[INFO] cloning repository https://github.com/empdo/fractals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/empdo/fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fempdo%2Ffractals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fempdo%2Ffractals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c914ab559596c8ab277a4c22de2cf82ed604f1f7
[INFO] testing empdo/fractals against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fempdo%2Ffractals" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
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[INFO] validating manifest of git repo https://github.com/empdo/fractals on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/empdo/fractals
[INFO] finished tweaking git repo https://github.com/empdo/fractals
[INFO] tweaked toml for git repo https://github.com/empdo/fractals written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/empdo/fractals 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] [stderr]   Downloaded coolor v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e5f5c0d22e2e7b6a17efff50a6d3d674f30540288f2f4073e319b4edc349d0
[INFO] running `Command { std: "docker" "start" "-a" "a0e5f5c0d22e2e7b6a17efff50a6d3d674f30540288f2f4073e319b4edc349d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e5f5c0d22e2e7b6a17efff50a6d3d674f30540288f2f4073e319b4edc349d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e5f5c0d22e2e7b6a17efff50a6d3d674f30540288f2f4073e319b4edc349d0", kill_on_drop: false }`
[INFO] [stdout] a0e5f5c0d22e2e7b6a17efff50a6d3d674f30540288f2f4073e319b4edc349d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22510ce4412297f8418548e2b2ce9b5c7d63ca42a5788d89c79546b190b22cc2
[INFO] running `Command { std: "docker" "start" "-a" "22510ce4412297f8418548e2b2ce9b5c7d63ca42a5788d89c79546b190b22cc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling palette v0.6.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling coolor v0.5.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling toml v0.5.10
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]    Compiling palette_derive v0.6.1
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::rect::Rect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::WindowCanvas`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::render::WindowCanvas;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use stopwatch::Stopwatch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `coolor`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use coolor;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/mandel.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/mandel.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]  --> src/mandel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stopwatch::Stopwatch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/julia.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/julia.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]  --> src/julia.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stopwatch::Stopwatch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/ship.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ship.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]  --> src/ship.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stopwatch::Stopwatch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mandel.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let mut color: coolor::Rgb;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ship.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut color: coolor::Rgb;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut max_it = 100;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut interval = 0.1;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/mandel.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let _ = canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/julia.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             canvas.fill_rect(Rect::new(x as i32,y as i32,1,1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let _ = canvas.fill_rect(Rect::new(x as i32,y as i32,1,1));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ship.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[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" "22510ce4412297f8418548e2b2ce9b5c7d63ca42a5788d89c79546b190b22cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22510ce4412297f8418548e2b2ce9b5c7d63ca42a5788d89c79546b190b22cc2", kill_on_drop: false }`
[INFO] [stdout] 22510ce4412297f8418548e2b2ce9b5c7d63ca42a5788d89c79546b190b22cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 670961ad098bc5f1b320a1b82891cbb423e3078ce7deb831733e1f3885e45583
[INFO] running `Command { std: "docker" "start" "-a" "670961ad098bc5f1b320a1b82891cbb423e3078ce7deb831733e1f3885e45583", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::rect::Rect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::WindowCanvas`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::render::WindowCanvas;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use stopwatch::Stopwatch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `coolor`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use coolor;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/mandel.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/mandel.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]  --> src/mandel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stopwatch::Stopwatch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/julia.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/julia.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]  --> src/julia.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stopwatch::Stopwatch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/ship.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ship.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stdout]  --> src/ship.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stopwatch::Stopwatch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mandel.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let mut color: coolor::Rgb;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ship.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut color: coolor::Rgb;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut max_it = 100;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut interval = 0.1;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/mandel.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let _ = canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/julia.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             canvas.fill_rect(Rect::new(x as i32,y as i32,1,1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let _ = canvas.fill_rect(Rect::new(x as i32,y as i32,1,1));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ship.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[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" "670961ad098bc5f1b320a1b82891cbb423e3078ce7deb831733e1f3885e45583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670961ad098bc5f1b320a1b82891cbb423e3078ce7deb831733e1f3885e45583", kill_on_drop: false }`
[INFO] [stdout] 670961ad098bc5f1b320a1b82891cbb423e3078ce7deb831733e1f3885e45583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2166c6c8cfba71779c46f80640a725c66b929ea823a48e754b4936d23f12c2a2
[INFO] running `Command { std: "docker" "start" "-a" "2166c6c8cfba71779c46f80640a725c66b929ea823a48e754b4936d23f12c2a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `sdl2::rect::Rect`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::rect::Rect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::render::WindowCanvas`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sdl2::render::WindowCanvas;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use stopwatch::Stopwatch;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `coolor`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use coolor;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/mandel.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/mandel.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stderr]  --> src/mandel.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use stopwatch::Stopwatch;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/julia.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/julia.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stderr]  --> src/julia.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use stopwatch::Stopwatch;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/ship.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/ship.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stopwatch::Stopwatch`
[INFO] [stderr]  --> src/ship.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use stopwatch::Stopwatch;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mandel.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let mut color: coolor::Rgb;
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ship.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let mut color: coolor::Rgb;
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let mut max_it = 100;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut interval = 0.1;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/mandel.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let _ = canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/julia.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             canvas.fill_rect(Rect::new(x as i32,y as i32,1,1));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let _ = canvas.fill_rect(Rect::new(x as i32,y as i32,1,1));
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/ship.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let _ = canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mandelbrot` (bin "mandelbrot" test) generated 21 warnings (run `cargo fix --bin "mandelbrot" --tests` to apply 18 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot-c02a3c79f25f9483)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2166c6c8cfba71779c46f80640a725c66b929ea823a48e754b4936d23f12c2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2166c6c8cfba71779c46f80640a725c66b929ea823a48e754b4936d23f12c2a2", kill_on_drop: false }`
[INFO] [stdout] 2166c6c8cfba71779c46f80640a725c66b929ea823a48e754b4936d23f12c2a2
[INFO] testing empdo/fractals against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fempdo%2Ffractals" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/empdo/fractals on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/empdo/fractals
[INFO] finished tweaking git repo https://github.com/empdo/fractals
[INFO] tweaked toml for git repo https://github.com/empdo/fractals written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/empdo/fractals 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6307fb2e74883a5a280eea34b651edf27c4389d84beaa5a3c8460a14e950ec95
[INFO] running `Command { std: "docker" "start" "-a" "6307fb2e74883a5a280eea34b651edf27c4389d84beaa5a3c8460a14e950ec95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6307fb2e74883a5a280eea34b651edf27c4389d84beaa5a3c8460a14e950ec95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6307fb2e74883a5a280eea34b651edf27c4389d84beaa5a3c8460a14e950ec95", kill_on_drop: false }`
[INFO] [stdout] 6307fb2e74883a5a280eea34b651edf27c4389d84beaa5a3c8460a14e950ec95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6339e37218862fb9f06be66c5d0a2da63c3d074be9b1767b907b7b3832e40c7
[INFO] running `Command { std: "docker" "start" "-a" "a6339e37218862fb9f06be66c5d0a2da63c3d074be9b1767b907b7b3832e40c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling palette v0.6.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling coolor v0.5.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a6339e37218862fb9f06be66c5d0a2da63c3d074be9b1767b907b7b3832e40c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6339e37218862fb9f06be66c5d0a2da63c3d074be9b1767b907b7b3832e40c7", kill_on_drop: false }`
[INFO] [stdout] a6339e37218862fb9f06be66c5d0a2da63c3d074be9b1767b907b7b3832e40c7
