[INFO] cloning repository https://github.com/gmrowe/rayst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmrowe/rayst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmrowe%2Frayst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmrowe%2Frayst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09395fb25098f5ed95650a4aa071f87e442d0ec8
[INFO] checking gmrowe/rayst against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmrowe%2Frayst" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmrowe/rayst 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/gmrowe/rayst
[INFO] finished tweaking git repo https://github.com/gmrowe/rayst
[INFO] tweaked toml for git repo https://github.com/gmrowe/rayst written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gmrowe/rayst 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 pix v0.13.2
[INFO] [stderr]   Downloaded png_pong v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 001f55a57ff5e1db1ae53b526894c90e7dae2d102401997291d5ed66c0f82637
[INFO] running `Command { std: "docker" "start" "-a" "001f55a57ff5e1db1ae53b526894c90e7dae2d102401997291d5ed66c0f82637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "001f55a57ff5e1db1ae53b526894c90e7dae2d102401997291d5ed66c0f82637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001f55a57ff5e1db1ae53b526894c90e7dae2d102401997291d5ed66c0f82637", kill_on_drop: false }`
[INFO] [stdout] 001f55a57ff5e1db1ae53b526894c90e7dae2d102401997291d5ed66c0f82637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 051dffe73cb4a446b5d26ed9b7d849dca5863ede2b1a3c1ef9b66036270bda7d
[INFO] running `Command { std: "docker" "start" "-a" "051dffe73cb4a446b5d26ed9b7d849dca5863ede2b1a3c1ef9b66036270bda7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling pix v0.13.2
[INFO] [stderr]     Checking png_pong v0.8.2
[INFO] [stderr]     Checking rayst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Tup` is imported redundantly
[INFO] [stdout]   --> src/transforms.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use super::*;
[INFO] [stdout]    |         -------- the item `Tup` is already imported here
[INFO] [stdout] 99 |     use crate::tup::Tup;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/matrix.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | impl Mat2 {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn new(width: usize, height: usize) -> Self {
[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: associated function `new` is never used
[INFO] [stdout]    --> src/matrix.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | impl Mat2 {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "051dffe73cb4a446b5d26ed9b7d849dca5863ede2b1a3c1ef9b66036270bda7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051dffe73cb4a446b5d26ed9b7d849dca5863ede2b1a3c1ef9b66036270bda7d", kill_on_drop: false }`
[INFO] [stdout] 051dffe73cb4a446b5d26ed9b7d849dca5863ede2b1a3c1ef9b66036270bda7d
[INFO] checking gmrowe/rayst against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmrowe%2Frayst" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmrowe/rayst 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] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/gmrowe/rayst
[INFO] finished tweaking git repo https://github.com/gmrowe/rayst
[INFO] tweaked toml for git repo https://github.com/gmrowe/rayst written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gmrowe/rayst 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c19cacaa21d85ff5c5ef230a3ad8420645a41d738583d1ef919df53c6c4238f3
[INFO] running `Command { std: "docker" "start" "-a" "c19cacaa21d85ff5c5ef230a3ad8420645a41d738583d1ef919df53c6c4238f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19cacaa21d85ff5c5ef230a3ad8420645a41d738583d1ef919df53c6c4238f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19cacaa21d85ff5c5ef230a3ad8420645a41d738583d1ef919df53c6c4238f3", kill_on_drop: false }`
[INFO] [stdout] c19cacaa21d85ff5c5ef230a3ad8420645a41d738583d1ef919df53c6c4238f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 09645dd15c47b4c43a43a9bddfc3051ce1c95343c8b9796b2ace6822d8e0eb05
[INFO] running `Command { std: "docker" "start" "-a" "09645dd15c47b4c43a43a9bddfc3051ce1c95343c8b9796b2ace6822d8e0eb05", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling pix v0.13.2
[INFO] [stderr]     Checking png_pong v0.8.2
[INFO] [stderr]     Checking rayst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Tup` is imported redundantly
[INFO] [stdout]   --> src/transforms.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use super::*;
[INFO] [stdout]    |         -------- the item `Tup` is already imported here
[INFO] [stdout] 99 |     use crate::tup::Tup;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/matrix.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | impl Mat2 {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn new(width: usize, height: usize) -> Self {
[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: associated function `new` is never used
[INFO] [stdout]    --> src/matrix.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | impl Mat2 {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "09645dd15c47b4c43a43a9bddfc3051ce1c95343c8b9796b2ace6822d8e0eb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09645dd15c47b4c43a43a9bddfc3051ce1c95343c8b9796b2ace6822d8e0eb05", kill_on_drop: false }`
[INFO] [stdout] 09645dd15c47b4c43a43a9bddfc3051ce1c95343c8b9796b2ace6822d8e0eb05