[INFO] cloning repository https://github.com/aldorithms/brainfuck-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aldorithms/brainfuck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fbrainfuck-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fbrainfuck-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d2ab17b14f3f10b1ec3524f01490330a507a4ca
[INFO] checking aldorithms/brainfuck-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fbrainfuck-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aldorithms/brainfuck-rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aldorithms/brainfuck-rs
[INFO] finished tweaking git repo https://github.com/aldorithms/brainfuck-rs
[INFO] tweaked toml for git repo https://github.com/aldorithms/brainfuck-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aldorithms/brainfuck-rs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1a2043746f2671a0c00d4906943afd821d82c313e5c602df341647e75a9ebad
[INFO] running `Command { std: "docker" "start" "-a" "e1a2043746f2671a0c00d4906943afd821d82c313e5c602df341647e75a9ebad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a2043746f2671a0c00d4906943afd821d82c313e5c602df341647e75a9ebad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a2043746f2671a0c00d4906943afd821d82c313e5c602df341647e75a9ebad", kill_on_drop: false }`
[INFO] [stdout] e1a2043746f2671a0c00d4906943afd821d82c313e5c602df341647e75a9ebad
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 454f03afcf2ab4a3b1f82ba21e1a6ec1340a52c51fb6e98c5296bd224a119d4b
[INFO] running `Command { std: "docker" "start" "-a" "454f03afcf2ab4a3b1f82ba21e1a6ec1340a52c51fb6e98c5296bd224a119d4b", kill_on_drop: false }`
[INFO] [stderr]     Checking brainfuck-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/bf/vm.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let mut i = 0;
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> src/bf/vm.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let mut i = 0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/bf/vm.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let mut i = 0;
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> src/bf/vm.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let mut i = 0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "454f03afcf2ab4a3b1f82ba21e1a6ec1340a52c51fb6e98c5296bd224a119d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454f03afcf2ab4a3b1f82ba21e1a6ec1340a52c51fb6e98c5296bd224a119d4b", kill_on_drop: false }`
[INFO] [stdout] 454f03afcf2ab4a3b1f82ba21e1a6ec1340a52c51fb6e98c5296bd224a119d4b
[INFO] checking aldorithms/brainfuck-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fbrainfuck-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aldorithms/brainfuck-rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aldorithms/brainfuck-rs
[INFO] finished tweaking git repo https://github.com/aldorithms/brainfuck-rs
[INFO] tweaked toml for git repo https://github.com/aldorithms/brainfuck-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aldorithms/brainfuck-rs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61319f5ae4e3b17aff1f6c5b1c07bf921c3c55b1e7a218f8ba4a983d4b1795f9
[INFO] running `Command { std: "docker" "start" "-a" "61319f5ae4e3b17aff1f6c5b1c07bf921c3c55b1e7a218f8ba4a983d4b1795f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61319f5ae4e3b17aff1f6c5b1c07bf921c3c55b1e7a218f8ba4a983d4b1795f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61319f5ae4e3b17aff1f6c5b1c07bf921c3c55b1e7a218f8ba4a983d4b1795f9", kill_on_drop: false }`
[INFO] [stdout] 61319f5ae4e3b17aff1f6c5b1c07bf921c3c55b1e7a218f8ba4a983d4b1795f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97178370e4d1ed05480c5cb04ed5841b6e7bec78d831de6ee3a0bb468f3fbd20
[INFO] running `Command { std: "docker" "start" "-a" "97178370e4d1ed05480c5cb04ed5841b6e7bec78d831de6ee3a0bb468f3fbd20", kill_on_drop: false }`
[INFO] [stderr]     Checking brainfuck-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | /             match bf::run(&code) {
[INFO] [stdout] 14 | |                 Ok(()) => todo!("Nice."),
[INFO] [stdout] 15 | |                 Err(_) => return Err("Compilation failed. Get f*cked.".into()),
[INFO] [stdout] 16 | |             };
[INFO] [stdout]    | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/bf/vm.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let mut i = 0;
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> src/bf/vm.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let mut i = 0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | /             match bf::run(&code) {
[INFO] [stdout] 14 | |                 Ok(()) => todo!("Nice."),
[INFO] [stdout] 15 | |                 Err(_) => return Err("Compilation failed. Get f*cked.".into()),
[INFO] [stdout] 16 | |             };
[INFO] [stdout]    | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brainfuck-rs` (bin "brainfuck-rs" test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/bf/vm.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let mut i = 0;
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> src/bf/vm.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let mut i = 0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brainfuck-rs` (bin "brainfuck-rs") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "97178370e4d1ed05480c5cb04ed5841b6e7bec78d831de6ee3a0bb468f3fbd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97178370e4d1ed05480c5cb04ed5841b6e7bec78d831de6ee3a0bb468f3fbd20", kill_on_drop: false }`
[INFO] [stdout] 97178370e4d1ed05480c5cb04ed5841b6e7bec78d831de6ee3a0bb468f3fbd20