[INFO] cloning repository https://github.com/nmelms/100_rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmelms/100_rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmelms%2F100_rust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmelms%2F100_rust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1be7efa5828bdc7f7381e87383bbc30165e6fdad
[INFO] checking nmelms/100_rust_exercises against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmelms%2F100_rust_exercises" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nmelms/100_rust_exercises
[INFO] finished tweaking git repo https://github.com/nmelms/100_rust_exercises
[INFO] tweaked toml for git repo https://github.com/nmelms/100_rust_exercises written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nmelms/100_rust_exercises on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nmelms/100_rust_exercises 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ignore v0.4.24
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.11.0
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.6.0
[INFO] [stderr]   Downloaded opener v0.8.3
[INFO] [stderr]   Downloaded web_atoms v0.1.3
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v15.0.1
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.10.1
[INFO] [stderr]   Downloaded markup5ever v0.35.0
[INFO] [stderr]   Downloaded num-modular v0.6.1
[INFO] [stderr]   Downloaded clap_complete v4.5.59
[INFO] [stderr]   Downloaded ammonia v4.1.2
[INFO] [stderr]   Downloaded match_token v0.35.0
[INFO] [stderr]   Downloaded html5ever v0.35.0
[INFO] [stderr]   Downloaded handlebars v6.3.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.3
[INFO] [stderr]   Downloaded num-order v1.2.0
[INFO] [stderr]   Downloaded mdbook v0.4.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 166958f92a1dcc759f91379112900db827d73d050a94317cbc0f83c6516b0ff2
[INFO] running `Command { std: "docker" "start" "-a" "166958f92a1dcc759f91379112900db827d73d050a94317cbc0f83c6516b0ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "166958f92a1dcc759f91379112900db827d73d050a94317cbc0f83c6516b0ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166958f92a1dcc759f91379112900db827d73d050a94317cbc0f83c6516b0ff2", kill_on_drop: false }`
[INFO] [stdout] 166958f92a1dcc759f91379112900db827d73d050a94317cbc0f83c6516b0ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17b42b104ec380bcfcbf9a764404a4dcf980f7e9b3b41445cb40e16dbd329bb
[INFO] running `Command { std: "docker" "start" "-a" "b17b42b104ec380bcfcbf9a764404a4dcf980f7e9b3b41445cb40e16dbd329bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking inotify v0.11.0
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]     Checking notify-types v2.0.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking num-modular v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking axum-core v0.5.5
[INFO] [stderr]     Checking pulldown-cmark-escape v0.10.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]     Checking notify v8.2.0
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking num-order v1.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.50
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking notify-debouncer-mini v0.6.0
[INFO] [stderr]    Compiling pulldown-cmark v0.11.3
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stdout] error[E0277]: `TicketNewError` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:101:34
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert_eq!(format!("{}", ticket.unwrap_err()), "Title cannot be empty");
[INFO] [stdout]     |                             --   ^^^^^^^^^^^^^^^^^^^ `TicketNewError` cannot be formatted with the default formatter
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             required by this formatting parameter
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `TicketNewError`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | enum TicketNewError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TicketNewError: AmbiguousIfMoreThanOne<Token>` is not satisfied
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |     assert_impl_one!(TicketNewError: std::error::Error);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `std::error::Error` is not implemented for `TicketNewError`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | enum TicketNewError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required for `TicketNewError` to implement `AmbiguousIfMoreThanOne<Token>`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     assert_impl_one!(TicketNewError: std::error::Error);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `assert_impl_one` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:15:52
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]     Checking validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation)
[INFO] [stdout] error[E0432]: unresolved import `outro_03::SaturatingU16`
[INFO] [stdout]  --> exercises/04_traits/14_outro/tests/integration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use outro_03::SaturatingU16;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `SaturatingU16` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error_trait` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_03` (test "integration") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b17b42b104ec380bcfcbf9a764404a4dcf980f7e9b3b41445cb40e16dbd329bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17b42b104ec380bcfcbf9a764404a4dcf980f7e9b3b41445cb40e16dbd329bb", kill_on_drop: false }`
[INFO] [stdout] b17b42b104ec380bcfcbf9a764404a4dcf980f7e9b3b41445cb40e16dbd329bb