[INFO] cloning repository https://github.com/JacksonSamuel42/100-exercises-to-learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacksonSamuel42/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonSamuel42%2F100-exercises-to-learn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonSamuel42%2F100-exercises-to-learn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0a0ecf08338e8453cb8db733944825812449694a [INFO] testing JacksonSamuel42/100-exercises-to-learn-rust against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonSamuel42%2F100-exercises-to-learn-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust [INFO] finished tweaking git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust [INFO] tweaked toml for git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust on toolchain cced03bfd61a304243a34504618ecec86c17063f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JacksonSamuel42/100-exercises-to-learn-rust 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pulldown-cmark-to-cmark v15.0.1 [INFO] [stderr] Downloaded notify-debouncer-mini v0.6.0 [INFO] [stderr] Downloaded http v1.4.1 [INFO] [stderr] Downloaded kqueue-sys v1.1.2 [INFO] [stderr] Downloaded normpath v1.5.1 [INFO] [stderr] Downloaded opener v0.8.4 [INFO] [stderr] Downloaded jiff-static v0.2.27 [INFO] [stderr] Downloaded elasticlunr-rs v3.0.2 [INFO] [stderr] Downloaded hyper v1.10.0 [INFO] [stderr] Downloaded jiff v0.2.27 [INFO] [stderr] Downloaded mdbook v0.4.52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06af9a3dd4ce24809e83fb92cb9098ab73826c2e400f92e9c124eabd81a5d498 [INFO] running `Command { std: "docker" "start" "-a" "06af9a3dd4ce24809e83fb92cb9098ab73826c2e400f92e9c124eabd81a5d498", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06af9a3dd4ce24809e83fb92cb9098ab73826c2e400f92e9c124eabd81a5d498", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06af9a3dd4ce24809e83fb92cb9098ab73826c2e400f92e9c124eabd81a5d498", kill_on_drop: false }` [INFO] [stdout] 06af9a3dd4ce24809e83fb92cb9098ab73826c2e400f92e9c124eabd81a5d498 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b071a68296a61c15e589ec2dd78b865a38249939bba2b749cee09dc2618402bc [INFO] running `Command { std: "docker" "start" "-a" "b071a68296a61c15e589ec2dd78b865a38249939bba2b749cee09dc2618402bc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling unicode-ident v1.0.24 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling libc v0.2.186 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling log v0.4.30 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling bytes v1.11.1 [INFO] [stderr] Compiling pin-project-lite v0.2.17 [INFO] [stderr] Compiling memchr v2.8.1 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling itoa v1.0.18 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling common v0.1.0 (/opt/rustwide/workdir/helpers/common) [INFO] [stderr] Compiling stable_deref_trait v1.2.1 [INFO] [stderr] Compiling bitflags v2.11.1 [INFO] [stderr] Compiling lock_api v0.4.14 [INFO] [stderr] Compiling siphasher v1.0.3 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling futures-core v0.3.32 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling typenum v1.20.0 [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling litemap v0.8.2 [INFO] [stderr] Compiling rustix v1.1.4 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Compiling rand v0.8.6 [INFO] [stderr] Compiling writeable v0.6.3 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling once_cell v1.21.4 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling zerocopy v0.8.49 [INFO] [stderr] Compiling unicase v2.9.0 [INFO] [stderr] Compiling httparse v1.10.1 [INFO] [stderr] Compiling icu_properties_data v2.2.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling http v1.4.1 [INFO] [stderr] Compiling utf8_iter v1.0.4 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling icu_normalizer_data v2.2.0 [INFO] [stderr] Compiling linux-raw-sys v0.12.1 [INFO] [stderr] Compiling anyhow v1.0.102 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling futures-sink v0.3.32 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling zmij v1.0.21 [INFO] [stderr] Compiling percent-encoding v2.3.2 [INFO] [stderr] Compiling anstyle-parse v1.0.0 [INFO] [stderr] Compiling crypto-common v0.1.7 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling http-body v1.0.1 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling tracing-core v0.1.36 [INFO] [stderr] Compiling futures-task v0.3.32 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling colorchoice v1.0.5 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.2 [INFO] [stderr] Compiling serde_json v1.0.150 [INFO] [stderr] Compiling anstyle v1.0.14 [INFO] [stderr] Compiling string_cache_codegen v0.5.4 [INFO] [stderr] Compiling phf_codegen v0.11.3 [INFO] [stderr] Compiling cpufeatures v0.2.17 [INFO] [stderr] Compiling anstyle-query v1.1.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling tower-service v0.3.3 [INFO] [stderr] Compiling slab v0.4.12 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling anstream v1.0.0 [INFO] [stderr] Compiling futf v0.1.5 [INFO] [stderr] Compiling form_urlencoded v1.2.2 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling pest v2.8.6 [INFO] [stderr] Compiling tower-layer v0.3.3 [INFO] [stderr] Compiling mio v1.2.1 [INFO] [stderr] Compiling errno v0.3.14 [INFO] [stderr] Compiling socket2 v0.6.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.8 [INFO] [stderr] Compiling web_atoms v0.1.3 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling tracing v0.1.44 [INFO] [stderr] Compiling rand_core v0.9.5 [INFO] [stderr] Compiling autocfg v1.5.1 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling httpdate v1.0.3 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling utf-8 v0.7.6 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling tendril v0.4.3 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling sha1 v0.10.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling http-body-util v0.1.3 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Compiling futures-channel v0.3.32 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling clap_lex v1.1.0 [INFO] [stderr] Compiling dtoa v1.0.11 [INFO] [stderr] Compiling sync_wrapper v1.0.2 [INFO] [stderr] Compiling atomic-waker v1.1.2 [INFO] [stderr] Compiling data-encoding v2.11.0 [INFO] [stderr] Compiling dtoa-short v0.3.5 [INFO] [stderr] Compiling inotify v0.11.1 [INFO] [stderr] Compiling notify-types v2.1.0 [INFO] [stderr] Compiling ryu v1.0.23 [INFO] [stderr] Compiling num-modular v0.6.1 [INFO] [stderr] Compiling pulldown-cmark v0.10.3 [INFO] [stderr] Compiling fastrand v2.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling notify v8.2.0 [INFO] [stderr] Compiling terminal_size v0.4.4 [INFO] [stderr] Compiling pest_meta v2.8.6 [INFO] [stderr] Compiling clap_builder v4.6.0 [INFO] [stderr] Compiling num-order v1.2.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling tempfile v3.27.0 [INFO] [stderr] Compiling serde_path_to_error v0.1.20 [INFO] [stderr] Compiling axum-core v0.5.6 [INFO] [stderr] Compiling jiff v0.2.27 [INFO] [stderr] Compiling matchit v0.8.4 [INFO] [stderr] Compiling iana-time-zone v0.1.65 [INFO] [stderr] Compiling http-range-header v0.4.2 [INFO] [stderr] Compiling pulldown-cmark-escape v0.10.1 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling chrono v0.4.44 [INFO] [stderr] Compiling notify-debouncer-mini v0.6.0 [INFO] [stderr] Compiling sha2 v0.10.9 [INFO] [stderr] Compiling topological-sort v0.2.2 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling unicode-width v0.2.2 [INFO] [stderr] Compiling pulldown-cmark v0.11.3 [INFO] [stderr] Compiling pathdiff v0.2.3 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling pulldown-cmark-escape v0.11.0 [INFO] [stderr] Compiling semver v1.0.28 [INFO] [stderr] Compiling getopts v0.2.24 [INFO] [stderr] Compiling either v1.16.0 [INFO] [stderr] Compiling packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages) [INFO] [stderr] Compiling deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies) [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [INFO] [stderr] Compiling derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive) [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/04_traits/04_derive/src/lib.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_clone) [INFO] [stderr] Compiling str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) [INFO] [stderr] Compiling sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync) [INFO] [stdout] warning: function `outro` is never used [INFO] [stdout] --> exercises/07_threads/14_sync/src/lib.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn outro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bstr v1.12.1 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | enum TicketNewError { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `easy_ticket` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:47:6 [INFO] [stdout] | [INFO] [stdout] 47 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 54 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters) [INFO] [stderr] Compiling env_filter v1.0.1 [INFO] [stderr] Compiling syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling pest_generator v2.8.6 [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership) [INFO] [stderr] Compiling static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static) [INFO] [stderr] Compiling rand v0.9.4 [INFO] [stderr] Compiling validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation) [INFO] [stderr] Compiling globset v0.4.18 [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/cced03bfd61a304243a34504618ecec86c17063f/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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 -C overflow-checks=off --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"' --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=cde8c69efba2d199 -C extra-filename=-58bc1e5a9b22a9ac --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7162c11af7995dba.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-00e8707461edefff.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-1113db636d52e351.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" "b071a68296a61c15e589ec2dd78b865a38249939bba2b749cee09dc2618402bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b071a68296a61c15e589ec2dd78b865a38249939bba2b749cee09dc2618402bc", kill_on_drop: false }` [INFO] [stdout] b071a68296a61c15e589ec2dd78b865a38249939bba2b749cee09dc2618402bc