[INFO] cloning repository https://github.com/Bennett-Petzold/backed_data
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bennett-Petzold/backed_data" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBennett-Petzold%2Fbacked_data", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBennett-Petzold%2Fbacked_data'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 802b48af64814f844d86409b65cf35a1ebe6387f
[INFO] testing Bennett-Petzold/backed_data against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBennett-Petzold%2Fbacked_data" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Bennett-Petzold/backed_data
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Bennett-Petzold/backed_data
[INFO] tweaked toml for git repo https://github.com/Bennett-Petzold/backed_data written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bennett-Petzold/backed_data on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bennett-Petzold/backed_data 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c284a5f0b6dbb72f5a3cdb9cb6fb3b7c4a002af9951d1285dcf4b6261d089a15
[INFO] running `Command { std: "docker" "start" "-a" "c284a5f0b6dbb72f5a3cdb9cb6fb3b7c4a002af9951d1285dcf4b6261d089a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c284a5f0b6dbb72f5a3cdb9cb6fb3b7c4a002af9951d1285dcf4b6261d089a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c284a5f0b6dbb72f5a3cdb9cb6fb3b7c4a002af9951d1285dcf4b6261d089a15", kill_on_drop: false }`
[INFO] [stdout] c284a5f0b6dbb72f5a3cdb9cb6fb3b7c4a002af9951d1285dcf4b6261d089a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410f63e0bd3695ebf1035d43be47bef3bb40edcce8aaab5f08c40e05df3f191a
[INFO] running `Command { std: "docker" "start" "-a" "410f63e0bd3695ebf1035d43be47bef3bb40edcce8aaab5f08c40e05df3f191a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling backed_data v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling error-stack v0.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling uuid v1.12.1
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling derive-getters v0.5.0
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: unused imports: `Mutex` and `cell::UnsafeCell`
[INFO] [stdout]  --> src/utils/protected.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cell::UnsafeCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sync::{Mutex, MutexGuard},
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToMut` and `ToRef`
[INFO] [stdout]   --> src/utils/protected.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use super::{ToMut, ToRef};
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/entry/sync_impl.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 248 |     ) -> Result<BackedEntryMut<Self>, <Coder as Decoder<Disk::ReadDisk>>::Error> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 248 |     ) -> Result<BackedEntryMut<'_, Self>, <Coder as Decoder<Disk::ReadDisk>>::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.49s
[INFO] running `Command { std: "docker" "inspect" "410f63e0bd3695ebf1035d43be47bef3bb40edcce8aaab5f08c40e05df3f191a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410f63e0bd3695ebf1035d43be47bef3bb40edcce8aaab5f08c40e05df3f191a", kill_on_drop: false }`
[INFO] [stdout] 410f63e0bd3695ebf1035d43be47bef3bb40edcce8aaab5f08c40e05df3f191a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de7f06f37ef4d3b95e25d7eefb9e8a3152420ebd979a0b3a17c3da94f9be7d4f
[INFO] running `Command { std: "docker" "start" "-a" "de7f06f37ef4d3b95e25d7eefb9e8a3152420ebd979a0b3a17c3da94f9be7d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling indexmap v2.4.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.105
[INFO] [stderr]    Compiling openssl v0.10.70
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling symbolic-demangle v12.10.0
[INFO] [stderr]    Compiling bytemuck v1.17.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling flate2 v1.0.31
[INFO] [stderr]    Compiling rgb v0.8.48
[INFO] [stderr]    Compiling symbolic-common v12.10.0
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling object v0.36.3
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling pprof v0.14.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling clap v4.5.16
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling rustls-pemfile v2.1.3
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tempfile v3.12.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling async-compression v0.4.18
[INFO] [stderr]    Compiling nix v0.29.0
[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/8da20828b6ea601dfd8e2448cb50ace88876bd78/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.89/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=837d48a24ce77928 -C extra-filename=-8bb2fb6af1e6da04 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-93e90187dd49977e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a5d5ba317b804d19.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" "de7f06f37ef4d3b95e25d7eefb9e8a3152420ebd979a0b3a17c3da94f9be7d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7f06f37ef4d3b95e25d7eefb9e8a3152420ebd979a0b3a17c3da94f9be7d4f", kill_on_drop: false }`
[INFO] [stdout] de7f06f37ef4d3b95e25d7eefb9e8a3152420ebd979a0b3a17c3da94f9be7d4f