[INFO] cloning repository https://github.com/4hh/solid-meme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4hh/solid-meme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4hh%2Fsolid-meme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4hh%2Fsolid-meme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8b29a607b20468e7507d0dee0cde1be1683fee6
[INFO] checking 4hh/solid-meme against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4hh%2Fsolid-meme" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/4hh/solid-meme
[INFO] finished tweaking git repo https://github.com/4hh/solid-meme
[INFO] tweaked toml for git repo https://github.com/4hh/solid-meme written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/4hh/solid-meme on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/4hh/solid-meme 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c97045735c7987931cc1c7dc95c4b7b4c9f84f603c609bc2b77df39d8fb7561f
[INFO] running `Command { std: "docker" "start" "-a" "c97045735c7987931cc1c7dc95c4b7b4c9f84f603c609bc2b77df39d8fb7561f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c97045735c7987931cc1c7dc95c4b7b4c9f84f603c609bc2b77df39d8fb7561f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97045735c7987931cc1c7dc95c4b7b4c9f84f603c609bc2b77df39d8fb7561f", kill_on_drop: false }`
[INFO] [stdout] c97045735c7987931cc1c7dc95c4b7b4c9f84f603c609bc2b77df39d8fb7561f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48680b38c80445e20bee7250922f77465c38ca707e323fa694128884d62e2e8
[INFO] running `Command { std: "docker" "start" "-a" "d48680b38c80445e20bee7250922f77465c38ca707e323fa694128884d62e2e8", kill_on_drop: false }`
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]    Compiling escargot v0.5.15
[INFO] [stderr]     Checking task_packages v0.1.0 (/opt/rustwide/workdir/TicketV2/Packages/Task)
[INFO] [stderr]     Checking task_validation v0.1.0 (/opt/rustwide/workdir/TicketV1/Validation/Task)
[INFO] [stderr]     Checking task_visibility v0.1.0 (/opt/rustwide/workdir/TicketV1/Visibility/Task)
[INFO] [stderr]     Checking task_drop_trait v0.1.0 (/opt/rustwide/workdir/Traits/DropTrait/Task)
[INFO] [stderr]     Checking task_trait v0.1.0 (/opt/rustwide/workdir/Traits/Trait/Task)
[INFO] [stderr]     Checking task_stack v0.1.0 (/opt/rustwide/workdir/TicketV1/Stack/Task)
[INFO] [stderr]     Checking task_loops_for v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/LoopsFor/Task)
[INFO] [stderr]     Checking task_threads_intro v0.1.0 (/opt/rustwide/workdir/Threads/Introduction/Threads - Introduction)
[INFO] [stderr]     Checking task_associated_vs_generic_types v0.1.0 (/opt/rustwide/workdir/Traits/AssociatedVsGenericTypes/Task)
[INFO] [stderr]     Checking task_traits_intro v0.1.0 (/opt/rustwide/workdir/Traits/Introduction/Traits - Introduction)
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> TicketV1/Visibility/Task/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Ticket {
[INFO] [stdout]   |                ------ fields in this struct
[INFO] [stdout] 3 |         title: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 4 |         description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 5 |         status: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking task_vectors v0.1.0 (/opt/rustwide/workdir/TicketManagement/Vectors/Task)
[INFO] [stderr]     Checking task_traits_outro v0.1.0 (/opt/rustwide/workdir/Traits/Outro/Task)
[INFO] [stderr]     Checking task_encapsulation v0.1.0 (/opt/rustwide/workdir/TicketV1/Encapsulation/Task)
[INFO] [stderr]     Checking task_branching v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/BranchingIfElse/Task)
[INFO] [stderr]     Checking task_copy_trait v0.1.0 (/opt/rustwide/workdir/Traits/CopyTrait/Task)
[INFO] [stderr]     Checking task_loops_while v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/LoopsWhile/Task)
[INFO] [stderr]     Checking task_deref_trait v0.1.0 (/opt/rustwide/workdir/Traits/DerefTrait/Task)
[INFO] [stderr]     Checking task_ticket_v2_intro v0.1.0 (/opt/rustwide/workdir/TicketV2/Introduction/Ticket v2 - Introduction)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> TicketManagement/Vectors/Task/src/lib.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn fibonacci(n: u32) -> u32 {
[INFO] [stdout]    |        ---------            ^^^ expected `u32`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout] help: consider returning the local binding `n`
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn fibonacci(n: u32) -> u32 {
[INFO] [stdout] 14 ~     n
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> TicketV1/Validation/Task/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ticket {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 4 |     status: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_vectors` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> Traits/CopyTrait/Task/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct WrappingU32 {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     value: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `s` in this scope
[INFO] [stdout]   --> Traits/DerefTrait/Task/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         s/* TODO */    }
[INFO] [stdout]    |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `s` in this scope
[INFO] [stdout]   --> Traits/DerefTrait/Task/src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         s/* TODO */    }
[INFO] [stdout]    |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_deref_trait` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d48680b38c80445e20bee7250922f77465c38ca707e323fa694128884d62e2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48680b38c80445e20bee7250922f77465c38ca707e323fa694128884d62e2e8", kill_on_drop: false }`
[INFO] [stdout] d48680b38c80445e20bee7250922f77465c38ca707e323fa694128884d62e2e8
