[INFO] cloning repository https://github.com/APSN4/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/APSN4/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAPSN4%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAPSN4%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79f984923df34e696cb58a3d0dab740632c2a853
[INFO] checking APSN4/learning-rust against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAPSN4%2Flearning-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/APSN4/learning-rust
[INFO] finished tweaking git repo https://github.com/APSN4/learning-rust
[INFO] tweaked toml for git repo https://github.com/APSN4/learning-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/APSN4/learning-rust on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/APSN4/learning-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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15e609253ce5cf5df6647763049a9aea6e5a60220e1ca423009b2eab2567b55b
[INFO] running `Command { std: "docker" "start" "-a" "15e609253ce5cf5df6647763049a9aea6e5a60220e1ca423009b2eab2567b55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15e609253ce5cf5df6647763049a9aea6e5a60220e1ca423009b2eab2567b55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e609253ce5cf5df6647763049a9aea6e5a60220e1ca423009b2eab2567b55b", kill_on_drop: false }`
[INFO] [stdout] 15e609253ce5cf5df6647763049a9aea6e5a60220e1ca423009b2eab2567b55b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab8bb23bcf714ac83c3cf54716d3d2db32fc605e78a15eeec70880659bf3418
[INFO] running `Command { std: "docker" "start" "-a" "bab8bb23bcf714ac83c3cf54716d3d2db32fc605e78a15eeec70880659bf3418", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.96
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling escargot v0.5.14
[INFO] [stderr]     Checking task_packages v0.1.0 (/opt/rustwide/workdir/TicketV2/Packages/Task)
[INFO] [stderr]     Checking task_vectors v0.1.0 (/opt/rustwide/workdir/TicketManagement/Vectors/Task)
[INFO] [stderr]     Checking task_operator_overloading v0.1.0 (/opt/rustwide/workdir/Traits/OperatorOverloading/Task)
[INFO] [stderr]     Checking task_slices v0.1.0 (/opt/rustwide/workdir/TicketManagement/Slices/Task)
[INFO] [stderr]     Checking task_conversions_as_casting v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/ConversionsAsCasting/Task)
[INFO] [stderr]     Checking task_thiserror v0.1.0 (/opt/rustwide/workdir/TicketV2/thiserror/Task)
[INFO] [stderr]     Checking task_visibility v0.1.0 (/opt/rustwide/workdir/TicketV1/Visibility/Task)
[INFO] [stderr]     Checking task_deref_trait v0.1.0 (/opt/rustwide/workdir/Traits/DerefTrait/Task)
[INFO] [stderr]     Checking task_traits_intro v0.1.0 (/opt/rustwide/workdir/Traits/Introduction/Traits - Introduction)
[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] error: expected one of `!` or `::`, found `}`
[INFO] [stdout]   --> Traits/OperatorOverloading/Task/src/lib.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl PartialEq for Ticket {
[INFO] [stdout]    |                           - while parsing this item list starting here
[INFO] [stdout] 21 |     f/* TODO */}
[INFO] [stdout]    |                ^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                expected one of `!` or `::`
[INFO] [stdout]    |                the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[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 E0425`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr]     Checking task_static_lifetime v0.1.0 (/opt/rustwide/workdir/Threads/StaticLifetime/Task)
[INFO] [stderr]     Checking task_interior_mutability v0.1.0 (/opt/rustwide/workdir/Threads/InteriorMutability/Task)
[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] [stderr] error: could not compile `task_deref_trait` (lib) due to 2 previous errors
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `eq`
[INFO] [stdout]   --> Traits/OperatorOverloading/Task/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl PartialEq for Ticket {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ missing `eq` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `fn eq(&self, _: &Ticket) -> bool { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_operator_overloading` (lib) due to 2 previous errors
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> TicketV1/Visibility/Task/src/lib.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 |     /* TODO */ struct Ticket {
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> TicketV1/Visibility/Task/src/lib.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     impl Ticket {
[INFO] [stdout]    |     ----------- associated function in this implementation
[INFO] [stdout] 11 |         /* TODO */ fn new(title: String, description: String, status: String) -> Ticket {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `}`
[INFO] [stdout]   --> Threads/InteriorMutability/Task/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct DropTracker<T> {
[INFO] [stdout]    |            ----------- while parsing this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 | }
[INFO] [stdout]    | ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `)`
[INFO] [stdout]   --> Threads/InteriorMutability/Task/src/lib.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(value: T, counter: /* TODO */) -> Self {
[INFO] [stdout]    |                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `counter` in this scope
[INFO] [stdout]   --> Threads/InteriorMutability/Task/src/lib.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Self { value, counter }
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> Threads/InteriorMutability/Task/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> Threads/InteriorMutability/Task/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> Threads/StaticLifetime/Task/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> Threads/StaticLifetime/Task/src/lib.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn sum(slice: &'static [i32]) -> i32 {
[INFO] [stdout]   |        ---                           ^^^ expected `i32`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_interior_mutability` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] error: could not compile `task_static_lifetime` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bab8bb23bcf714ac83c3cf54716d3d2db32fc605e78a15eeec70880659bf3418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab8bb23bcf714ac83c3cf54716d3d2db32fc605e78a15eeec70880659bf3418", kill_on_drop: false }`
[INFO] [stdout] bab8bb23bcf714ac83c3cf54716d3d2db32fc605e78a15eeec70880659bf3418
