[INFO] cloning repository https://github.com/shoebe/bresenham-curves-circles-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shoebe/bresenham-curves-circles-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoebe%2Fbresenham-curves-circles-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoebe%2Fbresenham-curves-circles-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2159960c64cb59e64c7ef40b36b88cfd762a57fc
[INFO] checking shoebe/bresenham-curves-circles-rs against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoebe%2Fbresenham-curves-circles-rs" "/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/shoebe/bresenham-curves-circles-rs on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shoebe/bresenham-curves-circles-rs
[INFO] finished tweaking git repo https://github.com/shoebe/bresenham-curves-circles-rs
[INFO] tweaked toml for git repo https://github.com/shoebe/bresenham-curves-circles-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shoebe/bresenham-curves-circles-rs 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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking shoebe/bresenham-curves-circles-rs against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoebe%2Fbresenham-curves-circles-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shoebe/bresenham-curves-circles-rs on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shoebe/bresenham-curves-circles-rs
[INFO] finished tweaking git repo https://github.com/shoebe/bresenham-curves-circles-rs
[INFO] tweaked toml for git repo https://github.com/shoebe/bresenham-curves-circles-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shoebe/bresenham-curves-circles-rs 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" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lodepng v3.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ce4d6da5e52994aefb2f0a74a328fcc8c79ba85a0a6f327446e25890b5597f6
[INFO] running `Command { std: "docker" "start" "-a" "5ce4d6da5e52994aefb2f0a74a328fcc8c79ba85a0a6f327446e25890b5597f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce4d6da5e52994aefb2f0a74a328fcc8c79ba85a0a6f327446e25890b5597f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce4d6da5e52994aefb2f0a74a328fcc8c79ba85a0a6f327446e25890b5597f6", kill_on_drop: false }`
[INFO] [stdout] 5ce4d6da5e52994aefb2f0a74a328fcc8c79ba85a0a6f327446e25890b5597f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5dbdcb75b6cf170ad291fb2734a08600eba9fba3469657a6e8d4d2ae4b156f4
[INFO] running `Command { std: "docker" "start" "-a" "f5dbdcb75b6cf170ad291fb2734a08600eba9fba3469657a6e8d4d2ae4b156f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytemuck v1.16.1
[INFO] [stderr]     Checking bresenham-curves-circles-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stdout] warning: value assigned to `e2` is never read
[INFO] [stdout]   --> src/anti_aliased.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut e2: i32 = 0;
[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 `x2` is never read
[INFO] [stdout]   --> src/anti_aliased.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut x2: i32 = 0;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y2` is never read
[INFO] [stdout]   --> src/anti_aliased.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut y2: i32 = 0;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/anti_aliased.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     mut x1: i32,
[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/anti_aliased.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     mut y1: i32,
[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/anti_aliased.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut dx: i32 = i32::abs(x1 - x0);
[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/anti_aliased.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut sx: i32 = if x0 < x1 { 1 as i32 } else { -(1 as i32) };
[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/anti_aliased.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut dy: i32 = i32::abs(y1 - y0);
[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/anti_aliased.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut sy: i32 = if y0 < y1 { 1 as i32 } else { -(1 as i32) };
[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/anti_aliased.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut ed: f32 = (if dx + dy == 0 as i32 {
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/anti_aliased.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut i: i32 = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x2` is never read
[INFO] [stdout]    --> src/anti_aliased.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut x2: i32 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e2` is never read
[INFO] [stdout]    --> src/anti_aliased.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut e2: i32 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/anti_aliased.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     mut xm: i32,
[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/anti_aliased.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     mut ym: i32,
[INFO] [stdout]     |     ----^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rgb v0.8.40
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking fallible_collections v0.4.9
[INFO] [stderr]     Checking lodepng v3.10.1
[INFO] [stdout] warning: value assigned to `e2` is never read
[INFO] [stdout]   --> src/anti_aliased.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut e2: i32 = 0;
[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 `x2` is never read
[INFO] [stdout]   --> src/anti_aliased.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut x2: i32 = 0;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y2` is never read
[INFO] [stdout]   --> src/anti_aliased.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut y2: i32 = 0;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/anti_aliased.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     mut x1: i32,
[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/anti_aliased.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     mut y1: i32,
[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/anti_aliased.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut dx: i32 = i32::abs(x1 - x0);
[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/anti_aliased.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut sx: i32 = if x0 < x1 { 1 as i32 } else { -(1 as i32) };
[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/anti_aliased.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut dy: i32 = i32::abs(y1 - y0);
[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/anti_aliased.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut sy: i32 = if y0 < y1 { 1 as i32 } else { -(1 as i32) };
[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/anti_aliased.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut ed: f32 = (if dx + dy == 0 as i32 {
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/anti_aliased.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut i: i32 = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x2` is never read
[INFO] [stdout]    --> src/anti_aliased.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut x2: i32 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e2` is never read
[INFO] [stdout]    --> src/anti_aliased.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut e2: i32 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/anti_aliased.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     mut xm: i32,
[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/anti_aliased.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     mut ym: i32,
[INFO] [stdout]     |     ----^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "f5dbdcb75b6cf170ad291fb2734a08600eba9fba3469657a6e8d4d2ae4b156f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5dbdcb75b6cf170ad291fb2734a08600eba9fba3469657a6e8d4d2ae4b156f4", kill_on_drop: false }`
[INFO] [stdout] f5dbdcb75b6cf170ad291fb2734a08600eba9fba3469657a6e8d4d2ae4b156f4
