[INFO] cloning repository https://github.com/yukimemi/rog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukimemi/rog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Frog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Frog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e73cb2f317e8228bc105b6ce5a8a0513189c1a4
[INFO] checking yukimemi/rog against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Frog" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukimemi/rog on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yukimemi/rog
[INFO] finished tweaking git repo https://github.com/yukimemi/rog
[INFO] tweaked toml for git repo https://github.com/yukimemi/rog written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yukimemi/rog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a30609307a62b77a1a94d677af3caaae4e217d0f7517677cd4f25683ad615d6
[INFO] running `Command { std: "docker" "start" "-a" "9a30609307a62b77a1a94d677af3caaae4e217d0f7517677cd4f25683ad615d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a30609307a62b77a1a94d677af3caaae4e217d0f7517677cd4f25683ad615d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a30609307a62b77a1a94d677af3caaae4e217d0f7517677cd4f25683ad615d6", kill_on_drop: false }`
[INFO] [stdout] 9a30609307a62b77a1a94d677af3caaae4e217d0f7517677cd4f25683ad615d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 589a39d2a78326a2e68fdd3e23f00a329f979c4d67ff76ce534a8fa245aeb5ea
[INFO] running `Command { std: "docker" "start" "-a" "589a39d2a78326a2e68fdd3e23f00a329f979c4d67ff76ce534a8fa245aeb5ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking unicode-bom v1.1.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rust-embed-impl v4.4.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking rust-embed v4.4.0
[INFO] [stderr]    Compiling bindata-impl v0.1.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking envy v0.4.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking bindata v0.1.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking config v0.9.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]   --> src/main.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::process::{Command, Stdio};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]   --> src/main.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::process::{Command, Stdio};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/main.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let out = Command::new(&gonkf_path)
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/main.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let out = Command::new(&gonkf_path)
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grep`
[INFO] [stdout]    --> src/main.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn grep(content: String, greps: Vec<String>) -> Vec<String> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fix_header`
[INFO] [stdout]    --> src/main.rs:453:8
[INFO] [stdout]     |
[INFO] [stdout] 453 |     fn fix_header<P: AsRef<Path>>(&self, path: P) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | /         &out.fields.iter().for_each(|field| {
[INFO] [stdout] 351 | |             let def = "".to_string();
[INFO] [stdout] 352 | |             let f = line.msg.get(field).unwrap_or(&def);
[INFO] [stdout] 353 | |             if field == "time_fix" {
[INFO] [stdout] ...   |
[INFO] [stdout] 357 | |             }
[INFO] [stdout] 358 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:394:13
[INFO] [stdout]     |
[INFO] [stdout] 394 | /             &out.fields.iter().for_each(|field| {
[INFO] [stdout] 395 | |                 let def = "".to_string();
[INFO] [stdout] 396 | |                 let f = line.msg.get(field).unwrap_or(&def);
[INFO] [stdout] 397 | |                 if field == "time_fix" {
[INFO] [stdout] ...   |
[INFO] [stdout] 401 | |                 }
[INFO] [stdout] 402 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grep`
[INFO] [stdout]    --> src/main.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn grep(content: String, greps: Vec<String>) -> Vec<String> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fix_header`
[INFO] [stdout]    --> src/main.rs:453:8
[INFO] [stdout]     |
[INFO] [stdout] 453 |     fn fix_header<P: AsRef<Path>>(&self, path: P) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | /         &out.fields.iter().for_each(|field| {
[INFO] [stdout] 351 | |             let def = "".to_string();
[INFO] [stdout] 352 | |             let f = line.msg.get(field).unwrap_or(&def);
[INFO] [stdout] 353 | |             if field == "time_fix" {
[INFO] [stdout] ...   |
[INFO] [stdout] 357 | |             }
[INFO] [stdout] 358 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:394:13
[INFO] [stdout]     |
[INFO] [stdout] 394 | /             &out.fields.iter().for_each(|field| {
[INFO] [stdout] 395 | |                 let def = "".to_string();
[INFO] [stdout] 396 | |                 let f = line.msg.get(field).unwrap_or(&def);
[INFO] [stdout] 397 | |                 if field == "time_fix" {
[INFO] [stdout] ...   |
[INFO] [stdout] 401 | |                 }
[INFO] [stdout] 402 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.59s
[INFO] running `Command { std: "docker" "inspect" "589a39d2a78326a2e68fdd3e23f00a329f979c4d67ff76ce534a8fa245aeb5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589a39d2a78326a2e68fdd3e23f00a329f979c4d67ff76ce534a8fa245aeb5ea", kill_on_drop: false }`
[INFO] [stdout] 589a39d2a78326a2e68fdd3e23f00a329f979c4d67ff76ce534a8fa245aeb5ea