[INFO] fetching crate tokio-netstring-trait 0.0.1...
[INFO] testing tokio-netstring-trait-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tokio-netstring-trait 0.0.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate tokio-netstring-trait 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 tokio-netstring-trait 0.0.1
[INFO] finished tweaking crates.io crate tokio-netstring-trait 0.0.1
[INFO] tweaked toml for crates.io crate tokio-netstring-trait 0.0.1 written to /workspace/builds/worker-23/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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 06da40c928d1ad73ba489e61e8f9bc9de905fe4b71b85dcba9562581b4b41eae
[INFO] running `Command { std: "docker" "start" "-a" "06da40c928d1ad73ba489e61e8f9bc9de905fe4b71b85dcba9562581b4b41eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06da40c928d1ad73ba489e61e8f9bc9de905fe4b71b85dcba9562581b4b41eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06da40c928d1ad73ba489e61e8f9bc9de905fe4b71b85dcba9562581b4b41eae", kill_on_drop: false }`
[INFO] [stdout] 06da40c928d1ad73ba489e61e8f9bc9de905fe4b71b85dcba9562581b4b41eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 57ef6af1b1fca3325b7c43d08e9bf867b99c7e4614952e140d625cf49407ce42
[INFO] running `Command { std: "docker" "start" "-a" "57ef6af1b1fca3325b7c43d08e9bf867b99c7e4614952e140d625cf49407ce42", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tokio-netstring-trait v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "57ef6af1b1fca3325b7c43d08e9bf867b99c7e4614952e140d625cf49407ce42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ef6af1b1fca3325b7c43d08e9bf867b99c7e4614952e140d625cf49407ce42", kill_on_drop: false }`
[INFO] [stdout] 57ef6af1b1fca3325b7c43d08e9bf867b99c7e4614952e140d625cf49407ce42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2a7c19540c69b2c756ef5bcb9646b348a17644028fc1170e750cf8f18361a32b
[INFO] running `Command { std: "docker" "start" "-a" "2a7c19540c69b2c756ef5bcb9646b348a17644028fc1170e750cf8f18361a32b", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling tokio-netstring-trait v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_netstring_trait-16e237125f124e21)
[INFO] running `Command { std: "docker" "inspect" "2a7c19540c69b2c756ef5bcb9646b348a17644028fc1170e750cf8f18361a32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7c19540c69b2c756ef5bcb9646b348a17644028fc1170e750cf8f18361a32b", kill_on_drop: false }`
[INFO] [stdout] 2a7c19540c69b2c756ef5bcb9646b348a17644028fc1170e750cf8f18361a32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2e090f7060673fb919b190cc50800c4d4a3ecf248c89087e93a82c4acdaab485
[INFO] running `Command { std: "docker" "start" "-a" "2e090f7060673fb919b190cc50800c4d4a3ecf248c89087e93a82c4acdaab485", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_netstring_trait-16e237125f124e21)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-netstring-trait
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "2e090f7060673fb919b190cc50800c4d4a3ecf248c89087e93a82c4acdaab485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e090f7060673fb919b190cc50800c4d4a3ecf248c89087e93a82c4acdaab485", kill_on_drop: false }`
[INFO] [stdout] 2e090f7060673fb919b190cc50800c4d4a3ecf248c89087e93a82c4acdaab485