[INFO] cloning repository https://github.com/huytd/interpolation-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huytd/interpolation-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Finterpolation-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Finterpolation-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7c67b29a22f1608b8745286f2a6ee7a6d1bd25f
[INFO] checking huytd/interpolation-demo against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Finterpolation-demo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huytd/interpolation-demo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huytd/interpolation-demo
[INFO] finished tweaking git repo https://github.com/huytd/interpolation-demo
[INFO] tweaked toml for git repo https://github.com/huytd/interpolation-demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/huytd/interpolation-demo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5075ae8eb77e3950882f426b2d9bb38e10bf89be77bc362aab2aa3aa6db1538
[INFO] running `Command { std: "docker" "start" "-a" "c5075ae8eb77e3950882f426b2d9bb38e10bf89be77bc362aab2aa3aa6db1538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5075ae8eb77e3950882f426b2d9bb38e10bf89be77bc362aab2aa3aa6db1538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5075ae8eb77e3950882f426b2d9bb38e10bf89be77bc362aab2aa3aa6db1538", kill_on_drop: false }`
[INFO] [stdout] c5075ae8eb77e3950882f426b2d9bb38e10bf89be77bc362aab2aa3aa6db1538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c415b5e65e5f563d79449f49e91448c83677ad67cf1cef40f677f28dc1132c7
[INFO] running `Command { std: "docker" "start" "-a" "7c415b5e65e5f563d79449f49e91448c83677ad67cf1cef40f677f28dc1132c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling minifb v0.20.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `buffer` is never read
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut buffer = [BG_PIXEL; WIDTH * HEIGHT];
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `buffer` is never read
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut buffer = [BG_PIXEL; WIDTH * HEIGHT];
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `FROM_RGB` should have a snake case name
[INFO] [stdout]  --> src/config.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const fn FROM_RGB(r: u8, g: u8, b: u8) -> u32 {
[INFO] [stdout]   |              ^^^^^^^^ help: convert the identifier to snake case: `from_rgb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `FROM_RGB` should have a snake case name
[INFO] [stdout]  --> src/config.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const fn FROM_RGB(r: u8, g: u8, b: u8) -> u32 {
[INFO] [stdout]   |              ^^^^^^^^ help: convert the identifier to snake case: `from_rgb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 30.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "7c415b5e65e5f563d79449f49e91448c83677ad67cf1cef40f677f28dc1132c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c415b5e65e5f563d79449f49e91448c83677ad67cf1cef40f677f28dc1132c7", kill_on_drop: false }`
[INFO] [stdout] 7c415b5e65e5f563d79449f49e91448c83677ad67cf1cef40f677f28dc1132c7