[INFO] cloning repository https://github.com/nabezokodaikon/learning-rust-async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nabezokodaikon/learning-rust-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabezokodaikon%2Flearning-rust-async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabezokodaikon%2Flearning-rust-async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 86aee2f14b5c5a912d3526b9440789f546a749cc [INFO] testing nabezokodaikon/learning-rust-async 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%2Fnabezokodaikon%2Flearning-rust-async" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nabezokodaikon/learning-rust-async 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/nabezokodaikon/learning-rust-async [INFO] finished tweaking git repo https://github.com/nabezokodaikon/learning-rust-async [INFO] tweaked toml for git repo https://github.com/nabezokodaikon/learning-rust-async written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/nabezokodaikon/learning-rust-async 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7942990dc628f2a454954124beed2aa46eaf616dcd923f6a95b390e93a130119 [INFO] running `Command { std: "docker" "start" "-a" "7942990dc628f2a454954124beed2aa46eaf616dcd923f6a95b390e93a130119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7942990dc628f2a454954124beed2aa46eaf616dcd923f6a95b390e93a130119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7942990dc628f2a454954124beed2aa46eaf616dcd923f6a95b390e93a130119", kill_on_drop: false }` [INFO] [stdout] 7942990dc628f2a454954124beed2aa46eaf616dcd923f6a95b390e93a130119 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2626755ce5d4ef0ccef24a46f9a0bef066368efbc0e847759d980119abff3b14 [INFO] running `Command { std: "docker" "start" "-a" "2626755ce5d4ef0ccef24a46f9a0bef066368efbc0e847759d980119abff3b14", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling tokio v1.6.1 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling learning-rust-async v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.70s [INFO] running `Command { std: "docker" "inspect" "2626755ce5d4ef0ccef24a46f9a0bef066368efbc0e847759d980119abff3b14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2626755ce5d4ef0ccef24a46f9a0bef066368efbc0e847759d980119abff3b14", kill_on_drop: false }` [INFO] [stdout] 2626755ce5d4ef0ccef24a46f9a0bef066368efbc0e847759d980119abff3b14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 195f8405e44afe713bde291f7743f68ef37fad372a1fb11793bf9c9555d40a05 [INFO] running `Command { std: "docker" "start" "-a" "195f8405e44afe713bde291f7743f68ef37fad372a1fb11793bf9c9555d40a05", kill_on_drop: false }` [INFO] [stderr] Compiling learning-rust-async v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.94s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust_async-42a3aea066d01119) [INFO] running `Command { std: "docker" "inspect" "195f8405e44afe713bde291f7743f68ef37fad372a1fb11793bf9c9555d40a05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "195f8405e44afe713bde291f7743f68ef37fad372a1fb11793bf9c9555d40a05", kill_on_drop: false }` [INFO] [stdout] 195f8405e44afe713bde291f7743f68ef37fad372a1fb11793bf9c9555d40a05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 48e0a07bbdad39b3bd40660dc79a4c0e6ee54b6e630ac775c910473a9fb8366b [INFO] running `Command { std: "docker" "start" "-a" "48e0a07bbdad39b3bd40660dc79a4c0e6ee54b6e630ac775c910473a9fb8366b", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust_async-42a3aea066d01119) [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" "48e0a07bbdad39b3bd40660dc79a4c0e6ee54b6e630ac775c910473a9fb8366b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e0a07bbdad39b3bd40660dc79a4c0e6ee54b6e630ac775c910473a9fb8366b", kill_on_drop: false }` [INFO] [stdout] 48e0a07bbdad39b3bd40660dc79a4c0e6ee54b6e630ac775c910473a9fb8366b