[INFO] fetching crate rotating-buffer 0.2.0...
[INFO] testing rotating-buffer-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rotating-buffer 0.2.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate rotating-buffer 0.2.0 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 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-26/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 74cf4863b151332648ce59a32874715f5a7183f90a06319e727dbfaf80f94f48
[INFO] running `Command { std: "docker" "start" "-a" "74cf4863b151332648ce59a32874715f5a7183f90a06319e727dbfaf80f94f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cf4863b151332648ce59a32874715f5a7183f90a06319e727dbfaf80f94f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cf4863b151332648ce59a32874715f5a7183f90a06319e727dbfaf80f94f48", kill_on_drop: false }`
[INFO] [stdout] 74cf4863b151332648ce59a32874715f5a7183f90a06319e727dbfaf80f94f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] b42eddde2207944e091a89ca55eae7c934bb75b44ffb8d01ec047268a8f189f6
[INFO] running `Command { std: "docker" "start" "-a" "b42eddde2207944e091a89ca55eae7c934bb75b44ffb8d01ec047268a8f189f6", 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 1.39s
[INFO] running `Command { std: "docker" "inspect" "b42eddde2207944e091a89ca55eae7c934bb75b44ffb8d01ec047268a8f189f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42eddde2207944e091a89ca55eae7c934bb75b44ffb8d01ec047268a8f189f6", kill_on_drop: false }`
[INFO] [stdout] b42eddde2207944e091a89ca55eae7c934bb75b44ffb8d01ec047268a8f189f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 83e5d74e8d31fb59f04bafba6d103c4c4a41a5564aa226068a6e451714da5832
[INFO] running `Command { std: "docker" "start" "-a" "83e5d74e8d31fb59f04bafba6d103c4c4a41a5564aa226068a6e451714da5832", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotating-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "83e5d74e8d31fb59f04bafba6d103c4c4a41a5564aa226068a6e451714da5832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e5d74e8d31fb59f04bafba6d103c4c4a41a5564aa226068a6e451714da5832", kill_on_drop: false }`
[INFO] [stdout] 83e5d74e8d31fb59f04bafba6d103c4c4a41a5564aa226068a6e451714da5832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] e435188321dddf203bf90eba0807fbb6e48fc62c975dec06e70a08cd2450755f
[INFO] running `Command { std: "docker" "start" "-a" "e435188321dddf203bf90eba0807fbb6e48fc62c975dec06e70a08cd2450755f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rotating_buffer-e3d3a61f4eaaaf4b)
[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> (line 170) ... ok
[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>::get_append_only (line 70) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize_at (line 151) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e435188321dddf203bf90eba0807fbb6e48fc62c975dec06e70a08cd2450755f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e435188321dddf203bf90eba0807fbb6e48fc62c975dec06e70a08cd2450755f", kill_on_drop: false }`
[INFO] [stdout] e435188321dddf203bf90eba0807fbb6e48fc62c975dec06e70a08cd2450755f