[INFO] cloning repository https://github.com/bdon/Alpha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bdon/Alpha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdon%2FAlpha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdon%2FAlpha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09a051712a7fe10e5a5d0775636dbaf3b009eb34
[INFO] checking bdon/Alpha against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdon%2FAlpha" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bdon/Alpha on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bdon/Alpha
[INFO] finished tweaking git repo https://github.com/bdon/Alpha
[INFO] tweaked toml for git repo https://github.com/bdon/Alpha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/bdon/Alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/bdon/piet`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22deb0ff3cf0deade291f92822dd7da2b86c50c015dc60d724bfb47d1bca1ea1
[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" "22deb0ff3cf0deade291f92822dd7da2b86c50c015dc60d724bfb47d1bca1ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22deb0ff3cf0deade291f92822dd7da2b86c50c015dc60d724bfb47d1bca1ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22deb0ff3cf0deade291f92822dd7da2b86c50c015dc60d724bfb47d1bca1ea1", kill_on_drop: false }`
[INFO] [stdout] 22deb0ff3cf0deade291f92822dd7da2b86c50c015dc60d724bfb47d1bca1ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf080ea3a6c8ffb04dc3337fba3176398dfda13add8b58a057ba54d9f9a18d0
[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" "ddf080ea3a6c8ffb04dc3337fba3176398dfda13add8b58a057ba54d9f9a18d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking kurbo v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]     Checking piet v0.1.0 (https://github.com/bdon/piet?branch=font_style_weight#dc0af5f4)
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling syn v1.0.25
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking quick-protobuf v0.6.4
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking piet-cairo v0.1.0 (https://github.com/bdon/piet?branch=font_style_weight#dc0af5f4)
[INFO] [stderr]     Checking protomaps2d v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `zoom`
[INFO] [stdout]   --> src/lib.rs:59:59
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn render_tile(rc:&mut impl RenderContext, buf:&[u8], zoom:u32,total:u32,dx:u32,dy:u32,style:&Style,_logger:&dyn Fn(&String)) -> Resu...
[INFO] [stdout]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_zoom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zoom`
[INFO] [stdout]   --> src/lib.rs:59:59
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn render_tile(rc:&mut impl RenderContext, buf:&[u8], zoom:u32,total:u32,dx:u32,dy:u32,style:&Style,_logger:&dyn Fn(&String)) -> Resu...
[INFO] [stdout]    |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_zoom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tagmatch`
[INFO] [stdout]  --> src/tile.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn tagmatch(layer:&Layer,feature:&Feature,key:&str,value:&str) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fromHex` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn fromHex(hex: &String) -> Color {
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `from_hex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tagmatch`
[INFO] [stdout]  --> src/tile.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn tagmatch(layer:&Layer,feature:&Feature,key:&str,value:&str) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fromHex` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn fromHex(hex: &String) -> Color {
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `from_hex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     rc.save();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 |     rc.restore();
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     rc.save();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 |     rc.restore();
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "ddf080ea3a6c8ffb04dc3337fba3176398dfda13add8b58a057ba54d9f9a18d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf080ea3a6c8ffb04dc3337fba3176398dfda13add8b58a057ba54d9f9a18d0", kill_on_drop: false }`
[INFO] [stdout] ddf080ea3a6c8ffb04dc3337fba3176398dfda13add8b58a057ba54d9f9a18d0