[INFO] fetching crate compiler_builtins 0.1.160...
[INFO] testing compiler_builtins-0.1.160 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate compiler_builtins 0.1.160 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate compiler_builtins 0.1.160
[INFO] finished tweaking crates.io crate compiler_builtins 0.1.160
[INFO] tweaked toml for crates.io crate compiler_builtins 0.1.160 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compiler_builtins 0.1.160 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compiler_builtins 0.1.160 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e6bbc26c515bf7d948de05dd80bcc71b6a5c407000b94f058f1d9b5f3aa6743
[INFO] running `Command { std: "docker" "start" "-a" "2e6bbc26c515bf7d948de05dd80bcc71b6a5c407000b94f058f1d9b5f3aa6743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e6bbc26c515bf7d948de05dd80bcc71b6a5c407000b94f058f1d9b5f3aa6743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6bbc26c515bf7d948de05dd80bcc71b6a5c407000b94f058f1d9b5f3aa6743", kill_on_drop: false }`
[INFO] [stdout] 2e6bbc26c515bf7d948de05dd80bcc71b6a5c407000b94f058f1d9b5f3aa6743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da234ae5bc9c5f65e19cc11c594780a2b74ad2cef7114094813c562d5c87c1d9
[INFO] running `Command { std: "docker" "start" "-a" "da234ae5bc9c5f65e19cc11c594780a2b74ad2cef7114094813c562d5c87c1d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler_builtins v0.1.160 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/math/libm_math/support/float_traits.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |                           unsafe{ core::intrinsics::$fma_intrinsic(self, y, z) }
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 300 | / float_impl!(
[INFO] [stdout] 301 | |     f16,
[INFO] [stdout] 302 | |     u16,
[INFO] [stdout] 303 | |     i16,
[INFO] [stdout] ...   |
[INFO] [stdout] 309 | |     fmaf16
[INFO] [stdout] 310 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/math/libm_math/support/float_traits.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |                           unsafe{ core::intrinsics::$fma_intrinsic(self, y, z) }
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 311 | / float_impl!(
[INFO] [stdout] 312 | |     f32,
[INFO] [stdout] 313 | |     u32,
[INFO] [stdout] 314 | |     i32,
[INFO] [stdout] ...   |
[INFO] [stdout] 320 | |     fmaf32
[INFO] [stdout] 321 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/math/libm_math/support/float_traits.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |                           unsafe{ core::intrinsics::$fma_intrinsic(self, y, z) }
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 322 | / float_impl!(
[INFO] [stdout] 323 | |     f64,
[INFO] [stdout] 324 | |     u64,
[INFO] [stdout] 325 | |     i64,
[INFO] [stdout] ...   |
[INFO] [stdout] 331 | |     fmaf64
[INFO] [stdout] 332 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/math/libm_math/support/float_traits.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |                           unsafe{ core::intrinsics::$fma_intrinsic(self, y, z) }
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 334 | / float_impl!(
[INFO] [stdout] 335 | |     f128,
[INFO] [stdout] 336 | |     u128,
[INFO] [stdout] 337 | |     i128,
[INFO] [stdout] ...   |
[INFO] [stdout] 343 | |     fmaf128
[INFO] [stdout] 344 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `float_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "da234ae5bc9c5f65e19cc11c594780a2b74ad2cef7114094813c562d5c87c1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da234ae5bc9c5f65e19cc11c594780a2b74ad2cef7114094813c562d5c87c1d9", kill_on_drop: false }`
[INFO] [stdout] da234ae5bc9c5f65e19cc11c594780a2b74ad2cef7114094813c562d5c87c1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0adf9b6ba370a5d6a240ee992811aa315c10a39dbb0edb89746f7ed683705078
[INFO] running `Command { std: "docker" "start" "-a" "0adf9b6ba370a5d6a240ee992811aa315c10a39dbb0edb89746f7ed683705078", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "0adf9b6ba370a5d6a240ee992811aa315c10a39dbb0edb89746f7ed683705078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0adf9b6ba370a5d6a240ee992811aa315c10a39dbb0edb89746f7ed683705078", kill_on_drop: false }`
[INFO] [stdout] 0adf9b6ba370a5d6a240ee992811aa315c10a39dbb0edb89746f7ed683705078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b13238b1dbff35953c46a244762ba08a9da7bf1d60a0aac58a83bb80b503e7d5
[INFO] running `Command { std: "docker" "start" "-a" "b13238b1dbff35953c46a244762ba08a9da7bf1d60a0aac58a83bb80b503e7d5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "b13238b1dbff35953c46a244762ba08a9da7bf1d60a0aac58a83bb80b503e7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13238b1dbff35953c46a244762ba08a9da7bf1d60a0aac58a83bb80b503e7d5", kill_on_drop: false }`
[INFO] [stdout] b13238b1dbff35953c46a244762ba08a9da7bf1d60a0aac58a83bb80b503e7d5