[INFO] cloning repository https://github.com/iracigt/lichen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iracigt/lichen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firacigt%2Flichen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firacigt%2Flichen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4842b07196b03b252997d8a7d88e24244db7b631
[INFO] checking iracigt/lichen against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firacigt%2Flichen" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iracigt/lichen
[INFO] finished tweaking git repo https://github.com/iracigt/lichen
[INFO] tweaked toml for git repo https://github.com/iracigt/lichen written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iracigt/lichen on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iracigt/lichen 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c137b5153efef44d827323cdeaa7746b10b9eea64ecbe80784fc7c0a530e05f2
[INFO] running `Command { std: "docker" "start" "-a" "c137b5153efef44d827323cdeaa7746b10b9eea64ecbe80784fc7c0a530e05f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c137b5153efef44d827323cdeaa7746b10b9eea64ecbe80784fc7c0a530e05f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c137b5153efef44d827323cdeaa7746b10b9eea64ecbe80784fc7c0a530e05f2", kill_on_drop: false }`
[INFO] [stdout] c137b5153efef44d827323cdeaa7746b10b9eea64ecbe80784fc7c0a530e05f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea1b7dd8bc71bfb68f6c75eb8911d88003c908e2260e514a42029591709ad4a
[INFO] running `Command { std: "docker" "start" "-a" "5ea1b7dd8bc71bfb68f6c75eb8911d88003c908e2260e514a42029591709ad4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling onig_sys v69.7.1
[INFO] [stderr]     Checking plist v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking onig v6.3.1
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stderr]     Checking lichen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `filename` and `contents` are never read
[INFO] [stdout]   --> src/frontend.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct CodeUnit<T> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 24 |     filename: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     contents: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `score` is never used
[INFO] [stdout]    --> src/backend.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | / impl<T, H, K> Backend<T, K, H> 
[INFO] [stdout]  65 | | where
[INFO] [stdout]  66 | |     T : Token,
[INFO] [stdout]  67 | |     K : Eq + Hash + Clone,
[INFO] [stdout]  68 | |     H : for<'r> Fn(usize, ElemIter<'r, &T>) -> K,
[INFO] [stdout]     | |_________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |       pub fn score(&self, sub: &Submission<T>) -> Vec<Match> {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename` and `contents` are never read
[INFO] [stdout]   --> src/frontend.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct CodeUnit<T> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 24 |     filename: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     contents: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[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 12.50s
[INFO] [stdout] warning: method `score` is never used
[INFO] [stdout]    --> src/backend.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | / impl<T, H, K> Backend<T, K, H> 
[INFO] [stdout]  65 | | where
[INFO] [stdout]  66 | |     T : Token,
[INFO] [stdout]  67 | |     K : Eq + Hash + Clone,
[INFO] [stdout]  68 | |     H : for<'r> Fn(usize, ElemIter<'r, &T>) -> K,
[INFO] [stdout]     | |_________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |       pub fn score(&self, sub: &Submission<T>) -> Vec<Match> {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ea1b7dd8bc71bfb68f6c75eb8911d88003c908e2260e514a42029591709ad4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea1b7dd8bc71bfb68f6c75eb8911d88003c908e2260e514a42029591709ad4a", kill_on_drop: false }`
[INFO] [stdout] 5ea1b7dd8bc71bfb68f6c75eb8911d88003c908e2260e514a42029591709ad4a
