[INFO] crate range-split 0.2.0 is already in cache
[INFO] testing range-split-0.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate range-split 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate range-split 0.2.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate range-split 0.2.0
[INFO] finished tweaking crates.io crate range-split 0.2.0
[INFO] tweaked toml for crates.io crate range-split 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c6c6375f2fce6af985a48587eaa4019c9d175d7507124f686b9a297f85e61b7
[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" "1c6c6375f2fce6af985a48587eaa4019c9d175d7507124f686b9a297f85e61b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6c6375f2fce6af985a48587eaa4019c9d175d7507124f686b9a297f85e61b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6c6375f2fce6af985a48587eaa4019c9d175d7507124f686b9a297f85e61b7", kill_on_drop: false }`
[INFO] [stdout] 1c6c6375f2fce6af985a48587eaa4019c9d175d7507124f686b9a297f85e61b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 950372c8046bd227150caa316227c9a3052177769ab3def3ff992b4c23d5ec45
[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" "950372c8046bd227150caa316227c9a3052177769ab3def3ff992b4c23d5ec45", kill_on_drop: false }`
[INFO] [stderr]    Compiling range-split v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `bytes::bytes::Bytes::split_off` that must be used
[INFO] [stdout]   --> src/bytes.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             self.split_off(range.start);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: consider Bytes::truncate if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "950372c8046bd227150caa316227c9a3052177769ab3def3ff992b4c23d5ec45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950372c8046bd227150caa316227c9a3052177769ab3def3ff992b4c23d5ec45", kill_on_drop: false }`
[INFO] [stdout] 950372c8046bd227150caa316227c9a3052177769ab3def3ff992b4c23d5ec45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 77039d4b4dad10b0d2fe35e0e5ac6a3bb49f2094ca112fd954707ec4ff198205
[INFO] running `Command { std: "docker" "start" "-a" "77039d4b4dad10b0d2fe35e0e5ac6a3bb49f2094ca112fd954707ec4ff198205", kill_on_drop: false }`
[INFO] [stderr]    Compiling range-split v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `bytes::bytes::Bytes::split_off` that must be used
[INFO] [stdout]   --> src/bytes.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             self.split_off(range.start);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: consider Bytes::truncate if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `bytes::bytes::Bytes::split_off` that must be used
[INFO] [stdout]   --> src/bytes.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             self.split_off(range.start);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: consider Bytes::truncate if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77039d4b4dad10b0d2fe35e0e5ac6a3bb49f2094ca112fd954707ec4ff198205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77039d4b4dad10b0d2fe35e0e5ac6a3bb49f2094ca112fd954707ec4ff198205", kill_on_drop: false }`
[INFO] [stdout] 77039d4b4dad10b0d2fe35e0e5ac6a3bb49f2094ca112fd954707ec4ff198205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e942d07f7e9391a2b8642cda2bf6ae4215d2a6658cb1780cd23b0409152b2f01
[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" "e942d07f7e9391a2b8642cda2bf6ae4215d2a6658cb1780cd23b0409152b2f01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `bytes::bytes::Bytes::split_off` that must be used
[INFO] [stderr]   --> src/bytes.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             self.split_off(range.start);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider Bytes::truncate if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::bytes::Bytes::split_off` that must be used
[INFO] [stderr]   --> src/bytes.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             self.split_off(range.start);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider Bytes::truncate if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/range_split-e0c521611c979d44
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assert_str_range-b1e1848830356b36
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test assert_str_range_borrows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests range-split
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] test src/str.rs - assert_str_range (line 17) ... ok
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] test src/str.rs - assert_str_range (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e942d07f7e9391a2b8642cda2bf6ae4215d2a6658cb1780cd23b0409152b2f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e942d07f7e9391a2b8642cda2bf6ae4215d2a6658cb1780cd23b0409152b2f01", kill_on_drop: false }`
[INFO] [stdout] e942d07f7e9391a2b8642cda2bf6ae4215d2a6658cb1780cd23b0409152b2f01