[INFO] fetching crate ytesrev 0.2.7...
[INFO] checking ytesrev-0.2.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ytesrev 0.2.7 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ytesrev 0.2.7 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 crates.io crate ytesrev 0.2.7
[INFO] finished tweaking crates.io crate ytesrev 0.2.7
[INFO] tweaked toml for crates.io crate ytesrev 0.2.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 52 packages
[INFO] [stderr]       Adding bitflags v0.7.0 (latest: v2.5.0)
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[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
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[INFO] [stderr]       Adding deflate v0.7.20 (latest: v1.0.0)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
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[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding sdl2 v0.31.0 (latest: v0.36.0)
[INFO] [stderr]       Adding sdl2-sys v0.31.0 (latest: v0.36.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.31.0
[INFO] [stderr]   Downloaded sdl2-sys v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9b72f1242e5896e2381400a58fed6e80bf23d8aee89220f2f82e1d6a38cfff21
[INFO] running `Command { std: "docker" "start" "-a" "9b72f1242e5896e2381400a58fed6e80bf23d8aee89220f2f82e1d6a38cfff21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b72f1242e5896e2381400a58fed6e80bf23d8aee89220f2f82e1d6a38cfff21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b72f1242e5896e2381400a58fed6e80bf23d8aee89220f2f82e1d6a38cfff21", kill_on_drop: false }`
[INFO] [stdout] 9b72f1242e5896e2381400a58fed6e80bf23d8aee89220f2f82e1d6a38cfff21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 68e38e982c66aef94c63fe5e93c74dc0601d0baa156be79413edb0608aeab006
[INFO] running `Command { std: "docker" "start" "-a" "68e38e982c66aef94c63fe5e93c74dc0601d0baa156be79413edb0608aeab006", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
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[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking ytesrev v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `drop` is imported redundantly
[INFO] [stdout]   --> src/latex/render.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::mem::drop;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `drop` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `drop` is imported redundantly
[INFO] [stdout]   --> src/latex/render.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::mem::drop;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `drop` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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] [stdout] warning: the item `color_dither_fn` is imported redundantly
[INFO] [stdout]   --> src/example/showcase.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use ytesrev::ditherer::color_dither_fn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  | use ytesrev::latex::render::add_prelude;
[INFO] [stdout] 10 | use ytesrev::prelude::*;
[INFO] [stdout]    |     ------------------- the item `color_dither_fn` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `add_prelude` is imported redundantly
[INFO] [stdout]   --> src/example/showcase.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use ytesrev::latex::render::add_prelude;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use ytesrev::prelude::*;
[INFO] [stdout]    |     ------------------- the item `add_prelude` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DrawSettings` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `DrawSettings` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 178 | use ytesrev::drawable::{DrawSettings, Position, State};
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Position` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:178:39
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Position` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 178 | use ytesrev::drawable::{DrawSettings, Position, State};
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `State` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:178:49
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `State` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 178 | use ytesrev::drawable::{DrawSettings, Position, State};
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Color` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 180 | use ytesrev::sdl2::pixels::Color;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Canvas` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Canvas` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 181 | use ytesrev::sdl2::render::Canvas;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Window` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Window` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 182 | use ytesrev::sdl2::video::Window;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `color_dither_fn` is imported redundantly
[INFO] [stdout]   --> src/example/showcase.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use ytesrev::ditherer::color_dither_fn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  | use ytesrev::latex::render::add_prelude;
[INFO] [stdout] 10 | use ytesrev::prelude::*;
[INFO] [stdout]    |     ------------------- the item `color_dither_fn` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `add_prelude` is imported redundantly
[INFO] [stdout]   --> src/example/showcase.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use ytesrev::latex::render::add_prelude;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use ytesrev::prelude::*;
[INFO] [stdout]    |     ------------------- the item `add_prelude` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DrawSettings` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `DrawSettings` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 178 | use ytesrev::drawable::{DrawSettings, Position, State};
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Position` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:178:39
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Position` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 178 | use ytesrev::drawable::{DrawSettings, Position, State};
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `State` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:178:49
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `State` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 178 | use ytesrev::drawable::{DrawSettings, Position, State};
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Color` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 180 | use ytesrev::sdl2::pixels::Color;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Canvas` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Canvas` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 181 | use ytesrev::sdl2::render::Canvas;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Window` is imported redundantly
[INFO] [stdout]    --> src/example/showcase.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 10  | use ytesrev::prelude::*;
[INFO] [stdout]     |     ------------------- the item `Window` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 182 | use ytesrev::sdl2::video::Window;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "68e38e982c66aef94c63fe5e93c74dc0601d0baa156be79413edb0608aeab006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e38e982c66aef94c63fe5e93c74dc0601d0baa156be79413edb0608aeab006", kill_on_drop: false }`
[INFO] [stdout] 68e38e982c66aef94c63fe5e93c74dc0601d0baa156be79413edb0608aeab006