[INFO] fetching crate range-split 0.3.0...
[INFO] testing range-split-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate range-split 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate range-split 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate range-split 0.3.0
[INFO] finished tweaking crates.io crate range-split 0.3.0
[INFO] tweaked toml for crates.io crate range-split 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67924e8147b43393ca24792e789a3f5ac66114eb426f060d624be9507b3631ff
[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" "67924e8147b43393ca24792e789a3f5ac66114eb426f060d624be9507b3631ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67924e8147b43393ca24792e789a3f5ac66114eb426f060d624be9507b3631ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67924e8147b43393ca24792e789a3f5ac66114eb426f060d624be9507b3631ff", kill_on_drop: false }`
[INFO] [stdout] 67924e8147b43393ca24792e789a3f5ac66114eb426f060d624be9507b3631ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1690d865ebe1b6fe9a8b0fd06901c3dcae0302098c80ecefd879551fc392f54
[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" "b1690d865ebe1b6fe9a8b0fd06901c3dcae0302098c80ecefd879551fc392f54", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling range-split v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/str.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 113 |         Err(OutOfBuffer)
[INFO] [stdout]     |         ---------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "b1690d865ebe1b6fe9a8b0fd06901c3dcae0302098c80ecefd879551fc392f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1690d865ebe1b6fe9a8b0fd06901c3dcae0302098c80ecefd879551fc392f54", kill_on_drop: false }`
[INFO] [stdout] b1690d865ebe1b6fe9a8b0fd06901c3dcae0302098c80ecefd879551fc392f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cbfbe1ae866154af4902a27c3859e7b02c585a1f5e6e53a211b5b20e06e6452
[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" "0cbfbe1ae866154af4902a27c3859e7b02c585a1f5e6e53a211b5b20e06e6452", kill_on_drop: false }`
[INFO] [stderr]    Compiling range-split v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/str.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 113 |         Err(OutOfBuffer)
[INFO] [stdout]     |         ---------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/str.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 113 |         Err(OutOfBuffer)
[INFO] [stdout]     |         ---------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "0cbfbe1ae866154af4902a27c3859e7b02c585a1f5e6e53a211b5b20e06e6452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbfbe1ae866154af4902a27c3859e7b02c585a1f5e6e53a211b5b20e06e6452", kill_on_drop: false }`
[INFO] [stdout] 0cbfbe1ae866154af4902a27c3859e7b02c585a1f5e6e53a211b5b20e06e6452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbb5cc90df8ab5b587a6f11280ace182f08157a0e0d69047beecfa9cedb44b15
[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" "dbb5cc90df8ab5b587a6f11280ace182f08157a0e0d69047beecfa9cedb44b15", kill_on_drop: false }`
[INFO] [stderr] warning: attribute should be applied to a function
[INFO] [stderr]    --> src/str.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         #[cold]
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 113 |         Err(OutOfBuffer)
[INFO] [stderr]     |         ---------------- not a function
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: attribute should be applied to a function
[INFO] [stderr]    --> src/str.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         #[cold]
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 113 |         Err(OutOfBuffer)
[INFO] [stderr]     |         ---------------- not a function
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/range_split-8a1a9c1dcaa6e358
[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] [stderr]      Running /opt/rustwide/target/debug/deps/assert_str_range-2b2237e02cb87863
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests range-split
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/str.rs - assert_str_range (line 28) ... ok
[INFO] [stdout] test src/str.rs - assert_str_range (line 17) ... 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" "dbb5cc90df8ab5b587a6f11280ace182f08157a0e0d69047beecfa9cedb44b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb5cc90df8ab5b587a6f11280ace182f08157a0e0d69047beecfa9cedb44b15", kill_on_drop: false }`
[INFO] [stdout] dbb5cc90df8ab5b587a6f11280ace182f08157a0e0d69047beecfa9cedb44b15