[INFO] cloning repository https://github.com/greshake/i3status-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greshake/i3status-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreshake%2Fi3status-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreshake%2Fi3status-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8af333b4ec768a5c4dd8b187f7ac9698b1b8a803
[INFO] checking greshake/i3status-rust against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreshake%2Fi3status-rust" "/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/greshake/i3status-rust on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/greshake/i3status-rust
[INFO] finished tweaking git repo https://github.com/greshake/i3status-rust
[INFO] tweaked toml for git repo https://github.com/greshake/i3status-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/greshake/i3status-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded inotify v0.8.3
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded dbus v0.8.4
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded chrono-tz v0.5.2
[INFO] [stderr]   Downloaded libpulse-sys v1.13.1
[INFO] [stderr]   Downloaded maildir v0.4.2
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded mailparse v0.12.2
[INFO] [stderr]   Downloaded quoted_printable v0.4.2
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded cpuprofiler v0.0.4
[INFO] [stderr]   Downloaded charset v0.1.2
[INFO] [stderr]   Downloaded notmuch v0.6.0
[INFO] [stderr]   Downloaded progress v0.2.0
[INFO] [stderr]   Downloaded globwalk v0.7.3
[INFO] [stderr]   Downloaded assert_fs v1.0.0
[INFO] [stderr]   Downloaded swayipc v2.7.2
[INFO] [stderr]   Downloaded libpulse-binding v2.16.1
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0ea95e78b3363cf68bb1344910139973586077a587a4a41280825d8d669165d
[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" "b0ea95e78b3363cf68bb1344910139973586077a587a4a41280825d8d669165d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ea95e78b3363cf68bb1344910139973586077a587a4a41280825d8d669165d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ea95e78b3363cf68bb1344910139973586077a587a4a41280825d8d669165d", kill_on_drop: false }`
[INFO] [stdout] b0ea95e78b3363cf68bb1344910139973586077a587a4a41280825d8d669165d
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b18aa7a7544c99806fe74ee25888e86acf9f070b3c597e0bd80fbd66ee32ed3f
[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" "b18aa7a7544c99806fe74ee25888e86acf9f070b3c597e0bd80fbd66ee32ed3f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libpulse-sys v1.13.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking libpulse-binding v2.16.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking mailparse v0.12.2
[INFO] [stderr]     Checking maildir v0.4.2
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking assert_fs v1.0.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking swayipc v2.7.2
[INFO] [stderr]     Checking i3status-rs v0.14.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/blocks/custom_dbus.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut c = LocalConnection::new_session()
[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/blocks/custom_dbus.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut c = LocalConnection::new_session()
[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/blocks/kdeconnect.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let mut c = Connection::new_session()
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blocks/kdeconnect.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let mut c = Connection::new_session()
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "b18aa7a7544c99806fe74ee25888e86acf9f070b3c597e0bd80fbd66ee32ed3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b18aa7a7544c99806fe74ee25888e86acf9f070b3c597e0bd80fbd66ee32ed3f", kill_on_drop: false }`
[INFO] [stdout] b18aa7a7544c99806fe74ee25888e86acf9f070b3c597e0bd80fbd66ee32ed3f