[INFO] cloning repository https://github.com/boxbeam/vividlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boxbeam/vividlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxbeam%2Fvividlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxbeam%2Fvividlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79f8b2fe08c9d68e10f77f09c89b72ddab609298
[INFO] checking boxbeam/vividlang against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxbeam%2Fvividlang" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/boxbeam/vividlang
[INFO] finished tweaking git repo https://github.com/boxbeam/vividlang
[INFO] tweaked toml for git repo https://github.com/boxbeam/vividlang written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/boxbeam/vividlang on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/boxbeam/vividlang 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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.42
[INFO] [stderr]   Downloaded unicode-ident v1.0.22
[INFO] [stderr]   Downloaded untwine_macros v0.9.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.103
[INFO] [stderr]   Downloaded syn v2.0.111
[INFO] [stderr]   Downloaded untwine v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05e2fc4597c4fe290ce6cf4a94ae6e8a2eb8e045bdc6e0e05b0228cec126cf09
[INFO] running `Command { std: "docker" "start" "-a" "05e2fc4597c4fe290ce6cf4a94ae6e8a2eb8e045bdc6e0e05b0228cec126cf09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05e2fc4597c4fe290ce6cf4a94ae6e8a2eb8e045bdc6e0e05b0228cec126cf09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e2fc4597c4fe290ce6cf4a94ae6e8a2eb8e045bdc6e0e05b0228cec126cf09", kill_on_drop: false }`
[INFO] [stdout] 05e2fc4597c4fe290ce6cf4a94ae6e8a2eb8e045bdc6e0e05b0228cec126cf09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 550c0c299b3076e42917d1ba25a1f9022bcda0d1aa2024c1edb043b1ea16de61
[INFO] running `Command { std: "docker" "start" "-a" "550c0c299b3076e42917d1ba25a1f9022bcda0d1aa2024c1edb043b1ea16de61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling untwine_macros v0.9.4
[INFO] [stderr]     Checking untwine v0.9.4
[INFO] [stderr]     Checking interpreter_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `lookup_or_load` is never used
[INFO] [stdout]    --> src/registry.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | / impl<K, V> Registry<K, V, NoRedefine>
[INFO] [stdout] 149 | | where
[INFO] [stdout] 150 | |     K: Eq + Hash + Debug + Clone,
[INFO] [stdout] 151 | |     V: Debug,
[INFO] [stdout]     | |_____________- method in this implementation
[INFO] [stdout] 152 |   {
[INFO] [stdout] 153 |       pub fn lookup_or_load<E>(
[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 `lookup_or_load` is never used
[INFO] [stdout]    --> src/registry.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | / impl<K, V> Registry<K, V, NoRedefine>
[INFO] [stdout] 149 | | where
[INFO] [stdout] 150 | |     K: Eq + Hash + Debug + Clone,
[INFO] [stdout] 151 | |     V: Debug,
[INFO] [stdout]     | |_____________- method in this implementation
[INFO] [stdout] 152 |   {
[INFO] [stdout] 153 |       pub fn lookup_or_load<E>(
[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 7.54s
[INFO] running `Command { std: "docker" "inspect" "550c0c299b3076e42917d1ba25a1f9022bcda0d1aa2024c1edb043b1ea16de61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550c0c299b3076e42917d1ba25a1f9022bcda0d1aa2024c1edb043b1ea16de61", kill_on_drop: false }`
[INFO] [stdout] 550c0c299b3076e42917d1ba25a1f9022bcda0d1aa2024c1edb043b1ea16de61
