[INFO] fetching crate scroll-buffer 0.3.0...
[INFO] testing scroll-buffer-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate scroll-buffer 0.3.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate scroll-buffer 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scroll-buffer 0.3.0
[INFO] finished tweaking crates.io crate scroll-buffer 0.3.0
[INFO] tweaked toml for crates.io crate scroll-buffer 0.3.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8496aa8ff0991318b61f196efc7e9539392e9afce2e12ef64fe182316f779128
[INFO] running `Command { std: "docker" "start" "-a" "8496aa8ff0991318b61f196efc7e9539392e9afce2e12ef64fe182316f779128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8496aa8ff0991318b61f196efc7e9539392e9afce2e12ef64fe182316f779128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8496aa8ff0991318b61f196efc7e9539392e9afce2e12ef64fe182316f779128", kill_on_drop: false }`
[INFO] [stdout] 8496aa8ff0991318b61f196efc7e9539392e9afce2e12ef64fe182316f779128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa3a8c1b2f7c71460d59adb958c92e9cdb73fb48e642129b3bd940bbbacf9f0d
[INFO] running `Command { std: "docker" "start" "-a" "fa3a8c1b2f7c71460d59adb958c92e9cdb73fb48e642129b3bd940bbbacf9f0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll v0.11.0
[INFO] [stderr]    Compiling scroll-buffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "fa3a8c1b2f7c71460d59adb958c92e9cdb73fb48e642129b3bd940bbbacf9f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3a8c1b2f7c71460d59adb958c92e9cdb73fb48e642129b3bd940bbbacf9f0d", kill_on_drop: false }`
[INFO] [stdout] fa3a8c1b2f7c71460d59adb958c92e9cdb73fb48e642129b3bd940bbbacf9f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c0b171dc09008b18145d02d559354ecf74418a6cb435682daa73f775dae67b
[INFO] running `Command { std: "docker" "start" "-a" "92c0b171dc09008b18145d02d559354ecf74418a6cb435682daa73f775dae67b", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll-buffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "92c0b171dc09008b18145d02d559354ecf74418a6cb435682daa73f775dae67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c0b171dc09008b18145d02d559354ecf74418a6cb435682daa73f775dae67b", kill_on_drop: false }`
[INFO] [stdout] 92c0b171dc09008b18145d02d559354ecf74418a6cb435682daa73f775dae67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 873b22e94d075dccd598885bde1e45344675e836569dff5a6a8e897071e576d4
[INFO] running `Command { std: "docker" "start" "-a" "873b22e94d075dccd598885bde1e45344675e836569dff5a6a8e897071e576d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scroll_buffer-433bd79445cdd16e)
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests scroll-buffer
[INFO] [stdout] test tests::alloc_size ... ok
[INFO] [stdout] test tests::basic_write ... ok
[INFO] [stdout] test tests::dyn_size_write ... ok
[INFO] [stdout] test tests::int_write ... ok
[INFO] [stdout] test tests::offset_write ... ok
[INFO] [stdout] test tests::slice_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - DynamicBuffer::get (line 85) ... ok
[INFO] [stdout] test src/lib.rs - DynamicBuffer::clear (line 115) ... ok
[INFO] [stdout] test src/lib.rs - DynamicBuffer::into_vec (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 385) ... ok
[INFO] [stdout] test src/lib.rs - DynamicBuffer (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "873b22e94d075dccd598885bde1e45344675e836569dff5a6a8e897071e576d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873b22e94d075dccd598885bde1e45344675e836569dff5a6a8e897071e576d4", kill_on_drop: false }`
[INFO] [stdout] 873b22e94d075dccd598885bde1e45344675e836569dff5a6a8e897071e576d4