[INFO] cloning repository https://github.com/anmarchenko/my-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/anmarchenko/my-rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanmarchenko%2Fmy-rust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanmarchenko%2Fmy-rust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d4442a9d0a9f043c35183241ba42267a8c928f5
[INFO] checking anmarchenko/my-rust-exercises/7d4442a9d0a9f043c35183241ba42267a8c928f5 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanmarchenko%2Fmy-rust-exercises" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anmarchenko/my-rust-exercises on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anmarchenko/my-rust-exercises
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[INFO] tweaked toml for git repo https://github.com/anmarchenko/my-rust-exercises written to /workspace/builds/worker-0-tc1/source/Cargo.toml
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "cacc842443bdfc4aceba271f349a3d99908f5bc1232104b235f1cbc9de254b40", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "82142a66d4670c6cd8980ad366d8a25e193f35b63995bbe0bdae03dbdd2f5525", kill_on_drop: false }`
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[INFO] [stderr]     Checking intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro)
[INFO] [stderr]     Checking mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices)
[INFO] [stderr]     Checking derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive)
[INFO] [stderr]     Checking if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else)
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing)
[INFO] [stderr]     Checking deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref)
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct)
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling pest v2.7.10
[INFO] [stderr]     Checking ticket_fields v0.1.0 (/opt/rustwide/workdir/helpers/ticket_fields)
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/05_channels)
[INFO] [stderr]     Checking patch v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/10_patch)
[INFO] [stderr]     Checking bounded v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/09_bounded)
[INFO] [stderr]     Checking rwlock v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/12_rw_lock)
[INFO] [stderr]     Checking response v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/07_ack)
[INFO] [stderr]     Checking locks v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/11_locks)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/08_client)
[INFO] [stdout] error: expected type, found `"not yet implemented"`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get(&self, id: TicketId) -> Option<todo!()> {
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               expected type
[INFO] [stdout]    |                                               in this macro invocation
[INFO] [stdout]    |                                               this macro call doesn't expand to a type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking without_channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/13_without_channels)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> exercises/07_threads/13_without_channels/tests/check.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let store = todo!();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 11 |
[INFO] [stdout] 12 |     let store1 = store.clone();
[INFO] [stdout]    |                  ----- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `store` an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let store: /* Type */ = todo!();
[INFO] [stdout]    |              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `without_channels` (test "check") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:79:47
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = response_channel.send(ticket);
[INFO] [stdout]    |                                          ---- ^^^^^^ expected `Option<Arc<Mutex<Ticket>>>`, found `Option<()>`
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Arc<Mutex<Ticket>>>`
[INFO] [stdout]               found enum `Option<()>`
[INFO] [stdout] help: the return type of this call is `Option<()>` due to the type of the argument passed
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = response_channel.send(ticket);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this argument influences the return type of `send`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sync/mpsc/mod.rs:679:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `locks` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "82142a66d4670c6cd8980ad366d8a25e193f35b63995bbe0bdae03dbdd2f5525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82142a66d4670c6cd8980ad366d8a25e193f35b63995bbe0bdae03dbdd2f5525", kill_on_drop: false }`
[INFO] [stdout] 82142a66d4670c6cd8980ad366d8a25e193f35b63995bbe0bdae03dbdd2f5525