[INFO] fetching crate rotating-buffer 0.2.0...
[INFO] testing rotating-buffer-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rotating-buffer 0.2.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate rotating-buffer 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rotating-buffer 0.2.0
[INFO] finished tweaking crates.io crate rotating-buffer 0.2.0
[INFO] tweaked toml for crates.io crate rotating-buffer 0.2.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate rotating-buffer 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e62966f0dc31c74d7f154d456343d1d53b00e1a7b082ae63b27a11da9d9f1eb6
[INFO] running `Command { std: "docker" "start" "-a" "e62966f0dc31c74d7f154d456343d1d53b00e1a7b082ae63b27a11da9d9f1eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e62966f0dc31c74d7f154d456343d1d53b00e1a7b082ae63b27a11da9d9f1eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62966f0dc31c74d7f154d456343d1d53b00e1a7b082ae63b27a11da9d9f1eb6", kill_on_drop: false }`
[INFO] [stdout] e62966f0dc31c74d7f154d456343d1d53b00e1a7b082ae63b27a11da9d9f1eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b886d6ab928389ed95211a53551ca574a8302f066a2dcef4a511bce07e230f6b
[INFO] running `Command { std: "docker" "start" "-a" "b886d6ab928389ed95211a53551ca574a8302f066a2dcef4a511bce07e230f6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rotating-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "b886d6ab928389ed95211a53551ca574a8302f066a2dcef4a511bce07e230f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b886d6ab928389ed95211a53551ca574a8302f066a2dcef4a511bce07e230f6b", kill_on_drop: false }`
[INFO] [stdout] b886d6ab928389ed95211a53551ca574a8302f066a2dcef4a511bce07e230f6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6287ea7be4e7c1847016a6a79480ee9ecc3edf79d541b60eafafbe0c290a69c
[INFO] running `Command { std: "docker" "start" "-a" "c6287ea7be4e7c1847016a6a79480ee9ecc3edf79d541b60eafafbe0c290a69c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rotating-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "c6287ea7be4e7c1847016a6a79480ee9ecc3edf79d541b60eafafbe0c290a69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6287ea7be4e7c1847016a6a79480ee9ecc3edf79d541b60eafafbe0c290a69c", kill_on_drop: false }`
[INFO] [stdout] c6287ea7be4e7c1847016a6a79480ee9ecc3edf79d541b60eafafbe0c290a69c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26f100200f70141c1c4901f2df039121017c866d1b0b05d8d78e80dc6f4f5a52
[INFO] running `Command { std: "docker" "start" "-a" "26f100200f70141c1c4901f2df039121017c866d1b0b05d8d78e80dc6f4f5a52", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rotating_buffer-0b8b381229264b4b)
[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] [stderr]    Doc-tests rotating-buffer
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::as_slice (line 54) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::add_len (line 112) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize_at (line 151) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S> (line 170) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize (line 132) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::get_append_only (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26f100200f70141c1c4901f2df039121017c866d1b0b05d8d78e80dc6f4f5a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f100200f70141c1c4901f2df039121017c866d1b0b05d8d78e80dc6f4f5a52", kill_on_drop: false }`
[INFO] [stdout] 26f100200f70141c1c4901f2df039121017c866d1b0b05d8d78e80dc6f4f5a52