[INFO] cloning repository https://github.com/H4rmey/rust_traffic_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/H4rmey/rust_traffic_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH4rmey%2Frust_traffic_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH4rmey%2Frust_traffic_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9db56e86bd3a967513c019effcb580041038152f
[INFO] checking H4rmey/rust_traffic_sim against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH4rmey%2Frust_traffic_sim" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/H4rmey/rust_traffic_sim on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/H4rmey/rust_traffic_sim
[INFO] finished tweaking git repo https://github.com/H4rmey/rust_traffic_sim
[INFO] tweaked toml for git repo https://github.com/H4rmey/rust_traffic_sim written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/H4rmey/rust_traffic_sim 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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "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 H4rmey/rust_traffic_sim against try#3d5258f568a4b4970d455e4e29f39fd691b5a41a for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH4rmey%2Frust_traffic_sim" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/H4rmey/rust_traffic_sim on toolchain 3d5258f568a4b4970d455e4e29f39fd691b5a41a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/H4rmey/rust_traffic_sim
[INFO] finished tweaking git repo https://github.com/H4rmey/rust_traffic_sim
[INFO] tweaked toml for git repo https://github.com/H4rmey/rust_traffic_sim written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/H4rmey/rust_traffic_sim 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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 136e9e9d475688f94edef62907b71215ddef48f172fcf7141fb9b016a4a6191f
[INFO] running `Command { std: "docker" "start" "-a" "136e9e9d475688f94edef62907b71215ddef48f172fcf7141fb9b016a4a6191f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "136e9e9d475688f94edef62907b71215ddef48f172fcf7141fb9b016a4a6191f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136e9e9d475688f94edef62907b71215ddef48f172fcf7141fb9b016a4a6191f", kill_on_drop: false }`
[INFO] [stdout] 136e9e9d475688f94edef62907b71215ddef48f172fcf7141fb9b016a4a6191f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0c46f5dc5cdd6f3842b537ba3ae26fa9c3bc4c3de12b38a03a7ae48622f69d
[INFO] running `Command { std: "docker" "start" "-a" "9b0c46f5dc5cdd6f3842b537ba3ae26fa9c3bc4c3de12b38a03a7ae48622f69d", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_traffic_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crossing::Crossing`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crossing::Crossing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Crossing` is never constructed
[INFO] [stdout]  --> src/crossing.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Crossing
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/crossing.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Crossing
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 | {
[INFO] [stdout] 15 |     pub fn new()
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InputBuffer` is never constructed
[INFO] [stdout]  --> src/crossing/inputBuffer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct InputBuffer
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Road` is never constructed
[INFO] [stdout]  --> src/crossing/road.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Road
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `inputBuffer` should have a snake case name
[INFO] [stdout]  --> src/crossing.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod inputBuffer;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `input_buffer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossing::Crossing`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crossing::Crossing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] warning: struct `Crossing` is never constructed
[INFO] [stdout]  --> src/crossing.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Crossing
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/crossing.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Crossing
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 | {
[INFO] [stdout] 15 |     pub fn new()
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InputBuffer` is never constructed
[INFO] [stdout]  --> src/crossing/inputBuffer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct InputBuffer
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Road` is never constructed
[INFO] [stdout]  --> src/crossing/road.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Road
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `inputBuffer` should have a snake case name
[INFO] [stdout]  --> src/crossing.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod inputBuffer;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `input_buffer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b0c46f5dc5cdd6f3842b537ba3ae26fa9c3bc4c3de12b38a03a7ae48622f69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0c46f5dc5cdd6f3842b537ba3ae26fa9c3bc4c3de12b38a03a7ae48622f69d", kill_on_drop: false }`
[INFO] [stdout] 9b0c46f5dc5cdd6f3842b537ba3ae26fa9c3bc4c3de12b38a03a7ae48622f69d