[INFO] cloning repository https://github.com/rjgraffham/hackattic_reading_qr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rjgraffham/hackattic_reading_qr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjgraffham%2Fhackattic_reading_qr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjgraffham%2Fhackattic_reading_qr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38442825aaddf65c4fa2ed42c0fc1df1331b4da2
[INFO] checking rjgraffham/hackattic_reading_qr against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjgraffham%2Fhackattic_reading_qr" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rjgraffham/hackattic_reading_qr
[INFO] finished tweaking git repo https://github.com/rjgraffham/hackattic_reading_qr
[INFO] tweaked toml for git repo https://github.com/rjgraffham/hackattic_reading_qr written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rjgraffham/hackattic_reading_qr on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rjgraffham/hackattic_reading_qr 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e4e20f3fbd292223ecc48f520e22fea99bf7aca21f0029e0ce18ccbe8a7ead2
[INFO] running `Command { std: "docker" "start" "-a" "9e4e20f3fbd292223ecc48f520e22fea99bf7aca21f0029e0ce18ccbe8a7ead2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e4e20f3fbd292223ecc48f520e22fea99bf7aca21f0029e0ce18ccbe8a7ead2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4e20f3fbd292223ecc48f520e22fea99bf7aca21f0029e0ce18ccbe8a7ead2", kill_on_drop: false }`
[INFO] [stdout] 9e4e20f3fbd292223ecc48f520e22fea99bf7aca21f0029e0ce18ccbe8a7ead2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cb92fe8308c05772e37aa52931c047fb218f55e272e7fb9f023ad32c63882dc
[INFO] running `Command { std: "docker" "start" "-a" "0cb92fe8308c05772e37aa52931c047fb218f55e272e7fb9f023ad32c63882dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]    Compiling cc v1.2.48
[INFO] [stderr]     Checking tracing-core v0.1.35
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling built v0.8.0
[INFO] [stderr]     Checking aligned v0.4.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking tracing v0.1.43
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking y4m v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking bitstream-io v4.9.0
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking weezl v0.1.12
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking imgref v1.12.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking avif-serialize v0.8.6
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking zune-core v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking zune-jpeg v0.5.5
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]     Checking gif v0.14.0
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking iri-string v0.7.9
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking pxfm v0.1.26
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking rustls-pki-types v1.13.1
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="futures-io"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=d95e209ec0d29b85 -C extra-filename=-355fe5ef07f1eb0f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-756e876442dee363.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-4ce1f16fa47c1e40.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-e7bd2ffb932e7c3a.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-011073701ea3a715.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-7c3b23e851763d6f.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dccf8aabedbf6d41.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-db1de871cd8706a6.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-ab20fc0822f5e3c5.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" "0cb92fe8308c05772e37aa52931c047fb218f55e272e7fb9f023ad32c63882dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb92fe8308c05772e37aa52931c047fb218f55e272e7fb9f023ad32c63882dc", kill_on_drop: false }`
[INFO] [stdout] 0cb92fe8308c05772e37aa52931c047fb218f55e272e7fb9f023ad32c63882dc