[INFO] cloning repository https://github.com/stew3254/rust-bar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stew3254/rust-bar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstew3254%2Frust-bar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstew3254%2Frust-bar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7052a88cac4669f4d291c33b57aaf04b8034fe9
[INFO] checking stew3254/rust-bar against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstew3254%2Frust-bar" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stew3254/rust-bar on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stew3254/rust-bar
[INFO] finished tweaking git repo https://github.com/stew3254/rust-bar
[INFO] tweaked toml for git repo https://github.com/stew3254/rust-bar written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stew3254/rust-bar 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.15
[INFO] [stderr]   Downloaded sysinfo v0.15.7
[INFO] [stderr]   Downloaded handlebars v3.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54566ef5f72196eb63d59926bc807c60621f49287596bcf51ace008c0bba7ec4
[INFO] running `Command { std: "docker" "start" "-a" "54566ef5f72196eb63d59926bc807c60621f49287596bcf51ace008c0bba7ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54566ef5f72196eb63d59926bc807c60621f49287596bcf51ace008c0bba7ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54566ef5f72196eb63d59926bc807c60621f49287596bcf51ace008c0bba7ec4", kill_on_drop: false }`
[INFO] [stdout] 54566ef5f72196eb63d59926bc807c60621f49287596bcf51ace008c0bba7ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44c18ab25af252e8958642d36b35dbb6914dc17d90156d07cecf0bf9eb209588
[INFO] running `Command { std: "docker" "start" "-a" "44c18ab25af252e8958642d36b35dbb6914dc17d90156d07cecf0bf9eb209588", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.15.7
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.3.0
[INFO] [stderr]     Checking serde_with v1.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking handlebars v3.5.2
[INFO] [stderr]     Checking i3status-bar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DiskExt` and `ProcessorExt`
[INFO] [stdout]  --> src/main.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sysinfo::{SystemExt, DiskExt, ProcessorExt};
[INFO] [stdout]   |                          ^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DiskExt` and `ProcessorExt`
[INFO] [stdout]  --> src/main.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sysinfo::{SystemExt, DiskExt, ProcessorExt};
[INFO] [stdout]   |                          ^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:129:3
[INFO] [stdout]     |
[INFO] [stdout] 96  | /   loop {
[INFO] [stdout] 97  | |     let start = Instant::now();
[INFO] [stdout] 98  | |     for block in &mut blocks {
[INFO] [stdout] 99  | |       if let Some(name) = &block.name {
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     sleep(Duration::from_secs(1) - (Instant::now() - start));
[INFO] [stdout] 128 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 129 |     Ok(())
[INFO] [stdout]     |     ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:129:3
[INFO] [stdout]     |
[INFO] [stdout] 96  | /   loop {
[INFO] [stdout] 97  | |     let start = Instant::now();
[INFO] [stdout] 98  | |     for block in &mut blocks {
[INFO] [stdout] 99  | |       if let Some(name) = &block.name {
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     sleep(Duration::from_secs(1) - (Instant::now() - start));
[INFO] [stdout] 128 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 129 |     Ok(())
[INFO] [stdout]     |     ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/main.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn do_cpu(sys: &mut sysinfo::System, block: &mut Field) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/main.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn do_cpu(sys: &mut sysinfo::System, block: &mut Field) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]   --> src/main.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |   let (module, mut blocks) = read_config(file_name)?;
[INFO] [stdout]    |        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]   --> src/main.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |   let (module, mut blocks) = read_config(file_name)?;
[INFO] [stdout]    |        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_closures` is never used
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn gen_closures() -> Vec<Box<dyn FnMut(&mut Field)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_cpu` is never used
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn do_cpu(sys: &mut sysinfo::System, block: &mut Field) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_closures` is never used
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn gen_closures() -> Vec<Box<dyn FnMut(&mut Field)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_cpu` is never used
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn do_cpu(sys: &mut sysinfo::System, block: &mut Field) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "44c18ab25af252e8958642d36b35dbb6914dc17d90156d07cecf0bf9eb209588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c18ab25af252e8958642d36b35dbb6914dc17d90156d07cecf0bf9eb209588", kill_on_drop: false }`
[INFO] [stdout] 44c18ab25af252e8958642d36b35dbb6914dc17d90156d07cecf0bf9eb209588