[INFO] fetching crate layered-io 0.13.0...
[INFO] testing layered-io-0.13.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate layered-io 0.13.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate layered-io 0.13.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate layered-io 0.13.0
[INFO] finished tweaking crates.io crate layered-io 0.13.0
[INFO] tweaked toml for crates.io crate layered-io 0.13.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-extras v0.14.0
[INFO] [stderr]   Downloaded io-lifetimes v0.6.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.42
[INFO] [stderr]   Downloaded hermit-abi v0.2.0
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded os_pipe v1.0.1
[INFO] [stderr]   Downloaded rustix v0.34.2
[INFO] [stderr]   Downloaded is-terminal v0.2.0
[INFO] [stderr]   Downloaded terminal-io v0.13.0
[INFO] [stderr]   Downloaded duplex v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d885e4c3c3379bc9b3db779033746b4182abe663e1e0f52f8ef3652874c459
[INFO] running `Command { std: "docker" "start" "-a" "93d885e4c3c3379bc9b3db779033746b4182abe663e1e0f52f8ef3652874c459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d885e4c3c3379bc9b3db779033746b4182abe663e1e0f52f8ef3652874c459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d885e4c3c3379bc9b3db779033746b4182abe663e1e0f52f8ef3652874c459", kill_on_drop: false }`
[INFO] [stdout] 93d885e4c3c3379bc9b3db779033746b4182abe663e1e0f52f8ef3652874c459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a53642a1c149f4f1f1ed7815a8f50acbb931359619b795b6a4f081e030f919
[INFO] running `Command { std: "docker" "start" "-a" "40a53642a1c149f4f1f1ed7815a8f50acbb931359619b795b6a4f081e030f919", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling io-extras v0.14.0
[INFO] [stderr]    Compiling layered-io v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling duplex v0.12.0
[INFO] [stderr]    Compiling os_pipe v1.0.1
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/bufferable.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn abandon(&mut self) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 104 |         self.as_mut().abandon()
[INFO] [stdout]     |         ----------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "40a53642a1c149f4f1f1ed7815a8f50acbb931359619b795b6a4f081e030f919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a53642a1c149f4f1f1ed7815a8f50acbb931359619b795b6a4f081e030f919", kill_on_drop: false }`
[INFO] [stdout] 40a53642a1c149f4f1f1ed7815a8f50acbb931359619b795b6a4f081e030f919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02981ed03f2f1509e47712e250ab9f3c64420d437f2783bb688e3c5e6d638e75
[INFO] running `Command { std: "docker" "start" "-a" "02981ed03f2f1509e47712e250ab9f3c64420d437f2783bb688e3c5e6d638e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling layered-io v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/bufferable.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn abandon(&mut self) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 104 |         self.as_mut().abandon()
[INFO] [stdout]     |         ----------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/bufferable.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn abandon(&mut self) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 104 |         self.as_mut().abandon()
[INFO] [stdout]     |         ----------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "02981ed03f2f1509e47712e250ab9f3c64420d437f2783bb688e3c5e6d638e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02981ed03f2f1509e47712e250ab9f3c64420d437f2783bb688e3c5e6d638e75", kill_on_drop: false }`
[INFO] [stdout] 02981ed03f2f1509e47712e250ab9f3c64420d437f2783bb688e3c5e6d638e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7c3f73f41e9b79ebd9809a1ac58498ff1da6c71de2c57e251fd3efb367e6107
[INFO] running `Command { std: "docker" "start" "-a" "e7c3f73f41e9b79ebd9809a1ac58498ff1da6c71de2c57e251fd3efb367e6107", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stdout] running 4 tests
[INFO] [stderr]    --> src/bufferable.rs:103:5
[INFO] [stdout] test slice_reader::test_slice_read ... ok
[INFO] [stderr]     |
[INFO] [stdout] test slice_reader::test_slice_read_with_status ... ok
[INFO] [stderr] 103 |     fn abandon(&mut self) {
[INFO] [stdout] test layered_duplexer::test_layered_duplexion ... ok
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] test layered_reader::test_layered_reader ... ok
[INFO] [stderr] 104 |         self.as_mut().abandon()
[INFO] [stdout] 
[INFO] [stderr]     |         ----------------------- recursive call site
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: `layered-io` (lib) generated 1 warning
[INFO] [stderr] warning: `layered-io` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/layered_io-81af375a92c04351)
[INFO] [stderr]    Doc-tests layered-io
[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" "e7c3f73f41e9b79ebd9809a1ac58498ff1da6c71de2c57e251fd3efb367e6107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c3f73f41e9b79ebd9809a1ac58498ff1da6c71de2c57e251fd3efb367e6107", kill_on_drop: false }`
[INFO] [stdout] e7c3f73f41e9b79ebd9809a1ac58498ff1da6c71de2c57e251fd3efb367e6107