[INFO] cloning repository https://github.com/richdanis/rustiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richdanis/rustiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichdanis%2Frustiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichdanis%2Frustiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c229910b88b6c7a34c129b2bef57eed1ccbf2c51
[INFO] checking richdanis/rustiler against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichdanis%2Frustiler" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/richdanis/rustiler
[INFO] finished tweaking git repo https://github.com/richdanis/rustiler
[INFO] tweaked toml for git repo https://github.com/richdanis/rustiler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/richdanis/rustiler on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/richdanis/rustiler 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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80296aca7d03b8fb26c253559787131deeb6f9b9513a818ca4dedf5172ea3d2c
[INFO] running `Command { std: "docker" "start" "-a" "80296aca7d03b8fb26c253559787131deeb6f9b9513a818ca4dedf5172ea3d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80296aca7d03b8fb26c253559787131deeb6f9b9513a818ca4dedf5172ea3d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80296aca7d03b8fb26c253559787131deeb6f9b9513a818ca4dedf5172ea3d2c", kill_on_drop: false }`
[INFO] [stdout] 80296aca7d03b8fb26c253559787131deeb6f9b9513a818ca4dedf5172ea3d2c
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ed7fe1c098cbd01d5fa71f64101d5ae37011ac6dc321f0d31bac89c2029df9
[INFO] running `Command { std: "docker" "start" "-a" "75ed7fe1c098cbd01d5fa71f64101d5ae37011ac6dc321f0d31bac89c2029df9", kill_on_drop: false }`
[INFO] [stderr]     Checking rustiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]  --> src/compiler/tokenizer.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Token {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn build(value: &str, line: i32) -> Token {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]    --> src/compiler/parser.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let ast = parse_program(&mut tokens).unwrap();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "75ed7fe1c098cbd01d5fa71f64101d5ae37011ac6dc321f0d31bac89c2029df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ed7fe1c098cbd01d5fa71f64101d5ae37011ac6dc321f0d31bac89c2029df9", kill_on_drop: false }`
[INFO] [stdout] 75ed7fe1c098cbd01d5fa71f64101d5ae37011ac6dc321f0d31bac89c2029df9