[INFO] cloning repository https://github.com/IMHOJEONG/rust-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IMHOJEONG/rust-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIMHOJEONG%2Frust-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIMHOJEONG%2Frust-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f80c539589f958a31f36050b48e6747b6230355
[INFO] testing IMHOJEONG/rust-test against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIMHOJEONG%2Frust-test" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IMHOJEONG/rust-test on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IMHOJEONG/rust-test
[INFO] finished tweaking git repo https://github.com/IMHOJEONG/rust-test
[INFO] tweaked toml for git repo https://github.com/IMHOJEONG/rust-test written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/IMHOJEONG/rust-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab351e337bf8b27c93066b090ced5e77903746589891ac3d2123544fd7c7a376
[INFO] running `Command { std: "docker" "start" "-a" "ab351e337bf8b27c93066b090ced5e77903746589891ac3d2123544fd7c7a376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab351e337bf8b27c93066b090ced5e77903746589891ac3d2123544fd7c7a376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab351e337bf8b27c93066b090ced5e77903746589891ac3d2123544fd7c7a376", kill_on_drop: false }`
[INFO] [stdout] ab351e337bf8b27c93066b090ced5e77903746589891ac3d2123544fd7c7a376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9891cda91f10702ec3c187f673329f6fa237e58755ea09e64dcaa07a2808659
[INFO] running `Command { std: "docker" "start" "-a" "d9891cda91f10702ec3c187f673329f6fa237e58755ea09e64dcaa07a2808659", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let s2 = s1;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commaCount`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let commaCount = if len % 3 == 0 {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commaCount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `s1`
[INFO] [stdout]   --> src/main.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let s1 = String::from("hello");
[INFO] [stdout]    |         -- move occurs because `s1` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 68 |     let s2 = s1;
[INFO] [stdout]    |              -- value moved here
[INFO] [stdout] 69 | 
[INFO] [stdout] 70 |     println!("{}, world!", s1);
[INFO] [stdout]    |                            ^^ value borrowed here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-test` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d9891cda91f10702ec3c187f673329f6fa237e58755ea09e64dcaa07a2808659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9891cda91f10702ec3c187f673329f6fa237e58755ea09e64dcaa07a2808659", kill_on_drop: false }`
[INFO] [stdout] d9891cda91f10702ec3c187f673329f6fa237e58755ea09e64dcaa07a2808659