[INFO] cloning repository https://github.com/mr-crunch/bargain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mr-crunch/bargain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-crunch%2Fbargain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-crunch%2Fbargain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 176ce3b8b00ddc2b32dd3445d9ae6b40b5289bb9
[INFO] checking mr-crunch/bargain against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-crunch%2Fbargain" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mr-crunch/bargain
[INFO] finished tweaking git repo https://github.com/mr-crunch/bargain
[INFO] tweaked toml for git repo https://github.com/mr-crunch/bargain written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mr-crunch/bargain on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mr-crunch/bargain 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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 mr-crunch/bargain against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-crunch%2Fbargain" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mr-crunch/bargain
[INFO] finished tweaking git repo https://github.com/mr-crunch/bargain
[INFO] tweaked toml for git repo https://github.com/mr-crunch/bargain written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mr-crunch/bargain on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mr-crunch/bargain 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e604d93d663b93f096a91cb529f5c563ee96f545ca31722ea9325853bd01c4
[INFO] running `Command { std: "docker" "start" "-a" "c2e604d93d663b93f096a91cb529f5c563ee96f545ca31722ea9325853bd01c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e604d93d663b93f096a91cb529f5c563ee96f545ca31722ea9325853bd01c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e604d93d663b93f096a91cb529f5c563ee96f545ca31722ea9325853bd01c4", kill_on_drop: false }`
[INFO] [stdout] c2e604d93d663b93f096a91cb529f5c563ee96f545ca31722ea9325853bd01c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a6ead915278eedc0ddb9b3095e666c3d8683165b50352624a488bcc5c13b1e
[INFO] running `Command { std: "docker" "start" "-a" "e4a6ead915278eedc0ddb9b3095e666c3d8683165b50352624a488bcc5c13b1e", kill_on_drop: false }`
[INFO] [stderr]     Checking bills v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `month`
[INFO] [stdout]    --> src/lib.rs:224:18
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn edit_menu(month: &mut Month) {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_month`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]    --> src/lib.rs:236:19
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn print_year(year: &HashMap<String, Month>) {
[INFO] [stdout]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `paid` is never used
[INFO] [stdout]    --> src/lib.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | impl Bill {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 164 |     fn paid(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `month`
[INFO] [stdout]    --> src/lib.rs:224:18
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn edit_menu(month: &mut Month) {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_month`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]    --> src/lib.rs:236:19
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn print_year(year: &HashMap<String, Month>) {
[INFO] [stdout]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `paid` is never used
[INFO] [stdout]    --> src/lib.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | impl Bill {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 164 |     fn paid(&mut self) {
[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 0.12s
[INFO] running `Command { std: "docker" "inspect" "e4a6ead915278eedc0ddb9b3095e666c3d8683165b50352624a488bcc5c13b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a6ead915278eedc0ddb9b3095e666c3d8683165b50352624a488bcc5c13b1e", kill_on_drop: false }`
[INFO] [stdout] e4a6ead915278eedc0ddb9b3095e666c3d8683165b50352624a488bcc5c13b1e