[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 master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdytlzl%2Fjamo_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dytlzl/jamo_rust on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6731740b2600d013b68477602ef7aa5a38bc09fdd435525f92974e37cbd22532
[INFO] running `Command { std: "docker" "start" "-a" "6731740b2600d013b68477602ef7aa5a38bc09fdd435525f92974e37cbd22532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6731740b2600d013b68477602ef7aa5a38bc09fdd435525f92974e37cbd22532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6731740b2600d013b68477602ef7aa5a38bc09fdd435525f92974e37cbd22532", kill_on_drop: false }`
[INFO] [stdout] 6731740b2600d013b68477602ef7aa5a38bc09fdd435525f92974e37cbd22532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2695cec221a70dab3de12cd9d7f67354a5255a3615185a10374e016ffb474d2
[INFO] running `Command { std: "docker" "start" "-a" "a2695cec221a70dab3de12cd9d7f67354a5255a3615185a10374e016ffb474d2", 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "a2695cec221a70dab3de12cd9d7f67354a5255a3615185a10374e016ffb474d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2695cec221a70dab3de12cd9d7f67354a5255a3615185a10374e016ffb474d2", kill_on_drop: false }`
[INFO] [stdout] a2695cec221a70dab3de12cd9d7f67354a5255a3615185a10374e016ffb474d2