[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#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Frog" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukimemi/rog on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7be219a2ff7d06b7ab5dbf287a74afc0693fd0e8f0a7e4fbb091b8aabf26c80
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7be219a2ff7d06b7ab5dbf287a74afc0693fd0e8f0a7e4fbb091b8aabf26c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7be219a2ff7d06b7ab5dbf287a74afc0693fd0e8f0a7e4fbb091b8aabf26c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7be219a2ff7d06b7ab5dbf287a74afc0693fd0e8f0a7e4fbb091b8aabf26c80", kill_on_drop: false }`
[INFO] [stdout] d7be219a2ff7d06b7ab5dbf287a74afc0693fd0e8f0a7e4fbb091b8aabf26c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d291179d08c173dd18a6a632242f2c967f9906231bc63670d96ccefd96f2c75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d291179d08c173dd18a6a632242f2c967f9906231bc63670d96ccefd96f2c75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-bom v1.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling quote v0.6.12
[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 backtrace-sys v0.1.28
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling rust-embed-impl v4.4.0
[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 serde-hjson v0.8.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking bindata v0.1.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[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]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking config v0.9.2
[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: 4 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "0d291179d08c173dd18a6a632242f2c967f9906231bc63670d96ccefd96f2c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d291179d08c173dd18a6a632242f2c967f9906231bc63670d96ccefd96f2c75", kill_on_drop: false }`
[INFO] [stdout] 0d291179d08c173dd18a6a632242f2c967f9906231bc63670d96ccefd96f2c75