[INFO] fetching crate nio 0.0.1...
[INFO] testing nio-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nio 0.0.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate nio 0.0.1 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 nio 0.0.1
[INFO] finished tweaking crates.io crate nio 0.0.1
[INFO] tweaked toml for crates.io crate nio 0.0.1 written to /workspace/builds/worker-27/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2b6398e821f643d24d91aeb72035b1dce67138ce06283421df1e9b52935ab82
[INFO] running `Command { std: "docker" "start" "-a" "c2b6398e821f643d24d91aeb72035b1dce67138ce06283421df1e9b52935ab82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b6398e821f643d24d91aeb72035b1dce67138ce06283421df1e9b52935ab82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b6398e821f643d24d91aeb72035b1dce67138ce06283421df1e9b52935ab82", kill_on_drop: false }`
[INFO] [stdout] c2b6398e821f643d24d91aeb72035b1dce67138ce06283421df1e9b52935ab82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec8b865844e089233e27c6ac167569b7d94420fd072c8710cc3062b9653119f9
[INFO] running `Command { std: "docker" "start" "-a" "ec8b865844e089233e27c6ac167569b7d94420fd072c8710cc3062b9653119f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ec8b865844e089233e27c6ac167569b7d94420fd072c8710cc3062b9653119f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8b865844e089233e27c6ac167569b7d94420fd072c8710cc3062b9653119f9", kill_on_drop: false }`
[INFO] [stdout] ec8b865844e089233e27c6ac167569b7d94420fd072c8710cc3062b9653119f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 531a889266ef4cfaa6e8f4825a3096c26c2b901ecade89a14c1bcaad1d73fc8d
[INFO] running `Command { std: "docker" "start" "-a" "531a889266ef4cfaa6e8f4825a3096c26c2b901ecade89a14c1bcaad1d73fc8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/nio-67bb61857de6a3b1)
[INFO] running `Command { std: "docker" "inspect" "531a889266ef4cfaa6e8f4825a3096c26c2b901ecade89a14c1bcaad1d73fc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531a889266ef4cfaa6e8f4825a3096c26c2b901ecade89a14c1bcaad1d73fc8d", kill_on_drop: false }`
[INFO] [stdout] 531a889266ef4cfaa6e8f4825a3096c26c2b901ecade89a14c1bcaad1d73fc8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1974c99a00fce8515d947e9c56094a4b94e5ba86ad1360f9764aa7fdf7c60ff2
[INFO] running `Command { std: "docker" "start" "-a" "1974c99a00fce8515d947e9c56094a4b94e5ba86ad1360f9764aa7fdf7c60ff2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nio-67bb61857de6a3b1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nio
[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" "1974c99a00fce8515d947e9c56094a4b94e5ba86ad1360f9764aa7fdf7c60ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1974c99a00fce8515d947e9c56094a4b94e5ba86ad1360f9764aa7fdf7c60ff2", kill_on_drop: false }`
[INFO] [stdout] 1974c99a00fce8515d947e9c56094a4b94e5ba86ad1360f9764aa7fdf7c60ff2