[INFO] cloning repository https://github.com/amarao/rust_dual [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amarao/rust_dual" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famarao%2Frust_dual", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famarao%2Frust_dual'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3ad4e382ebe99672f1b1b988e70f6152a7ba16f7 [INFO] testing amarao/rust_dual against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famarao%2Frust_dual" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amarao/rust_dual on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/amarao/rust_dual [INFO] finished tweaking git repo https://github.com/amarao/rust_dual [INFO] tweaked toml for git repo https://github.com/amarao/rust_dual written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/amarao/rust_dual already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7c25dcd698c55f456ed567ac263de8bac1384ec94d8ce7c83330aa20f67393da [INFO] running `Command { std: "docker" "start" "-a" "7c25dcd698c55f456ed567ac263de8bac1384ec94d8ce7c83330aa20f67393da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c25dcd698c55f456ed567ac263de8bac1384ec94d8ce7c83330aa20f67393da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c25dcd698c55f456ed567ac263de8bac1384ec94d8ce7c83330aa20f67393da", kill_on_drop: false }` [INFO] [stdout] 7c25dcd698c55f456ed567ac263de8bac1384ec94d8ce7c83330aa20f67393da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c76055b00a062da48c53087e0a566c1997bc3a623b941460c8f58ca979ec5d61 [INFO] running `Command { std: "docker" "start" "-a" "c76055b00a062da48c53087e0a566c1997bc3a623b941460c8f58ca979ec5d61", kill_on_drop: false }` [INFO] [stderr] Compiling dual v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | fn loop_set(mut mw: Multiwrite) { [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: associated function is never used: `copy_into_slice` [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn copy_into_slice(&self, dest: &mut [T]) -> Result<(), &'static str> [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 [unoptimized + debuginfo] target(s) in 2.16s [INFO] running `Command { std: "docker" "inspect" "c76055b00a062da48c53087e0a566c1997bc3a623b941460c8f58ca979ec5d61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c76055b00a062da48c53087e0a566c1997bc3a623b941460c8f58ca979ec5d61", kill_on_drop: false }` [INFO] [stdout] c76055b00a062da48c53087e0a566c1997bc3a623b941460c8f58ca979ec5d61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 01d44d21fab5fb8722f9d23a49f4e90c2c46549ea26d21aac787d5541bc9deb0 [INFO] running `Command { std: "docker" "start" "-a" "01d44d21fab5fb8722f9d23a49f4e90c2c46549ea26d21aac787d5541bc9deb0", kill_on_drop: false }` [INFO] [stderr] Compiling dual v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | fn loop_set(mut mw: Multiwrite) { [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/main.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | let mut a = Multiwrite::new(1, 0).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `copy_into_slice` [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn copy_into_slice(&self, dest: &mut [T]) -> Result<(), &'static str> [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.49s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/dual-d14c47565bfeadef) [INFO] running `Command { std: "docker" "inspect" "01d44d21fab5fb8722f9d23a49f4e90c2c46549ea26d21aac787d5541bc9deb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01d44d21fab5fb8722f9d23a49f4e90c2c46549ea26d21aac787d5541bc9deb0", kill_on_drop: false }` [INFO] [stdout] 01d44d21fab5fb8722f9d23a49f4e90c2c46549ea26d21aac787d5541bc9deb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 66f7fd40aa9ba6c28600a0c42d66b9bcaf53f06ed2cfdb54c3c881c2bf690538 [INFO] running `Command { std: "docker" "start" "-a" "66f7fd40aa9ba6c28600a0c42d66b9bcaf53f06ed2cfdb54c3c881c2bf690538", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | fn loop_set(mut mw: Multiwrite) { [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/main.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | let mut a = Multiwrite::new(1, 0).unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `copy_into_slice` [INFO] [stderr] --> src/main.rs:34:8 [INFO] [stderr] | [INFO] [stderr] 34 | fn copy_into_slice(&self, dest: &mut [T]) -> Result<(), &'static str> [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `dual` (bin "dual" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dual-d14c47565bfeadef) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_create ... ok [INFO] [stdout] test test_write ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "66f7fd40aa9ba6c28600a0c42d66b9bcaf53f06ed2cfdb54c3c881c2bf690538", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66f7fd40aa9ba6c28600a0c42d66b9bcaf53f06ed2cfdb54c3c881c2bf690538", kill_on_drop: false }` [INFO] [stdout] 66f7fd40aa9ba6c28600a0c42d66b9bcaf53f06ed2cfdb54c3c881c2bf690538