[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 master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAPSN4%2Flearning-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/APSN4/learning-rust on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.14
[INFO] [stderr]   Downloaded hyper-util v0.1.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cdb84cf839453481bc7cee3ccfdd33197b8524ce0e3bb771729448615aaa772
[INFO] running `Command { std: "docker" "start" "-a" "3cdb84cf839453481bc7cee3ccfdd33197b8524ce0e3bb771729448615aaa772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cdb84cf839453481bc7cee3ccfdd33197b8524ce0e3bb771729448615aaa772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdb84cf839453481bc7cee3ccfdd33197b8524ce0e3bb771729448615aaa772", kill_on_drop: false }`
[INFO] [stdout] 3cdb84cf839453481bc7cee3ccfdd33197b8524ce0e3bb771729448615aaa772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31fc3199f37446a0b50a7839fff472f11a2cfe2becf99bde814837928ee499b4
[INFO] running `Command { std: "docker" "start" "-a" "31fc3199f37446a0b50a7839fff472f11a2cfe2becf99bde814837928ee499b4", 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 libc v0.2.175
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking matchit v0.8.4
[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_deref_trait v0.1.0 (/opt/rustwide/workdir/Traits/DerefTrait/Task)
[INFO] [stderr]     Checking task_ticket_v1_outro v0.1.0 (/opt/rustwide/workdir/TicketV1/Outro/Task)
[INFO] [stderr]     Checking task_setters v0.1.0 (/opt/rustwide/workdir/TicketV1/Setters/Task)
[INFO] [stderr]     Checking task_traits_outro v0.1.0 (/opt/rustwide/workdir/Traits/Outro/Task)
[INFO] [stderr]     Checking task_copy_trait v0.1.0 (/opt/rustwide/workdir/Traits/CopyTrait/Task)
[INFO] [stderr]     Checking task_nullability v0.1.0 (/opt/rustwide/workdir/TicketV2/Nullability/Task)
[INFO] [stderr]     Checking task_associated_vs_generic_types v0.1.0 (/opt/rustwide/workdir/Traits/AssociatedVsGenericTypes/Task)
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]   --> TicketV1/Setters/Task/src/lib.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Ticket {
[INFO] [stdout]    |             - this delimiter might not be properly closed...
[INFO] [stdout] ...
[INFO] [stdout] 50 |    /* TODO: set_title */}
[INFO] [stdout]    |                         - ...as it matches this but it has different indentation
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |    /* TODO: set_description */}
[INFO] [stdout]    |                               ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking task_branching v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/BranchingIfElse/Task)
[INFO] [stderr] error: could not compile `task_setters` (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[E0308]: mismatched types
[INFO] [stdout]   --> TicketV2/Nullability/Task/src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn assigned_to(&self) -> Option<&String> {
[INFO] [stdout]    |            -----------           ^^^^^^^^^^^^^^^ expected `Option<&String>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<&String>`
[INFO] [stdout]            found unit type `()`
[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] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_deref_trait` (lib) due to 2 previous errors
[INFO] [stderr] error: could not compile `task_nullability` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "31fc3199f37446a0b50a7839fff472f11a2cfe2becf99bde814837928ee499b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fc3199f37446a0b50a7839fff472f11a2cfe2becf99bde814837928ee499b4", kill_on_drop: false }`
[INFO] [stdout] 31fc3199f37446a0b50a7839fff472f11a2cfe2becf99bde814837928ee499b4
