[INFO] cloning repository https://github.com/anthonylee1994/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/anthonylee1994/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonylee1994%2Frust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonylee1994%2Frust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e6b4339a5e6ce07804f03f92bdff7728a44743e
[INFO] checking anthonylee1994/rust-exercises against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonylee1994%2Frust-exercises" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/anthonylee1994/rust-exercises
[INFO] finished tweaking git repo https://github.com/anthonylee1994/rust-exercises
[INFO] tweaked toml for git repo https://github.com/anthonylee1994/rust-exercises written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anthonylee1994/rust-exercises on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/anthonylee1994/rust-exercises 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849
[INFO] running `Command { std: "docker" "start" "5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking ex22_advanced v0.1.0 (/opt/rustwide/workdir/exercises/22_advanced)
[INFO] [stderr]     Checking ex06_ownership v0.1.0 (/opt/rustwide/workdir/exercises/06_ownership)
[INFO] [stderr]     Checking ex07_borrowing v0.1.0 (/opt/rustwide/workdir/exercises/07_borrowing)
[INFO] [stderr]     Checking ex23_web_server v0.1.0 (/opt/rustwide/workdir/exercises/23_web_server)
[INFO] [stderr]     Checking ex08_slices v0.1.0 (/opt/rustwide/workdir/exercises/08_slices)
[INFO] [stderr]     Checking ex04_functions v0.1.0 (/opt/rustwide/workdir/exercises/04_functions)
[INFO] [stderr]     Checking ex15_iterators v0.1.0 (/opt/rustwide/workdir/exercises/15_iterators)
[INFO] [stderr]     Checking ex05_control_flow v0.1.0 (/opt/rustwide/workdir/exercises/05_control_flow)
[INFO] [stderr]     Checking ex16_cargo v0.1.0 (/opt/rustwide/workdir/exercises/16_cargo)
[INFO] [stderr]     Checking ex09_structs v0.1.0 (/opt/rustwide/workdir/exercises/09_structs)
[INFO] [stderr]     Checking ex01_hello v0.1.0 (/opt/rustwide/workdir/exercises/01_hello)
[INFO] [stderr]     Checking ex10_enums v0.1.0 (/opt/rustwide/workdir/exercises/10_enums)
[INFO] [stderr]     Checking ex11_errors v0.1.0 (/opt/rustwide/workdir/exercises/11_errors)
[INFO] [stderr]     Checking ex17_smart_pointers v0.1.0 (/opt/rustwide/workdir/exercises/17_smart_pointers)
[INFO] [stderr]     Checking ex12_collections v0.1.0 (/opt/rustwide/workdir/exercises/12_collections)
[INFO] [stderr]     Checking ex18_concurrency v0.1.0 (/opt/rustwide/workdir/exercises/18_concurrency)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> exercises/22_advanced/src/lib.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout]  71 | macro_rules! myvec {
[INFO] [stdout] ...
[INFO] [stdout]  78 |         let v = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 125 |         assert_eq!(myvec![1, 2, 3], vec![1, 2, 3]);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ex22_advanced` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849", kill_on_drop: false }`
[INFO] [stdout] 5148050830fca1fdd1421d193b15cec6241f7ed52314083bb07ac3f840197849
