[INFO] fetching crate retrio 0.2.0...
[INFO] testing retrio-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate retrio 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate retrio 0.2.0 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 crates.io crate retrio 0.2.0
[INFO] finished tweaking crates.io crate retrio 0.2.0
[INFO] tweaked toml for crates.io crate retrio 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8ed699ce5439d28b65356b4998b1f755c6d1e32c3a014cbc773b0944ae6455d3
[INFO] running `Command { std: "docker" "start" "-a" "8ed699ce5439d28b65356b4998b1f755c6d1e32c3a014cbc773b0944ae6455d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ed699ce5439d28b65356b4998b1f755c6d1e32c3a014cbc773b0944ae6455d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed699ce5439d28b65356b4998b1f755c6d1e32c3a014cbc773b0944ae6455d3", kill_on_drop: false }`
[INFO] [stdout] 8ed699ce5439d28b65356b4998b1f755c6d1e32c3a014cbc773b0944ae6455d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7aae77ce9cc211b50b2f7120d352901891545247406b9504f718b4658ee92aae
[INFO] running `Command { std: "docker" "start" "-a" "7aae77ce9cc211b50b2f7120d352901891545247406b9504f718b4658ee92aae", kill_on_drop: false }`
[INFO] [stderr]    Compiling retrio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "7aae77ce9cc211b50b2f7120d352901891545247406b9504f718b4658ee92aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aae77ce9cc211b50b2f7120d352901891545247406b9504f718b4658ee92aae", kill_on_drop: false }`
[INFO] [stdout] 7aae77ce9cc211b50b2f7120d352901891545247406b9504f718b4658ee92aae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9c1c290287951de78163cb063b9e5135d60256d38123db852138b396fac558bd
[INFO] running `Command { std: "docker" "start" "-a" "9c1c290287951de78163cb063b9e5135d60256d38123db852138b396fac558bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling partial-io v0.3.1
[INFO] [stderr]    Compiling retrio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/retrio-aea4e0d191e2d18e)
[INFO] running `Command { std: "docker" "inspect" "9c1c290287951de78163cb063b9e5135d60256d38123db852138b396fac558bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1c290287951de78163cb063b9e5135d60256d38123db852138b396fac558bd", kill_on_drop: false }`
[INFO] [stdout] 9c1c290287951de78163cb063b9e5135d60256d38123db852138b396fac558bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 48d82fae1b4f501f7c396631ea223e85a32ac45a8bd12679193be61a2c1ca0e8
[INFO] running `Command { std: "docker" "start" "-a" "48d82fae1b4f501f7c396631ea223e85a32ac45a8bd12679193be61a2c1ca0e8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retrio-aea4e0d191e2d18e)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::reads ... ok
[INFO] [stdout] test tests::reads_buffered ... ok
[INFO] [stdout] test tests::writes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests retrio
[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" "48d82fae1b4f501f7c396631ea223e85a32ac45a8bd12679193be61a2c1ca0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d82fae1b4f501f7c396631ea223e85a32ac45a8bd12679193be61a2c1ca0e8", kill_on_drop: false }`
[INFO] [stdout] 48d82fae1b4f501f7c396631ea223e85a32ac45a8bd12679193be61a2c1ca0e8