[INFO] fetching crate s2 0.0.10...
[INFO] checking s2-0.0.10 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate s2 0.0.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate s2 0.0.10 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s2 0.0.10
[INFO] finished tweaking crates.io crate s2 0.0.10
[INFO] tweaked toml for crates.io crate s2 0.0.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate s2 0.0.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded bigdecimal v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded libm v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", 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] 1cb156368505a4aeaa49775670f660ddb0a1f9b17faef9b282dcf3fe642debf1
[INFO] running `Command { std: "docker" "start" "-a" "1cb156368505a4aeaa49775670f660ddb0a1f9b17faef9b282dcf3fe642debf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb156368505a4aeaa49775670f660ddb0a1f9b17faef9b282dcf3fe642debf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb156368505a4aeaa49775670f660ddb0a1f9b17faef9b282dcf3fe642debf1", kill_on_drop: false }`
[INFO] [stdout] 1cb156368505a4aeaa49775670f660ddb0a1f9b17faef9b282dcf3fe642debf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032ff1504582be4690c3c0de82427b1fc59135bb789b4fa3789443182e552d19
[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" "032ff1504582be4690c3c0de82427b1fc59135bb789b4fa3789443182e552d19", kill_on_drop: false }`
[INFO] [stderr] warning: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking s2 v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/s2/cellid.rs:910:45
[INFO] [stdout]     |
[INFO] [stdout] 910 |     static ref LOOKUP_POS: &'static [u64] = { LOOKUP_TBL[0].as_slice() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/s2/cellid.rs:911:44
[INFO] [stdout]     |
[INFO] [stdout] 911 |     static ref LOOKUP_IJ: &'static [u64] = { LOOKUP_TBL[1].as_slice() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/s2/cellid.rs:910:45
[INFO] [stdout]     |
[INFO] [stdout] 910 |     static ref LOOKUP_POS: &'static [u64] = { LOOKUP_TBL[0].as_slice() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/s2/cellid.rs:911:44
[INFO] [stdout]     |
[INFO] [stdout] 911 |     static ref LOOKUP_IJ: &'static [u64] = { LOOKUP_TBL[1].as_slice() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `Command { std: "docker" "inspect" "032ff1504582be4690c3c0de82427b1fc59135bb789b4fa3789443182e552d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032ff1504582be4690c3c0de82427b1fc59135bb789b4fa3789443182e552d19", kill_on_drop: false }`
[INFO] [stdout] 032ff1504582be4690c3c0de82427b1fc59135bb789b4fa3789443182e552d19