[INFO] cloning repository https://github.com/furcb/tmux_custom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/furcb/tmux_custom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffurcb%2Ftmux_custom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffurcb%2Ftmux_custom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28969105f462a18be9cd73ba331a647fe9e44959
[INFO] checking furcb/tmux_custom against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffurcb%2Ftmux_custom" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/furcb/tmux_custom on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/furcb/tmux_custom
[INFO] finished tweaking git repo https://github.com/furcb/tmux_custom
[INFO] tweaked toml for git repo https://github.com/furcb/tmux_custom written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/furcb/tmux_custom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subprocess v0.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9256d22f2ccab95e16c42ce801f9de8a99c9c6e3bb00f26cd554c47a306fe42e
[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" "9256d22f2ccab95e16c42ce801f9de8a99c9c6e3bb00f26cd554c47a306fe42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9256d22f2ccab95e16c42ce801f9de8a99c9c6e3bb00f26cd554c47a306fe42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9256d22f2ccab95e16c42ce801f9de8a99c9c6e3bb00f26cd554c47a306fe42e", kill_on_drop: false }`
[INFO] [stdout] 9256d22f2ccab95e16c42ce801f9de8a99c9c6e3bb00f26cd554c47a306fe42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97db49c6cd4344439658c7b6016066b2c07c265b60fda5a616363222beb3bf0f
[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" "97db49c6cd4344439658c7b6016066b2c07c265b60fda5a616363222beb3bf0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tmux_custom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Match`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use regex::{Match, Regex};
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Match`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use regex::{Match, Regex};
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut v_t = lines.trim().split('\n').collect::<Vec<&str>>();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut v_t = lines.trim().split('\n').collect::<Vec<&str>>();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `date_regex` should have an upper case name
[INFO] [stdout]   --> src/main.rs:92:20
[INFO] [stdout]    |
[INFO] [stdout] 92 |         static ref date_regex: Regex = Regex::new(r"[A-z]{3}\s[A-z]{3}\s+\d+\s+\d+:\d+:\d+\s+\d+")
[INFO] [stdout]    |                    ^^^^^^^^^^ help: convert the identifier to upper case: `DATE_REGEX`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `date_regex` should have an upper case name
[INFO] [stdout]   --> src/main.rs:92:20
[INFO] [stdout]    |
[INFO] [stdout] 92 |         static ref date_regex: Regex = Regex::new(r"[A-z]{3}\s[A-z]{3}\s+\d+\s+\d+:\d+:\d+\s+\d+")
[INFO] [stdout]    |                    ^^^^^^^^^^ help: convert the identifier to upper case: `DATE_REGEX`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.16s
[INFO] running `Command { std: "docker" "inspect" "97db49c6cd4344439658c7b6016066b2c07c265b60fda5a616363222beb3bf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97db49c6cd4344439658c7b6016066b2c07c265b60fda5a616363222beb3bf0f", kill_on_drop: false }`
[INFO] [stdout] 97db49c6cd4344439658c7b6016066b2c07c265b60fda5a616363222beb3bf0f