[INFO] cloning repository https://github.com/GimYoungPhil/cracking_codes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GimYoungPhil/cracking_codes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGimYoungPhil%2Fcracking_codes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGimYoungPhil%2Fcracking_codes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c095137d8e7306fe0e40ff3c6f6fd7101b56e3f6
[INFO] checking GimYoungPhil/cracking_codes against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGimYoungPhil%2Fcracking_codes" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GimYoungPhil/cracking_codes on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GimYoungPhil/cracking_codes
[INFO] finished tweaking git repo https://github.com/GimYoungPhil/cracking_codes
[INFO] tweaked toml for git repo https://github.com/GimYoungPhil/cracking_codes written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GimYoungPhil/cracking_codes 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking GimYoungPhil/cracking_codes against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGimYoungPhil%2Fcracking_codes" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GimYoungPhil/cracking_codes on toolchain 031b389f0c31c0f91c9464d26313ae513dbe8d36
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GimYoungPhil/cracking_codes
[INFO] finished tweaking git repo https://github.com/GimYoungPhil/cracking_codes
[INFO] tweaked toml for git repo https://github.com/GimYoungPhil/cracking_codes written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GimYoungPhil/cracking_codes 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" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04c60b17785f4859787817acf467203ae1034b1e319e29c3a3d7e7dd0d27f05
[INFO] running `Command { std: "docker" "start" "-a" "f04c60b17785f4859787817acf467203ae1034b1e319e29c3a3d7e7dd0d27f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04c60b17785f4859787817acf467203ae1034b1e319e29c3a3d7e7dd0d27f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04c60b17785f4859787817acf467203ae1034b1e319e29c3a3d7e7dd0d27f05", kill_on_drop: false }`
[INFO] [stdout] f04c60b17785f4859787817acf467203ae1034b1e319e29c3a3d7e7dd0d27f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d557463616bb36d3084df9ae1e729729af396a8dcae9824f10fe073ad7fc043e
[INFO] running `Command { std: "docker" "start" "-a" "d557463616bb36d3084df9ae1e729729af396a8dcae9824f10fe073ad7fc043e", kill_on_drop: false }`
[INFO] [stderr]     Checking cracking_codes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `case` and `power` are never read
[INFO] [stdout]   --> src/estimate.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct CustomPC {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     case: Hardware,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 46 |     power: Hardware,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RAM` is never used
[INFO] [stdout]  --> src/estimate.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum RAM {
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SSD` is never used
[INFO] [stdout]  --> src/estimate.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum SSD {
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HDD` is never used
[INFO] [stdout]   --> src/estimate.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum HDD {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Hardware` is never used
[INFO] [stdout]   --> src/estimate.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | type Hardware = (String, u32, u32);
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HardwareRAM` is never used
[INFO] [stdout]   --> src/estimate.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | type HardwareRAM = (String, u32, u32, RAM);
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HardwareSSD` is never used
[INFO] [stdout]   --> src/estimate.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | type HardwareSSD = (String, u32, u32, SSD);
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HardwareHDD` is never used
[INFO] [stdout]   --> src/estimate.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | type HardwareHDD = (String, u32, u32, HDD);
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomPC` is never constructed
[INFO] [stdout]   --> src/estimate.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct CustomPC {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `price_total` is never used
[INFO] [stdout]   --> src/estimate.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl CustomPC {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 52 |     fn price_total(self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `work` is never used
[INFO] [stdout]   --> src/estimate.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn work() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "d557463616bb36d3084df9ae1e729729af396a8dcae9824f10fe073ad7fc043e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d557463616bb36d3084df9ae1e729729af396a8dcae9824f10fe073ad7fc043e", kill_on_drop: false }`
[INFO] [stdout] d557463616bb36d3084df9ae1e729729af396a8dcae9824f10fe073ad7fc043e