[INFO] cloning repository https://github.com/ContainedBlargh/night-sky
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ContainedBlargh/night-sky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Fnight-sky", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Fnight-sky'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16e69cb3b45202bbf45012a269c881ee798823f1
[INFO] checking ContainedBlargh/night-sky against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Fnight-sky" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ContainedBlargh/night-sky 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/ContainedBlargh/night-sky
[INFO] finished tweaking git repo https://github.com/ContainedBlargh/night-sky
[INFO] tweaked toml for git repo https://github.com/ContainedBlargh/night-sky written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ContainedBlargh/night-sky 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nsvg v0.5.1
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded console v0.14.1
[INFO] [stderr]   Downloaded svg v0.5.12
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded draw v0.3.0
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fbbac0f328c86ddc1432e54721bb82cb5f206e9f77993ce4bcc3dd23c7dab382
[INFO] running `Command { std: "docker" "start" "-a" "fbbac0f328c86ddc1432e54721bb82cb5f206e9f77993ce4bcc3dd23c7dab382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbbac0f328c86ddc1432e54721bb82cb5f206e9f77993ce4bcc3dd23c7dab382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbac0f328c86ddc1432e54721bb82cb5f206e9f77993ce4bcc3dd23c7dab382", kill_on_drop: false }`
[INFO] [stdout] fbbac0f328c86ddc1432e54721bb82cb5f206e9f77993ce4bcc3dd23c7dab382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2396e7d632aac6d89715f2270a02ec2f803ca6812dbf2291f349c27d2fde8490
[INFO] running `Command { std: "docker" "start" "-a" "2396e7d632aac6d89715f2270a02ec2f803ca6812dbf2291f349c27d2fde8490", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking draw v0.3.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking night-sky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Clamp` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Clamp {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Clamp` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Clamp {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.5.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2396e7d632aac6d89715f2270a02ec2f803ca6812dbf2291f349c27d2fde8490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2396e7d632aac6d89715f2270a02ec2f803ca6812dbf2291f349c27d2fde8490", kill_on_drop: false }`
[INFO] [stdout] 2396e7d632aac6d89715f2270a02ec2f803ca6812dbf2291f349c27d2fde8490
[INFO] checking ContainedBlargh/night-sky against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FContainedBlargh%2Fnight-sky" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ContainedBlargh/night-sky on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ContainedBlargh/night-sky
[INFO] finished tweaking git repo https://github.com/ContainedBlargh/night-sky
[INFO] tweaked toml for git repo https://github.com/ContainedBlargh/night-sky written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ContainedBlargh/night-sky 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb273559827f0451b6140027cfa26c79631c06683f3c361446b7b1db0a293601
[INFO] running `Command { std: "docker" "start" "-a" "bb273559827f0451b6140027cfa26c79631c06683f3c361446b7b1db0a293601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb273559827f0451b6140027cfa26c79631c06683f3c361446b7b1db0a293601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb273559827f0451b6140027cfa26c79631c06683f3c361446b7b1db0a293601", kill_on_drop: false }`
[INFO] [stdout] bb273559827f0451b6140027cfa26c79631c06683f3c361446b7b1db0a293601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46ed8b010d09b2bd5893c8e5f0d11c960e5e63ae61c2e682d364aeb4ee1e3e1c
[INFO] running `Command { std: "docker" "start" "-a" "46ed8b010d09b2bd5893c8e5f0d11c960e5e63ae61c2e682d364aeb4ee1e3e1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking draw v0.3.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking night-sky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Clamp` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Clamp {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Clamp` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Clamp {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.5.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "46ed8b010d09b2bd5893c8e5f0d11c960e5e63ae61c2e682d364aeb4ee1e3e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ed8b010d09b2bd5893c8e5f0d11c960e5e63ae61c2e682d364aeb4ee1e3e1c", kill_on_drop: false }`
[INFO] [stdout] 46ed8b010d09b2bd5893c8e5f0d11c960e5e63ae61c2e682d364aeb4ee1e3e1c