[INFO] cloning repository https://github.com/SafarSoFar/100-exercises-to-learn-rust-my-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SafarSoFar/100-exercises-to-learn-rust-my-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSafarSoFar%2F100-exercises-to-learn-rust-my-solutions", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12e818e1ec40f3b22f86c12b457f088649378980
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSafarSoFar%2F100-exercises-to-learn-rust-my-solutions" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SafarSoFar/100-exercises-to-learn-rust-my-solutions on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SafarSoFar/100-exercises-to-learn-rust-my-solutions
[INFO] finished tweaking git repo https://github.com/SafarSoFar/100-exercises-to-learn-rust-my-solutions
[INFO] tweaked toml for git repo https://github.com/SafarSoFar/100-exercises-to-learn-rust-my-solutions written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SafarSoFar/100-exercises-to-learn-rust-my-solutions 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[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[E0425]: cannot find value `value` in this scope
[INFO] [stdout]   --> exercises/04_traits/14_outro/src/lib.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     value : u16,
[INFO] [stdout]    |     ----- a field by that name exists in `Self`
[INFO] [stdout] ...
[INFO] [stdout] 38 |         (*value).into
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies)
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_03` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fmt`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl fmt::Display for TicketNewError{
[INFO] [stdout]    |      ^^^ use of undeclared crate or module `fmt`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 7  + use std::fmt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fmt`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn fmt(&self, f : &mut fmt::Formatter) -> fmt::Result{
[INFO] [stdout]    |                            ^^^ use of undeclared crate or module `fmt`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 7  + use std::fmt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fmt`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:13:47
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn fmt(&self, f : &mut fmt::Formatter) -> fmt::Result{
[INFO] [stdout]    |                                               ^^^ use of undeclared crate or module `fmt`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 7  + use std::fmt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |     assert_impl_one!(TicketNewError: std::error::Error);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `TicketNewError`, which is required by `TicketNewError: AmbiguousIfMoreThanOne<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: required for `TicketNewError` to implement `AmbiguousIfMoreThanOne<Token>`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     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] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error_trait` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "504c4b2e57b01e127b69500ab110282b89eb465b76ab4edbe292b562a3e5a946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504c4b2e57b01e127b69500ab110282b89eb465b76ab4edbe292b562a3e5a946", kill_on_drop: false }`
[INFO] [stdout] 504c4b2e57b01e127b69500ab110282b89eb465b76ab4edbe292b562a3e5a946