[INFO] cloning repository https://github.com/lollichilli/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/lollichilli/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flollichilli%2F100-exercises-to-learn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flollichilli%2F100-exercises-to-learn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8c0cf0aac18121b985e7dd5140d2af46494180e
[INFO] checking lollichilli/100-exercises-to-learn-rust against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flollichilli%2F100-exercises-to-learn-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lollichilli/100-exercises-to-learn-rust
[INFO] finished tweaking git repo https://github.com/lollichilli/100-exercises-to-learn-rust
[INFO] tweaked toml for git repo https://github.com/lollichilli/100-exercises-to-learn-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lollichilli/100-exercises-to-learn-rust on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lollichilli/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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a20d61086a8571bcd3afeb098e368aecce47c1b40e8e419f23286d33d273966
[INFO] running `Command { std: "docker" "start" "-a" "2a20d61086a8571bcd3afeb098e368aecce47c1b40e8e419f23286d33d273966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a20d61086a8571bcd3afeb098e368aecce47c1b40e8e419f23286d33d273966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a20d61086a8571bcd3afeb098e368aecce47c1b40e8e419f23286d33d273966", kill_on_drop: false }`
[INFO] [stdout] 2a20d61086a8571bcd3afeb098e368aecce47c1b40e8e419f23286d33d273966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68d94d7f2dbbae0e49f7e7a369c2897c5273215678c2cf7713a614bf2c313cd7
[INFO] running `Command { std: "docker" "start" "-a" "68d94d7f2dbbae0e49f7e7a369c2897c5273215678c2cf7713a614bf2c313cd7", kill_on_drop: false }`
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking clap_lex v0.7.2
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[INFO] [stderr]     Checking filetime v0.2.23
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[INFO] [stderr]     Checking fastrand v2.1.0
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[INFO] [stderr]     Checking shlex v1.3.0
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[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling pulldown-cmark v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]     Checking notify-debouncer-mini v0.4.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[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] [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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `outro_02::Order`
[INFO] [stdout]  --> exercises/03_ticket_v1/12_outro/tests/integration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use outro_02::Order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Order` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_02` (test "integration") due to 1 previous error
[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] error: could not compile `error_trait` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "68d94d7f2dbbae0e49f7e7a369c2897c5273215678c2cf7713a614bf2c313cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d94d7f2dbbae0e49f7e7a369c2897c5273215678c2cf7713a614bf2c313cd7", kill_on_drop: false }`
[INFO] [stdout] 68d94d7f2dbbae0e49f7e7a369c2897c5273215678c2cf7713a614bf2c313cd7
