[INFO] cloning repository https://github.com/mjxko/c4_rust_Dibba-Al-Hisn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjxko/c4_rust_Dibba-Al-Hisn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjxko%2Fc4_rust_Dibba-Al-Hisn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjxko%2Fc4_rust_Dibba-Al-Hisn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 933ad8b17053e1d47358e23f575a2ced72fc47e1
[INFO] checking mjxko/c4_rust_Dibba-Al-Hisn against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjxko%2Fc4_rust_Dibba-Al-Hisn" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn
[INFO] finished tweaking git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn
[INFO] tweaked toml for git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "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 mjxko/c4_rust_Dibba-Al-Hisn against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjxko%2Fc4_rust_Dibba-Al-Hisn" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn
[INFO] finished tweaking git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn
[INFO] tweaked toml for git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mjxko/c4_rust_Dibba-Al-Hisn 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c5b03f5cfe0e64a1ab4532cd784bf9d132c619a75e7e312088f3238c8f3da55
[INFO] running `Command { std: "docker" "start" "-a" "3c5b03f5cfe0e64a1ab4532cd784bf9d132c619a75e7e312088f3238c8f3da55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c5b03f5cfe0e64a1ab4532cd784bf9d132c619a75e7e312088f3238c8f3da55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5b03f5cfe0e64a1ab4532cd784bf9d132c619a75e7e312088f3238c8f3da55", kill_on_drop: false }`
[INFO] [stdout] 3c5b03f5cfe0e64a1ab4532cd784bf9d132c619a75e7e312088f3238c8f3da55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b7b9d2175c5fc88b601f2930c5dbe010d935d6b4c637afb9ea0ba34e387f5de
[INFO] running `Command { std: "docker" "start" "-a" "3b7b9d2175c5fc88b601f2930c5dbe010d935d6b4c637afb9ea0ba34e387f5de", kill_on_drop: false }`
[INFO] [stderr]     Checking c4_rust_Dibba-Al-Hisn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  9 |     Fun, Sys, Glo, Loc,  // Function, System, Global, Local
[INFO] [stdout]    |     ^^^  ^^^  ^^^  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Char, Else, Enum, If, Int, Return, Sizeof, While,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Cond,       // ?
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Lor, Lan,   // || and &&
[INFO] [stdout] 18 |     Or, Xor, And,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     Brak,       // [
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are 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: enum `Type` is never used
[INFO] [stdout]   --> src/token.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Class` is never used
[INFO] [stdout]   --> src/token.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `token_name` is never used
[INFO] [stdout]   --> src/token.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn token_name(token: &Token) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  9 |     Fun, Sys, Glo, Loc,  // Function, System, Global, Local
[INFO] [stdout]    |     ^^^  ^^^  ^^^  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Char, Else, Enum, If, Int, Return, Sizeof, While,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Cond,       // ?
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Lor, Lan,   // || and &&
[INFO] [stdout] 18 |     Or, Xor, And,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     Brak,       // [
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are 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: enum `Type` is never used
[INFO] [stdout]   --> src/token.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Class` is never used
[INFO] [stdout]   --> src/token.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Class {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `token_name` is never used
[INFO] [stdout]   --> src/token.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn token_name(token: &Token) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "3b7b9d2175c5fc88b601f2930c5dbe010d935d6b4c637afb9ea0ba34e387f5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7b9d2175c5fc88b601f2930c5dbe010d935d6b4c637afb9ea0ba34e387f5de", kill_on_drop: false }`
[INFO] [stdout] 3b7b9d2175c5fc88b601f2930c5dbe010d935d6b4c637afb9ea0ba34e387f5de
