[INFO] cloning repository https://github.com/djhunter67/leetcode_adventure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djhunter67/leetcode_adventure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjhunter67%2Fleetcode_adventure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjhunter67%2Fleetcode_adventure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46864efdbc932d47a6e915be1d24c78a0d420a87
[INFO] checking djhunter67/leetcode_adventure against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjhunter67%2Fleetcode_adventure" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/djhunter67/leetcode_adventure
[INFO] finished tweaking git repo https://github.com/djhunter67/leetcode_adventure
[INFO] tweaked toml for git repo https://github.com/djhunter67/leetcode_adventure written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/djhunter67/leetcode_adventure on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/djhunter67/leetcode_adventure 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a6454e975fbacf7dea555a368312c813f212d9a5078bc98b4b09f7ae5fcce57
[INFO] running `Command { std: "docker" "start" "-a" "7a6454e975fbacf7dea555a368312c813f212d9a5078bc98b4b09f7ae5fcce57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a6454e975fbacf7dea555a368312c813f212d9a5078bc98b4b09f7ae5fcce57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6454e975fbacf7dea555a368312c813f212d9a5078bc98b4b09f7ae5fcce57", kill_on_drop: false }`
[INFO] [stdout] 7a6454e975fbacf7dea555a368312c813f212d9a5078bc98b4b09f7ae5fcce57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 664ab72c2683df8af23275f976723ae7939407e978ad1694237c8b28596eac02
[INFO] running `Command { std: "docker" "start" "-a" "664ab72c2683df8af23275f976723ae7939407e978ad1694237c8b28596eac02", kill_on_drop: false }`
[INFO] [stderr]     Checking palindrome_number v0.1.0 (/opt/rustwide/workdir/palindrome_number)
[INFO] [stderr]     Checking roman_to_integer v0.1.0 (/opt/rustwide/workdir/roman_to_integer)
[INFO] [stderr]     Checking add_two_numbers v0.1.0 (/opt/rustwide/workdir/add_two_numbers)
[INFO] [stderr]     Checking intersection_of_two_arrays v0.1.0 (/opt/rustwide/workdir/intersection_of_two_arrays)
[INFO] [stderr]     Checking two_sum v0.1.0 (/opt/rustwide/workdir/two_sum)
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]  --> two_sum/src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn two_sum(arr: &[i32], target: i32) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `String: From<i32>` is not satisfied
[INFO] [stdout]   --> roman_to_integer/src/lib.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     num.iter_mut().map(|x| String::from(*x)).collect::<Vec<String>>();
[INFO] [stdout]    |                            ^^^^^^ the trait `From<i32>` is not implemented for `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: `String` implements trait `From<T>`:
[INFO] [stdout]              From<&String>
[INFO] [stdout]              From<&mut str>
[INFO] [stdout]              From<&str>
[INFO] [stdout]              From<Box<str>>
[INFO] [stdout]              From<Cow<'_, str>>
[INFO] [stdout]              From<char>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `String: From<i32>` is not satisfied
[INFO] [stdout]   --> roman_to_integer/src/lib.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     num.iter_mut().map(|x| String::from(*x)).collect::<Vec<String>>();
[INFO] [stdout]    |                            ^^^^^^ the trait `From<i32>` is not implemented for `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: `String` implements trait `From<T>`:
[INFO] [stdout]              From<&String>
[INFO] [stdout]              From<&mut str>
[INFO] [stdout]              From<&str>
[INFO] [stdout]              From<Box<str>>
[INFO] [stdout]              From<Cow<'_, str>>
[INFO] [stdout]              From<char>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roman_to_integer` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roman_to_integer` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "664ab72c2683df8af23275f976723ae7939407e978ad1694237c8b28596eac02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664ab72c2683df8af23275f976723ae7939407e978ad1694237c8b28596eac02", kill_on_drop: false }`
[INFO] [stdout] 664ab72c2683df8af23275f976723ae7939407e978ad1694237c8b28596eac02
