[INFO] cloning repository https://github.com/dytlzl/jamo_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dytlzl/jamo_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdytlzl%2Fjamo_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdytlzl%2Fjamo_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc38c8d82556c6303fb7433e8f69d610a4c2bced
[INFO] checking dytlzl/jamo_rust against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdytlzl%2Fjamo_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dytlzl/jamo_rust
[INFO] finished tweaking git repo https://github.com/dytlzl/jamo_rust
[INFO] tweaked toml for git repo https://github.com/dytlzl/jamo_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dytlzl/jamo_rust on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dytlzl/jamo_rust 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking dytlzl/jamo_rust against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdytlzl%2Fjamo_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dytlzl/jamo_rust
[INFO] finished tweaking git repo https://github.com/dytlzl/jamo_rust
[INFO] tweaked toml for git repo https://github.com/dytlzl/jamo_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dytlzl/jamo_rust on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dytlzl/jamo_rust 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92e90ad39a1c9c08acbd0b7fa82300b6b3f1d0af94232227b98dc2dc934579fa
[INFO] running `Command { std: "docker" "start" "-a" "92e90ad39a1c9c08acbd0b7fa82300b6b3f1d0af94232227b98dc2dc934579fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92e90ad39a1c9c08acbd0b7fa82300b6b3f1d0af94232227b98dc2dc934579fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e90ad39a1c9c08acbd0b7fa82300b6b3f1d0af94232227b98dc2dc934579fa", kill_on_drop: false }`
[INFO] [stdout] 92e90ad39a1c9c08acbd0b7fa82300b6b3f1d0af94232227b98dc2dc934579fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8f01833ca0efd7bd384d969e8bb783a8f608abeb2273ad557f0885574e432d7
[INFO] running `Command { std: "docker" "start" "-a" "f8f01833ca0efd7bd384d969e8bb783a8f608abeb2273ad557f0885574e432d7", kill_on_drop: false }`
[INFO] [stderr]     Checking jamo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `vowel_rev_dict` is never read
[INFO] [stdout]    --> src/hangul.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct JamoContext {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] 186 |     lead_rev_dict: HashMap<&'static str, usize>,
[INFO] [stdout] 187 |     vowel_rev_dict: HashMap<&'static str, usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JamoContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vowel_rev_dict` is never read
[INFO] [stdout]    --> src/hangul.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct JamoContext {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] 186 |     lead_rev_dict: HashMap<&'static str, usize>,
[INFO] [stdout] 187 |     vowel_rev_dict: HashMap<&'static str, usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JamoContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "f8f01833ca0efd7bd384d969e8bb783a8f608abeb2273ad557f0885574e432d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f01833ca0efd7bd384d969e8bb783a8f608abeb2273ad557f0885574e432d7", kill_on_drop: false }`
[INFO] [stdout] f8f01833ca0efd7bd384d969e8bb783a8f608abeb2273ad557f0885574e432d7
