[INFO] fetching crate io-prompt-prototype 1.0.0...
[INFO] testing io-prompt-prototype-1.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate io-prompt-prototype 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate io-prompt-prototype 1.0.0 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 io-prompt-prototype 1.0.0
[INFO] finished tweaking crates.io crate io-prompt-prototype 1.0.0
[INFO] tweaked toml for crates.io crate io-prompt-prototype 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate io-prompt-prototype 1.0.0 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] e94e33b4c6d2d1a1400c70e8411f2c0c806a654f7cb4e6f67298de139da4c260
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e94e33b4c6d2d1a1400c70e8411f2c0c806a654f7cb4e6f67298de139da4c260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94e33b4c6d2d1a1400c70e8411f2c0c806a654f7cb4e6f67298de139da4c260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94e33b4c6d2d1a1400c70e8411f2c0c806a654f7cb4e6f67298de139da4c260", kill_on_drop: false }`
[INFO] [stdout] e94e33b4c6d2d1a1400c70e8411f2c0c806a654f7cb4e6f67298de139da4c260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 86d76e3fe5e368cf8ee23701ebe2b91183e6e94c0898d8bf699a3a33e6ef31de
[INFO] running `Command { std: "docker" "start" "-a" "86d76e3fe5e368cf8ee23701ebe2b91183e6e94c0898d8bf699a3a33e6ef31de", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-prompt-prototype v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "86d76e3fe5e368cf8ee23701ebe2b91183e6e94c0898d8bf699a3a33e6ef31de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d76e3fe5e368cf8ee23701ebe2b91183e6e94c0898d8bf699a3a33e6ef31de", kill_on_drop: false }`
[INFO] [stdout] 86d76e3fe5e368cf8ee23701ebe2b91183e6e94c0898d8bf699a3a33e6ef31de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 324895ed79a1648ab5e22b94a2f18a33f55d3cb1d550bc7dd006032032e1d43c
[INFO] running `Command { std: "docker" "start" "-a" "324895ed79a1648ab5e22b94a2f18a33f55d3cb1d550bc7dd006032032e1d43c", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-prompt-prototype v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_prompt_prototype-3aa9375c3f3b684f)
[INFO] [stderr]   Executable tests/test.rs (/opt/rustwide/target/debug/deps/test-e034755f23cb9d48)
[INFO] running `Command { std: "docker" "inspect" "324895ed79a1648ab5e22b94a2f18a33f55d3cb1d550bc7dd006032032e1d43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324895ed79a1648ab5e22b94a2f18a33f55d3cb1d550bc7dd006032032e1d43c", kill_on_drop: false }`
[INFO] [stdout] 324895ed79a1648ab5e22b94a2f18a33f55d3cb1d550bc7dd006032032e1d43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b7e97dc504d1d9d57493fee794d2d0682b3f2de3a19c5bb6788c8ec4e2f03d2e
[INFO] running `Command { std: "docker" "start" "-a" "b7e97dc504d1d9d57493fee794d2d0682b3f2de3a19c5bb6788c8ec4e2f03d2e", 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/io_prompt_prototype-3aa9375c3f3b684f)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-e034755f23cb9d48)
[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] [stdout] 
[INFO] [stderr]    Doc-tests io-prompt-prototype
[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] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 | #![warn(missing_docs, missing_doc_code_examples, unreachable_pub)]
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - promptln (line 114) - compile ... ok
[INFO] [stdout] test src/lib.rs - eprompt (line 143) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] test src/lib.rs - epromptln (line 175) - compile ... ok
[INFO] [stdout] test src/lib.rs - prompt (line 82) - compile ... ok
[INFO] [stdout] test src/lib.rs - read_line (line 58) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7e97dc504d1d9d57493fee794d2d0682b3f2de3a19c5bb6788c8ec4e2f03d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e97dc504d1d9d57493fee794d2d0682b3f2de3a19c5bb6788c8ec4e2f03d2e", kill_on_drop: false }`
[INFO] [stdout] b7e97dc504d1d9d57493fee794d2d0682b3f2de3a19c5bb6788c8ec4e2f03d2e