[INFO] cloning repository https://github.com/iBelieve/gnome-inbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iBelieve/gnome-inbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiBelieve%2Fgnome-inbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiBelieve%2Fgnome-inbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccca96ff7dcc872613f45f0095ede7afba5b99d8
[INFO] checking iBelieve/gnome-inbox against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiBelieve%2Fgnome-inbox" "/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/iBelieve/gnome-inbox on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iBelieve/gnome-inbox
[INFO] finished tweaking git repo https://github.com/iBelieve/gnome-inbox
[INFO] tweaked toml for git repo https://github.com/iBelieve/gnome-inbox written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/iBelieve/gnome-inbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webkit2gtk-sys v0.4.0
[INFO] [stderr]   Downloaded soup-sys v0.4.0
[INFO] [stderr]   Downloaded pango-sys v0.4.0
[INFO] [stderr]   Downloaded pango v0.2.0
[INFO] [stderr]   Downloaded javascriptcore-rs v0.2.0
[INFO] [stderr]   Downloaded glib-sys v0.4.0
[INFO] [stderr]   Downloaded glib v0.3.1
[INFO] [stderr]   Downloaded relm-core v0.10.1
[INFO] [stderr]   Downloaded relm-derive v0.10.0
[INFO] [stderr]   Downloaded relm-derive-common v0.10.0
[INFO] [stderr]   Downloaded relm-state v0.10.1
[INFO] [stderr]   Downloaded futures-glib v0.2.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.2.0
[INFO] [stderr]   Downloaded gio-sys v0.4.0
[INFO] [stderr]   Downloaded atk-sys v0.4.0
[INFO] [stderr]   Downloaded relm v0.10.1
[INFO] [stderr]   Downloaded relm-gen-widget v0.10.0
[INFO] [stderr]   Downloaded javascriptcore-rs-sys v0.1.0
[INFO] [stderr]   Downloaded gobject-sys v0.4.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.4.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.4.0
[INFO] [stderr]   Downloaded cairo-rs v0.2.0
[INFO] [stderr]   Downloaded webkit2gtk v0.2.0
[INFO] [stderr]   Downloaded gdk-sys v0.4.0
[INFO] [stderr]   Downloaded gio v0.2.0
[INFO] [stderr]   Downloaded gtk-sys v0.4.0
[INFO] [stderr]   Downloaded gdk v0.6.0
[INFO] [stderr]   Downloaded gtk v0.2.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a1b269ecb97c1c04a1daf3c9e96804fff195e05f5c520b790ff2850e4cee17
[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" "b9a1b269ecb97c1c04a1daf3c9e96804fff195e05f5c520b790ff2850e4cee17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a1b269ecb97c1c04a1daf3c9e96804fff195e05f5c520b790ff2850e4cee17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a1b269ecb97c1c04a1daf3c9e96804fff195e05f5c520b790ff2850e4cee17", kill_on_drop: false }`
[INFO] [stdout] b9a1b269ecb97c1c04a1daf3c9e96804fff195e05f5c520b790ff2850e4cee17
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e912ee24d909d8c02abf55533ad0759731b1457b0ac4e25b8f21013ccbfa6aca
[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" "e912ee24d909d8c02abf55533ad0759731b1457b0ac4e25b8f21013ccbfa6aca", kill_on_drop: false }`
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking itoa v0.3.2
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling gobject-sys v0.4.0
[INFO] [stderr]    Compiling gio-sys v0.4.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0
[INFO] [stderr]    Compiling pango-sys v0.4.0
[INFO] [stderr]    Compiling gdk-sys v0.4.0
[INFO] [stderr]    Compiling atk-sys v0.4.0
[INFO] [stderr]    Compiling gtk-sys v0.4.0
[INFO] [stderr]    Compiling soup-sys v0.4.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.4.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.1.0
[INFO] [stderr]     Checking itertools v0.6.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking futures-glib v0.2.1
[INFO] [stderr]     Checking relm-core v0.10.1
[INFO] [stderr]     Checking glib v0.3.1
[INFO] [stderr]     Checking relm-state v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]    Compiling relm-gen-widget v0.10.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling relm-derive-common v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking pango v0.2.0
[INFO] [stderr]     Checking javascriptcore-rs v0.2.0
[INFO] [stderr]    Compiling relm-derive v0.10.0
[INFO] [stderr]     Checking relm v0.10.1
[INFO] [stderr]     Checking webkit2gtk v0.2.0
[INFO] [stderr]     Checking gnome-inbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `summary`
[INFO] [stdout]   --> src/gmail.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let summary = match new_messages.len() {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_summary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/gmail.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn on_new_messages(count: u32, new_messages: Vec<Message>) {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `summary`
[INFO] [stdout]   --> src/gmail.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let summary = match new_messages.len() {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_summary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/gmail.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn on_new_messages(count: u32, new_messages: Vec<Message>) {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/gmail.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `summary`
[INFO] [stdout]   --> src/gmail.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     summary: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender_name`
[INFO] [stdout]   --> src/gmail.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     sender_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender_email`
[INFO] [stdout]   --> src/gmail.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     sender_email: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/gmail.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `summary`
[INFO] [stdout]   --> src/gmail.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     summary: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender_name`
[INFO] [stdout]   --> src/gmail.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     sender_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender_email`
[INFO] [stdout]   --> src/gmail.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     sender_email: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.17s
[INFO] running `Command { std: "docker" "inspect" "e912ee24d909d8c02abf55533ad0759731b1457b0ac4e25b8f21013ccbfa6aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e912ee24d909d8c02abf55533ad0759731b1457b0ac4e25b8f21013ccbfa6aca", kill_on_drop: false }`
[INFO] [stdout] e912ee24d909d8c02abf55533ad0759731b1457b0ac4e25b8f21013ccbfa6aca