a88387f86c1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8c93ab9eb7bf912e933e72f42771d5316cce50e2f95a97cf2a88387f86c1e9", kill_on_drop: false }`
[INFO] [stdout] 9f8c93ab9eb7bf912e933e72f42771d5316cce50e2f95a97cf2a88387f86c1e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dab89ca3ad2f6654d75f339b4b17dc106d202a2e6e8b32726ebbfc4e1b0c8d4f
[INFO] running `Command { std: "docker" "start" "-a" "dab89ca3ad2f6654d75f339b4b17dc106d202a2e6e8b32726ebbfc4e1b0c8d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling rustls v0.23.26
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling rust_decimal v1.37.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling cc v1.2.20
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling webpki-roots v0.26.10
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling winnow v0.7.7
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling compare v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling mut-binary-heap v0.1.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling libsqlite3-sys v0.33.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling hostname v0.4.1
[INFO] [stderr]    Compiling atomic-wait v1.1.0
[INFO] [stderr]    Compiling fastcdc v3.2.1
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[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/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/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 --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=870cf6348d3779c0 -C extra-filename=-1547285a5c2cb0de --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "dab89ca3ad2f6654d75f339b4b17dc106d202a2e6e8b32726ebbfc4e1b0c8d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab89ca3ad2f6654d75f339b4b17dc106d202a2e6e8b32726ebbfc4e1b0c8d4f", kill_on_drop: false }`
[INFO] [stdout] dab89ca3ad2f6654d75f339b4b17dc106d202a2e6e8b32726ebbfc4e1b0c8d4f