[INFO] cloning repository https://github.com/bhishekprajapati/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/bhishekprajapati/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhishekprajapati%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhishekprajapati%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34e99a20a0dc98bed95ebca768fce983cff42900
[INFO] checking bhishekprajapati/learn-rust against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhishekprajapati%2Flearn-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bhishekprajapati/learn-rust
[INFO] finished tweaking git repo https://github.com/bhishekprajapati/learn-rust
[INFO] tweaked toml for git repo https://github.com/bhishekprajapati/learn-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bhishekprajapati/learn-rust on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bhishekprajapati/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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr] workspace: /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 372381405bb3ed4c8e9f7bc79e4b959997a0edf61ab3aab9f49d48de16b461e1
[INFO] running `Command { std: "docker" "start" "-a" "372381405bb3ed4c8e9f7bc79e4b959997a0edf61ab3aab9f49d48de16b461e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372381405bb3ed4c8e9f7bc79e4b959997a0edf61ab3aab9f49d48de16b461e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372381405bb3ed4c8e9f7bc79e4b959997a0edf61ab3aab9f49d48de16b461e1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7b4586275bd5f16ef1674f72449a1f01827cfa5c8173c4d557702100a1b9a931", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
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[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking static_assertions v1.1.0
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[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stdout] error[E0423]: expected value, found type alias `std::fmt::Result`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         std::fmt::Result
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[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[E0277]: the trait bound `TicketNewError: AmbiguousIfMoreThanOne<Token>` is not satisfied
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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:9:1
[INFO] [stdout]     |
[INFO] [stdout]   9 | 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:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | 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:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 | 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:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | 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] Some errors have detailed explanations: E0277, E0423.
[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 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7b4586275bd5f16ef1674f72449a1f01827cfa5c8173c4d557702100a1b9a931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4586275bd5f16ef1674f72449a1f01827cfa5c8173c4d557702100a1b9a931", kill_on_drop: false }`
[INFO] [stdout] 7b4586275bd5f16ef1674f72449a1f01827cfa5c8173c4d557702100a1b9a931
