[INFO] fetching crate q_rsqrt 0.1.1...
[INFO] building q_rsqrt-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate q_rsqrt 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate q_rsqrt 0.1.1
[INFO] finished tweaking crates.io crate q_rsqrt 0.1.1
[INFO] tweaked toml for crates.io crate q_rsqrt 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate q_rsqrt 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e00475a5d05a5f43c100bc89f472958c7a1409c2d89215c33affa35d06479be
[INFO] running `Command { std: "docker" "start" "-a" "4e00475a5d05a5f43c100bc89f472958c7a1409c2d89215c33affa35d06479be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e00475a5d05a5f43c100bc89f472958c7a1409c2d89215c33affa35d06479be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e00475a5d05a5f43c100bc89f472958c7a1409c2d89215c33affa35d06479be", kill_on_drop: false }`
[INFO] [stdout] 4e00475a5d05a5f43c100bc89f472958c7a1409c2d89215c33affa35d06479be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be82d398877a6cad9782152d8700e78ac3b4f1afe6c1129c928044ba12652b7
[INFO] running `Command { std: "docker" "start" "-a" "7be82d398877a6cad9782152d8700e78ac3b4f1afe6c1129c928044ba12652b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling q_rsqrt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         std::mem::transmute(y) // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]   |
[INFO] [stdout] 7 -         std::mem::transmute(y) // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout] 7 +         f32::to_bits(y).cast_signed() // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     y = unsafe { std::mem::transmute(i) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 10 -     y = unsafe { std::mem::transmute(i) };
[INFO] [stdout] 10 +     y = unsafe { f32::from_bits(i32::cast_unsigned(i)) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "7be82d398877a6cad9782152d8700e78ac3b4f1afe6c1129c928044ba12652b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be82d398877a6cad9782152d8700e78ac3b4f1afe6c1129c928044ba12652b7", kill_on_drop: false }`
[INFO] [stdout] 7be82d398877a6cad9782152d8700e78ac3b4f1afe6c1129c928044ba12652b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7745e7a8a50b4e1dfade3a1281e885e10d0f60ee350dca0d3a0dd0b9fa11748c
[INFO] running `Command { std: "docker" "start" "-a" "7745e7a8a50b4e1dfade3a1281e885e10d0f60ee350dca0d3a0dd0b9fa11748c", kill_on_drop: false }`
[INFO] [stderr]    Compiling q_rsqrt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         std::mem::transmute(y) // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]   |
[INFO] [stdout] 7 -         std::mem::transmute(y) // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout] 7 +         f32::to_bits(y).cast_signed() // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     y = unsafe { std::mem::transmute(i) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 10 -     y = unsafe { std::mem::transmute(i) };
[INFO] [stdout] 10 +     y = unsafe { f32::from_bits(i32::cast_unsigned(i)) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         std::mem::transmute(y) // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]   |
[INFO] [stdout] 7 -         std::mem::transmute(y) // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout] 7 +         f32::to_bits(y).cast_signed() // Uses memory transmutation instead of "evil floating point bit hack"
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     y = unsafe { std::mem::transmute(i) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 10 -     y = unsafe { std::mem::transmute(i) };
[INFO] [stdout] 10 +     y = unsafe { f32::from_bits(i32::cast_unsigned(i)) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "7745e7a8a50b4e1dfade3a1281e885e10d0f60ee350dca0d3a0dd0b9fa11748c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7745e7a8a50b4e1dfade3a1281e885e10d0f60ee350dca0d3a0dd0b9fa11748c", kill_on_drop: false }`
[INFO] [stdout] 7745e7a8a50b4e1dfade3a1281e885e10d0f60ee350dca0d3a0dd0b9fa11748c