[INFO] cloning repository https://github.com/C-Loftus/Linux-CPU-RAM-notifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/C-Loftus/Linux-CPU-RAM-notifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC-Loftus%2FLinux-CPU-RAM-notifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC-Loftus%2FLinux-CPU-RAM-notifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2bb2f557bf3ed7074379f07e19522795af6c599
[INFO] testing C-Loftus/Linux-CPU-RAM-notifier against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC-Loftus%2FLinux-CPU-RAM-notifier" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/C-Loftus/Linux-CPU-RAM-notifier on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/C-Loftus/Linux-CPU-RAM-notifier
[INFO] finished tweaking git repo https://github.com/C-Loftus/Linux-CPU-RAM-notifier
[INFO] tweaked toml for git repo https://github.com/C-Loftus/Linux-CPU-RAM-notifier written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/C-Loftus/Linux-CPU-RAM-notifier already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5ffcd2235071c1009bd15774b2ea3ca6f85c75987ba5fe84b2a0a04e7aa9754
[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" "d5ffcd2235071c1009bd15774b2ea3ca6f85c75987ba5fe84b2a0a04e7aa9754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ffcd2235071c1009bd15774b2ea3ca6f85c75987ba5fe84b2a0a04e7aa9754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ffcd2235071c1009bd15774b2ea3ca6f85c75987ba5fe84b2a0a04e7aa9754", kill_on_drop: false }`
[INFO] [stdout] d5ffcd2235071c1009bd15774b2ea3ca6f85c75987ba5fe84b2a0a04e7aa9754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2d0ef24ca2082cf52c91d78ff6bc4f84cb9860795c037aa8ea2b1cbb15c23cc
[INFO] running `Command { std: "docker" "start" "-a" "f2d0ef24ca2082cf52c91d78ff6bc4f84cb9860795c037aa8ea2b1cbb15c23cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling libnotify-sys v1.0.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling glib v0.4.1
[INFO] [stderr]    Compiling systemstat v0.1.7
[INFO] [stderr]    Compiling libnotify v1.0.3
[INFO] [stderr]    Compiling gnome_notif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `env`, `error::Error`, `fs`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, error::Error, env, thread, time::Duration};
[INFO] [stdout]   |           ^^  ^^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env`, `error::Error`, `fs`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, error::Error, env, thread, time::Duration};
[INFO] [stdout]   |           ^^  ^^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Option<&str>: From<Option<String>>` is not satisfied
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let n = libnotify::Notification::new(&cpu_message,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<Option<String>>` is not implemented for `Option<&str>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libnotify-1.0.3/src/notification.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new<'a, 'b, P: Into<Option<&'a str>>, Q: Into<Option<&'b str>>>(
[INFO] [stdout]    |                           --------------------- required by this bound in `Notification::new`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <Option<&'a T> as From<&'a Option<T>>>
[INFO] [stdout]              <Option<&'a mut T> as From<&'a mut Option<T>>>
[INFO] [stdout]              <Option<T> as From<T>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<Option<&str>>` for `Option<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     loop {
[INFO] [stdout] 19 | |         let cpu_message = String::from("User didn't specify to track CPU");
[INFO] [stdout] 20 | |         if config.monitor_cpu {
[INFO] [stdout] 21 | |             let mut cpu_message = String::from("You are currently using : ");
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 42 |       libnotify::uninit();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gnome_notif` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f2d0ef24ca2082cf52c91d78ff6bc4f84cb9860795c037aa8ea2b1cbb15c23cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d0ef24ca2082cf52c91d78ff6bc4f84cb9860795c037aa8ea2b1cbb15c23cc", kill_on_drop: false }`
[INFO] [stdout] f2d0ef24ca2082cf52c91d78ff6bc4f84cb9860795c037aa8ea2b1cbb15c23cc
