[INFO] fetching crate mock-io 0.3.2...
[INFO] testing mock-io-0.3.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mock-io 0.3.2 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate mock-io 0.3.2 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 mock-io 0.3.2
[INFO] finished tweaking crates.io crate mock-io 0.3.2
[INFO] tweaked toml for crates.io crate mock-io 0.3.2 written to /workspace/builds/worker-33/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 087fc949be230737c008271af36faac27c2c6e53f56356ea84e830588b3b9cb2
[INFO] running `Command { std: "docker" "start" "-a" "087fc949be230737c008271af36faac27c2c6e53f56356ea84e830588b3b9cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087fc949be230737c008271af36faac27c2c6e53f56356ea84e830588b3b9cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087fc949be230737c008271af36faac27c2c6e53f56356ea84e830588b3b9cb2", kill_on_drop: false }`
[INFO] [stdout] 087fc949be230737c008271af36faac27c2c6e53f56356ea84e830588b3b9cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 94cabd30dcfbfd021151a425ff40fc3da11c7117dec7536274d2f87b2d47a902
[INFO] running `Command { std: "docker" "start" "-a" "94cabd30dcfbfd021151a425ff40fc3da11c7117dec7536274d2f87b2d47a902", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling mock-io v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "94cabd30dcfbfd021151a425ff40fc3da11c7117dec7536274d2f87b2d47a902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cabd30dcfbfd021151a425ff40fc3da11c7117dec7536274d2f87b2d47a902", kill_on_drop: false }`
[INFO] [stdout] 94cabd30dcfbfd021151a425ff40fc3da11c7117dec7536274d2f87b2d47a902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 93935a05d09de67f498e73b4a60f5f664a95dfb6a27b7432336c6d702446aac5
[INFO] running `Command { std: "docker" "start" "-a" "93935a05d09de67f498e73b4a60f5f664a95dfb6a27b7432336c6d702446aac5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling mock-io v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.27s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mock_io-5ecd86e1e6635d93)
[INFO] running `Command { std: "docker" "inspect" "93935a05d09de67f498e73b4a60f5f664a95dfb6a27b7432336c6d702446aac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93935a05d09de67f498e73b4a60f5f664a95dfb6a27b7432336c6d702446aac5", kill_on_drop: false }`
[INFO] [stdout] 93935a05d09de67f498e73b4a60f5f664a95dfb6a27b7432336c6d702446aac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 834df035505c858adbcd935b13d23fb020f8e226f6426cc9f7263ddb64a608f6
[INFO] running `Command { std: "docker" "start" "-a" "834df035505c858adbcd935b13d23fb020f8e226f6426cc9f7263ddb64a608f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mock_io-5ecd86e1e6635d93)
[INFO] [stderr]    Doc-tests mock-io
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mock_stream::sync::tests::check_stream_communication ... ok
[INFO] [stdout] test mock_listener::sync::tests::check_listener_flow ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "834df035505c858adbcd935b13d23fb020f8e226f6426cc9f7263ddb64a608f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834df035505c858adbcd935b13d23fb020f8e226f6426cc9f7263ddb64a608f6", kill_on_drop: false }`
[INFO] [stdout] 834df035505c858adbcd935b13d23fb020f8e226f6426cc9f7263ddb64a608f6