[INFO] cloning repository https://github.com/iminotech/cc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iminotech/cc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiminotech%2Fcc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiminotech%2Fcc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b285222cc4c408e6ce0217b5094cfb31006f9ba
[INFO] testing iminotech/cc-rust against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiminotech%2Fcc-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iminotech/cc-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iminotech/cc-rust
[INFO] finished tweaking git repo https://github.com/iminotech/cc-rust
[INFO] tweaked toml for git repo https://github.com/iminotech/cc-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/iminotech/cc-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0f49bba81c74bf4b33f0dfadaa36d44ffae1196663d1b3bfc5295ecb37de152
[INFO] running `Command { std: "docker" "start" "-a" "a0f49bba81c74bf4b33f0dfadaa36d44ffae1196663d1b3bfc5295ecb37de152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0f49bba81c74bf4b33f0dfadaa36d44ffae1196663d1b3bfc5295ecb37de152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f49bba81c74bf4b33f0dfadaa36d44ffae1196663d1b3bfc5295ecb37de152", kill_on_drop: false }`
[INFO] [stdout] a0f49bba81c74bf4b33f0dfadaa36d44ffae1196663d1b3bfc5295ecb37de152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10161239db85f61b12b86d44b9d07ff32102c10e7d194b339ea13ac57441e065
[INFO] running `Command { std: "docker" "start" "-a" "10161239db85f61b12b86d44b9d07ff32102c10e7d194b339ea13ac57441e065", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: empty character literal
[INFO] [stdout]   --> src/prototypes/mod.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |   if &read == ''
[INFO] [stdout]    |                ^ empty character literal
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing `in` in `for` loop
[INFO] [stdout]   --> src/prototypes/mod.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |   for arg.len() in _ {
[INFO] [stdout]    |          ^ help: try adding `in` here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `.`
[INFO] [stdout]   --> src/prototypes/mod.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |   for arg.len() in _ {
[INFO] [stdout]    |          ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `iter`, `slice`
[INFO] [stdout]  --> src/prototypes/mod.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   slice,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 4 |   iter
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<char>` cannot be built from an iterator over elements of type `String`
[INFO] [stdout]   --> src/prototypes/mod.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 |   let arg : Vec<char> = env::args().collect();
[INFO] [stdout]    |                                     ^^^^^^^ value of type `Vec<char>` cannot be built from `std::iter::Iterator<Item=String>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<String>` is not implemented for `Vec<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `parse` found for type `char` in the current scope
[INFO] [stdout]   --> src/prototypes/mod.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |   println!("  mov rax, {}\n", &arg[1].parse::<i32>().unwrap() );
[INFO] [stdout]    |                                       ^^^^^ method not found in `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cc-rust` due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "10161239db85f61b12b86d44b9d07ff32102c10e7d194b339ea13ac57441e065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10161239db85f61b12b86d44b9d07ff32102c10e7d194b339ea13ac57441e065", kill_on_drop: false }`
[INFO] [stdout] 10161239db85f61b12b86d44b9d07ff32102c10e7d194b339ea13ac57441e065
