[INFO] cloning repository https://github.com/SaltyKitkat/iur
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaltyKitkat/iur" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltyKitkat%2Fiur", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltyKitkat%2Fiur'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8405f676d73370dbd7195c61d9a774251d3d4345
[INFO] checking SaltyKitkat/iur against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltyKitkat%2Fiur" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaltyKitkat/iur on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SaltyKitkat/iur
[INFO] finished tweaking git repo https://github.com/SaltyKitkat/iur
[INFO] tweaked toml for git repo https://github.com/SaltyKitkat/iur written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SaltyKitkat/iur 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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 SaltyKitkat/iur against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltyKitkat%2Fiur" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaltyKitkat/iur on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SaltyKitkat/iur
[INFO] finished tweaking git repo https://github.com/SaltyKitkat/iur
[INFO] tweaked toml for git repo https://github.com/SaltyKitkat/iur written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SaltyKitkat/iur 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmedium v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad5c7c8f9551ad6ee1ed55f67cbc73d0d77cb7ddfd1bc0c52e69d4798c651325
[INFO] running `Command { std: "docker" "start" "-a" "ad5c7c8f9551ad6ee1ed55f67cbc73d0d77cb7ddfd1bc0c52e69d4798c651325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad5c7c8f9551ad6ee1ed55f67cbc73d0d77cb7ddfd1bc0c52e69d4798c651325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5c7c8f9551ad6ee1ed55f67cbc73d0d77cb7ddfd1bc0c52e69d4798c651325", kill_on_drop: false }`
[INFO] [stdout] ad5c7c8f9551ad6ee1ed55f67cbc73d0d77cb7ddfd1bc0c52e69d4798c651325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8977cd4db7edc9842ca81ae0edd4665df17f84d43da12a340e26b2f8da614a
[INFO] running `Command { std: "docker" "start" "-a" "4d8977cd4db7edc9842ca81ae0edd4665df17f84d43da12a340e26b2f8da614a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking libmedium v0.5.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iur v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conf`
[INFO] [stdout]  --> src/modes/rw/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn apply(conf: Config) -> ! {
[INFO] [stdout]   |              ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conf`
[INFO] [stdout]  --> src/modes/rw/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn apply(conf: Config) -> ! {
[INFO] [stdout]   |              ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_path`
[INFO] [stdout]  --> src/config/mod.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn from_file(config_path: &Path) -> Option<Config> {
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_path`
[INFO] [stdout]  --> src/config/mod.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn from_file(config_path: &Path) -> Option<Config> {
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/config/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/config/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `undervolts`, `powerlimit`, and `tjoffset` are never read
[INFO] [stdout]  --> src/config/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     undervolts: [i32; 5],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     powerlimit: [i32; 2],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tjoffset: Option<i32>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `undervolts`, `powerlimit`, and `tjoffset` are never read
[INFO] [stdout]  --> src/config/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     undervolts: [i32; 5],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     powerlimit: [i32; 2],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tjoffset: Option<i32>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "4d8977cd4db7edc9842ca81ae0edd4665df17f84d43da12a340e26b2f8da614a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8977cd4db7edc9842ca81ae0edd4665df17f84d43da12a340e26b2f8da614a", kill_on_drop: false }`
[INFO] [stdout] 4d8977cd4db7edc9842ca81ae0edd4665df17f84d43da12a340e26b2f8da614a