[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