[INFO] cloning repository https://github.com/Micutio/surviving_async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Micutio/surviving_async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicutio%2Fsurviving_async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicutio%2Fsurviving_async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b766989a1bbdfa1bc2173b65113b1159c44d39f4 [INFO] testing Micutio/surviving_async against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicutio%2Fsurviving_async" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Micutio/surviving_async on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Micutio/surviving_async [INFO] finished tweaking git repo https://github.com/Micutio/surviving_async [INFO] tweaked toml for git repo https://github.com/Micutio/surviving_async written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Micutio/surviving_async already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded eyre v0.6.0 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.17 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.67 [INFO] [stderr] Downloaded blocking v0.5.2 [INFO] [stderr] Downloaded fastrand v1.3.4 [INFO] [stderr] Downloaded async-mutex v1.1.5 [INFO] [stderr] Downloaded vec-arena v0.5.2 [INFO] [stderr] Downloaded async-executor v0.1.2 [INFO] [stderr] Downloaded async-io v0.1.11 [INFO] [stderr] Downloaded argh_derive v0.1.1 [INFO] [stderr] Downloaded argh_shared v0.1.1 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.67 [INFO] [stderr] Downloaded argh v0.1.3 [INFO] [stderr] Downloaded tracing-error v0.1.2 [INFO] [stderr] Downloaded multitask v0.2.0 [INFO] [stderr] Downloaded polling v0.1.5 [INFO] [stderr] Downloaded web-sys v0.3.44 [INFO] [stderr] Downloaded tracing-core v0.1.14 [INFO] [stderr] Downloaded js-sys v0.3.44 [INFO] [stderr] Downloaded wasm-bindgen v0.2.67 [INFO] [stderr] Downloaded async-channel v1.4.1 [INFO] [stderr] Downloaded color-spantrace v0.1.4 [INFO] [stderr] Downloaded event-listener v2.4.0 [INFO] [stderr] Downloaded futures-lite v0.1.11 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.67 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.67 [INFO] [stderr] Downloaded async-std v1.6.3 [INFO] [stderr] Downloaded color-eyre v0.5.1 [INFO] [stderr] Downloaded indenter v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96d6a0d35d27fbe6ace864b5585295479979df7486f61c4c15fd10c9c0f0e1b5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "96d6a0d35d27fbe6ace864b5585295479979df7486f61c4c15fd10c9c0f0e1b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96d6a0d35d27fbe6ace864b5585295479979df7486f61c4c15fd10c9c0f0e1b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96d6a0d35d27fbe6ace864b5585295479979df7486f61c4c15fd10c9c0f0e1b5", kill_on_drop: false }` [INFO] [stdout] 96d6a0d35d27fbe6ace864b5585295479979df7486f61c4c15fd10c9c0f0e1b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8caadae8e12d5ed746007b7c034a7f4124f8c5062fd3c2b565926700d742fa9b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8caadae8e12d5ed746007b7c034a7f4124f8c5062fd3c2b565926700d742fa9b", kill_on_drop: false }` [INFO] [stderr] Compiling fastrand v1.3.4 [INFO] [stderr] Compiling event-listener v2.4.0 [INFO] [stderr] Compiling vec-arena v0.5.2 [INFO] [stderr] Compiling eyre v0.6.0 [INFO] [stderr] Compiling argh_shared v0.1.1 [INFO] [stderr] Compiling parking v1.0.6 [INFO] [stderr] Compiling indenter v0.3.0 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling tracing-core v0.1.14 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling polling v0.1.5 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling async-channel v1.4.1 [INFO] [stderr] Compiling async-mutex v1.1.5 [INFO] [stderr] Compiling sha3 v0.9.1 [INFO] [stderr] Compiling futures-lite v0.1.11 [INFO] [stderr] Compiling multitask v0.2.0 [INFO] [stderr] Compiling tracing-subscriber v0.2.11 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling async-io v0.1.11 [INFO] [stderr] Compiling blocking v0.5.2 [INFO] [stderr] Compiling async-executor v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling argh_derive v0.1.1 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling async-std v1.6.3 [INFO] [stderr] Compiling tracing v0.1.19 [INFO] [stderr] Compiling argh v0.1.3 [INFO] [stderr] Compiling tracing-error v0.1.2 [INFO] [stderr] Compiling color-spantrace v0.1.4 [INFO] [stderr] Compiling color-eyre v0.5.1 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling surviving_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | cx: &mut Context<'_>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | buf: &mut [u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | inner: R, [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 dev [unoptimized + debuginfo] target(s) in 1m 10s [INFO] running `Command { std: "docker" "inspect" "8caadae8e12d5ed746007b7c034a7f4124f8c5062fd3c2b565926700d742fa9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8caadae8e12d5ed746007b7c034a7f4124f8c5062fd3c2b565926700d742fa9b", kill_on_drop: false }` [INFO] [stdout] 8caadae8e12d5ed746007b7c034a7f4124f8c5062fd3c2b565926700d742fa9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 722398fbf83d38540e4b685e1cb76dabb78bf54f6a1acd4cbbbcaedf3fb53547 [INFO] running `Command { std: "docker" "start" "-a" "722398fbf83d38540e4b685e1cb76dabb78bf54f6a1acd4cbbbcaedf3fb53547", kill_on_drop: false }` [INFO] [stderr] Compiling surviving_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | cx: &mut Context<'_>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | buf: &mut [u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | inner: R, [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 1.61s [INFO] running `Command { std: "docker" "inspect" "722398fbf83d38540e4b685e1cb76dabb78bf54f6a1acd4cbbbcaedf3fb53547", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "722398fbf83d38540e4b685e1cb76dabb78bf54f6a1acd4cbbbcaedf3fb53547", kill_on_drop: false }` [INFO] [stdout] 722398fbf83d38540e4b685e1cb76dabb78bf54f6a1acd4cbbbcaedf3fb53547 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2407cfb02b8a7b6a30ea26820f7178052e4ee3021fb53e15ff284a96839d2aad [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2407cfb02b8a7b6a30ea26820f7178052e4ee3021fb53e15ff284a96839d2aad", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/main.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | cx: &mut Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | buf: &mut [u8], [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `inner` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | inner: R, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `surviving_async` (bin "surviving_async" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/surviving_async-724570d7e25d21ef) [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" "2407cfb02b8a7b6a30ea26820f7178052e4ee3021fb53e15ff284a96839d2aad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2407cfb02b8a7b6a30ea26820f7178052e4ee3021fb53e15ff284a96839d2aad", kill_on_drop: false }` [INFO] [stdout] 2407cfb02b8a7b6a30ea26820f7178052e4ee3021fb53e15ff284a96839d2aad