[INFO] cloning repository https://github.com/piscisaureus/runja
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piscisaureus/runja" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiscisaureus%2Frunja", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiscisaureus%2Frunja'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2386fa083f75311617ba0e1656f5621b22ef0e27
[INFO] checking piscisaureus/runja against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiscisaureus%2Frunja" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/piscisaureus/runja on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/piscisaureus/runja
[INFO] finished tweaking git repo https://github.com/piscisaureus/runja
[INFO] tweaked toml for git repo https://github.com/piscisaureus/runja written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/piscisaureus/runja already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44ed95aa209c0a01ea4c8f9d881dc7783d2556a0a2939bfc1659dadffc473db6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44ed95aa209c0a01ea4c8f9d881dc7783d2556a0a2939bfc1659dadffc473db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ed95aa209c0a01ea4c8f9d881dc7783d2556a0a2939bfc1659dadffc473db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ed95aa209c0a01ea4c8f9d881dc7783d2556a0a2939bfc1659dadffc473db6", kill_on_drop: false }`
[INFO] [stdout] 44ed95aa209c0a01ea4c8f9d881dc7783d2556a0a2939bfc1659dadffc473db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba2ccad89383176426a97e19abbde1ed7d7c346d03992fe642395971bcb6684f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba2ccad89383176426a97e19abbde1ed7d7c346d03992fe642395971bcb6684f", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking runja v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]    --> src/main.rs:217:3
[INFO] [stdout]     |
[INFO] [stdout] 217 |   filename: PathBuf,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_ident`
[INFO] [stdout]    --> src/main.rs:340:10
[INFO] [stdout]     |
[INFO] [stdout] 340 |   pub fn read_ident(&mut self) -> Option<Matcher> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]    --> src/main.rs:217:3
[INFO] [stdout]     |
[INFO] [stdout] 217 |   filename: PathBuf,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_ident`
[INFO] [stdout]    --> src/main.rs:340:10
[INFO] [stdout]     |
[INFO] [stdout] 340 |   pub fn read_ident(&mut self) -> Option<Matcher> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "ba2ccad89383176426a97e19abbde1ed7d7c346d03992fe642395971bcb6684f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2ccad89383176426a97e19abbde1ed7d7c346d03992fe642395971bcb6684f", kill_on_drop: false }`
[INFO] [stdout] ba2ccad89383176426a97e19abbde1ed7d7c346d03992fe642395971bcb6684f