[INFO] cloning repository https://github.com/keithyin/rust_cuda_practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keithyin/rust_cuda_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Frust_cuda_practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Frust_cuda_practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 316e99a00ae4554cc5e9bb9d0fb19301e9c0c156 [INFO] testing keithyin/rust_cuda_practice against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Frust_cuda_practice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/keithyin/rust_cuda_practice [INFO] finished tweaking git repo https://github.com/keithyin/rust_cuda_practice [INFO] tweaked toml for git repo https://github.com/keithyin/rust_cuda_practice written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/keithyin/rust_cuda_practice on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/keithyin/rust_cuda_practice 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aligned_ptr v0.1.0 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf940f5343dc95dc34997eb02c2d6daa05b9c372a918660a08bac19de4727918 [INFO] running `Command { std: "docker" "start" "-a" "bf940f5343dc95dc34997eb02c2d6daa05b9c372a918660a08bac19de4727918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf940f5343dc95dc34997eb02c2d6daa05b9c372a918660a08bac19de4727918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf940f5343dc95dc34997eb02c2d6daa05b9c372a918660a08bac19de4727918", kill_on_drop: false }` [INFO] [stdout] bf940f5343dc95dc34997eb02c2d6daa05b9c372a918660a08bac19de4727918 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 855d1f1abacfbae853a471f43a4eea67bee592b763b936679e45f0999d6dfb91 [INFO] running `Command { std: "docker" "start" "-a" "855d1f1abacfbae853a471f43a4eea67bee592b763b936679e45f0999d6dfb91", kill_on_drop: false }` [INFO] [stderr] Compiling aligned_ptr v0.1.0 [INFO] [stderr] Compiling learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/image.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `JoinHandle` [INFO] [stdout] --> src/image.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread::{self, JoinHandle}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `channel` is never read [INFO] [stdout] --> src/image.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Image { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 43 | channel: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `exchange_two_pixels`, `flip_vertical`, and `flip_horizontal` are never used [INFO] [stdout] --> src/image.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl Image { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn exchange_two_pixels(&mut self, position: (u32, u32, u32, u32)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn flip_vertical(&mut self) -> u128{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | pub fn flip_horizontal(&mut self) -> u128{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "855d1f1abacfbae853a471f43a4eea67bee592b763b936679e45f0999d6dfb91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "855d1f1abacfbae853a471f43a4eea67bee592b763b936679e45f0999d6dfb91", kill_on_drop: false }` [INFO] [stdout] 855d1f1abacfbae853a471f43a4eea67bee592b763b936679e45f0999d6dfb91 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3d2105ed6145e5e89a625f0bde4236754f0f0b8865f14450a7d384797307556 [INFO] running `Command { std: "docker" "start" "-a" "c3d2105ed6145e5e89a625f0bde4236754f0f0b8865f14450a7d384797307556", kill_on_drop: false }` [INFO] [stderr] Compiling learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/image.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `JoinHandle` [INFO] [stdout] --> src/image.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread::{self, JoinHandle}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `channel` is never read [INFO] [stdout] --> src/image.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Image { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 43 | channel: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `exchange_two_pixels`, `flip_vertical`, and `flip_horizontal` are never used [INFO] [stdout] --> src/image.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl Image { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn exchange_two_pixels(&mut self, position: (u32, u32, u32, u32)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn flip_vertical(&mut self) -> u128{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | pub fn flip_horizontal(&mut self) -> u128{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "c3d2105ed6145e5e89a625f0bde4236754f0f0b8865f14450a7d384797307556", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d2105ed6145e5e89a625f0bde4236754f0f0b8865f14450a7d384797307556", kill_on_drop: false }` [INFO] [stdout] c3d2105ed6145e5e89a625f0bde4236754f0f0b8865f14450a7d384797307556 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 80fef998ea79138f0f1a72ee5c901d8ab3c94d7d692dfedcc522c2ad232c0a5c [INFO] running `Command { std: "docker" "start" "-a" "80fef998ea79138f0f1a72ee5c901d8ab3c94d7d692dfedcc522c2ad232c0a5c", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::time::Instant` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::time::Instant; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/image.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `JoinHandle` [INFO] [stderr] --> src/image.rs:5:25 [INFO] [stderr] | [INFO] [stderr] 5 | use std::thread::{self, JoinHandle}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `channel` is never read [INFO] [stderr] --> src/image.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub struct Image { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] ... [INFO] [stderr] 43 | channel: u32, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: methods `exchange_two_pixels`, `flip_vertical`, and `flip_horizontal` are never used [INFO] [stderr] --> src/image.rs:61:12 [INFO] [stderr] | [INFO] [stderr] 47 | impl Image { [INFO] [stderr] | ---------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 61 | pub fn exchange_two_pixels(&mut self, position: (u32, u32, u32, u32)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 84 | pub fn flip_vertical(&mut self) -> u128{ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 192 | pub fn flip_horizontal(&mut self) -> u128{ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `learn_rust` (bin "learn_rust" test) generated 6 warnings (run `cargo fix --bin "learn_rust" -p learn_rust --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-75e4cb6bfd556410) [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" "80fef998ea79138f0f1a72ee5c901d8ab3c94d7d692dfedcc522c2ad232c0a5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80fef998ea79138f0f1a72ee5c901d8ab3c94d7d692dfedcc522c2ad232c0a5c", kill_on_drop: false }` [INFO] [stdout] 80fef998ea79138f0f1a72ee5c901d8ab3c94d7d692dfedcc522c2ad232c0a5c