[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] checking C-Loftus/Linux-CPU-RAM-notifier/e2bb2f557bf3ed7074379f07e19522795af6c599 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC-Loftus%2FLinux-CPU-RAM-notifier" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/C-Loftus/Linux-CPU-RAM-notifier on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded systemstat v0.1.7
[INFO] [stderr] Downloaded gdk-pixbuf-sys v0.5.0
[INFO] [stderr] Downloaded bytesize v1.0.1
[INFO] [stderr] Downloaded gobject-sys v0.5.0
[INFO] [stderr] Downloaded libnotify v1.0.3
[INFO] [stderr] Downloaded gdk-pixbuf v0.3.0
[INFO] [stderr] Downloaded glib-sys v0.5.0
[INFO] [stderr] Downloaded libnotify-sys v1.0.2
[INFO] [stderr] Downloaded gio-sys v0.5.0
[INFO] [stderr] Downloaded glib v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9c76a990e8ca236233a5796e956f70e05481aaae8dccfdef8b7ea33d6a9886b
[INFO] running `Command { std: "docker" "start" "-a" "c9c76a990e8ca236233a5796e956f70e05481aaae8dccfdef8b7ea33d6a9886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9c76a990e8ca236233a5796e956f70e05481aaae8dccfdef8b7ea33d6a9886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c76a990e8ca236233a5796e956f70e05481aaae8dccfdef8b7ea33d6a9886b", kill_on_drop: false }`
[INFO] [stdout] c9c76a990e8ca236233a5796e956f70e05481aaae8dccfdef8b7ea33d6a9886b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef6651a3eb02ecb199cf29fe0eaac3795b7df8fa231bf88476f93acdd5af5f1
[INFO] running `Command { std: "docker" "start" "-a" "fef6651a3eb02ecb199cf29fe0eaac3795b7df8fa231bf88476f93acdd5af5f1", kill_on_drop: false }`
[INFO] [stderr] Compiling pkg-config v0.3.19
[INFO] [stderr] Compiling libc v0.2.94
[INFO] [stderr] Compiling radium v0.5.3
[INFO] [stderr] Compiling lexical-core v0.7.6
[INFO] [stderr] Compiling memchr v2.3.4
[INFO] [stderr] Checking funty v1.1.0
[INFO] [stderr] Checking wyz v0.2.0
[INFO] [stderr] Checking arrayvec v0.5.2
[INFO] [stderr] Compiling nom v6.1.2
[INFO] [stderr] Compiling gdk-pixbuf v0.3.0
[INFO] [stderr] Checking bytesize v1.0.1
[INFO] [stderr] Checking bitvec v0.19.5
[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] Checking time v0.1.44
[INFO] [stderr] Checking chrono v0.4.19
[INFO] [stderr] Checking glib v0.4.1
[INFO] [stderr] Checking libnotify v1.0.3
[INFO] [stderr] Checking systemstat v0.1.7
[INFO] [stderr] Checking gnome_notif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Option<&str>: From