[INFO] fetching crate floating_bar 0.4.0...
[INFO] checking floating_bar-0.4.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate floating_bar 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate floating_bar 0.4.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate floating_bar 0.4.0
[INFO] finished tweaking crates.io crate floating_bar 0.4.0
[INFO] tweaked toml for crates.io crate floating_bar 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cafc8b55418fc1fdc33b2006dc69f8f36aa372d0c207990f336826a42976a6a
[INFO] running `Command { std: "docker" "start" "-a" "9cafc8b55418fc1fdc33b2006dc69f8f36aa372d0c207990f336826a42976a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cafc8b55418fc1fdc33b2006dc69f8f36aa372d0c207990f336826a42976a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cafc8b55418fc1fdc33b2006dc69f8f36aa372d0c207990f336826a42976a6a", kill_on_drop: false }`
[INFO] [stdout] 9cafc8b55418fc1fdc33b2006dc69f8f36aa372d0c207990f336826a42976a6a
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe5eb2d28cab4cdb451b69d78a43677c25e804400b43fab4c1b9de55521a1380
[INFO] running `Command { std: "docker" "start" "-a" "fe5eb2d28cab4cdb451b69d78a43677c25e804400b43fab4c1b9de55521a1380", kill_on_drop: false }`
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking floating_bar v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `roots`
[INFO] [stdout]    --> src/r64_t.rs:371:8
[INFO] [stdout]     |
[INFO] [stdout] 371 |     #[cfg(feature = "roots")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `bench`, `default`, and `std`
[INFO] [stdout]     = help: consider adding `roots` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot add `r64` to `Option<r64>`
[INFO] [stdout]   --> benches/r64_bench.rs:36:58
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ratios.iter().fold(black_box(r64::new(0, 1)), |a, b| a + *b)
[INFO] [stdout]    |                                                              - ^ -- r64
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              Option<r64>
[INFO] [stdout]    |
[INFO] [stdout] note: the foreign item type `Option<r64>` doesn't implement `Add<r64>`
[INFO] [stdout]   --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/option.rs:572:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: not implement `Add<r64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot add `r32` to `Option<r32>`
[INFO] [stdout]   --> benches/r32_bench.rs:35:58
[INFO] [stdout]    |
[INFO] [stdout] 35 |         ratios.iter().fold(black_box(r32::new(0, 1)), |a, b| a + *b)
[INFO] [stdout]    |                                                              - ^ -- r32
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              Option<r32>
[INFO] [stdout]    |
[INFO] [stdout] note: the foreign item type `Option<r32>` doesn't implement `Add<r32>`
[INFO] [stdout]   --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/option.rs:572:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: not implement `Add<r32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot multiply `Option<r32>` by `r32`
[INFO] [stdout]   --> benches/r32_bench.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 |         ratios.iter().fold(black_box(r32::new(0, 1)), |a, &b| a * b)
[INFO] [stdout]    |                                                               - ^ - r32
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               Option<r32>
[INFO] [stdout]    |
[INFO] [stdout] note: the foreign item type `Option<r32>` doesn't implement `Mul<r32>`
[INFO] [stdout]   --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/option.rs:572:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: not implement `Mul<r32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot multiply `Option<r64>` by `r64`
[INFO] [stdout]   --> benches/r64_bench.rs:56:59
[INFO] [stdout]    |
[INFO] [stdout] 56 |         ratios.iter().fold(black_box(r64::new(0, 1)), |a, &b| a * b)
[INFO] [stdout]    |                                                               - ^ - r64
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               Option<r64>
[INFO] [stdout]    |
[INFO] [stdout] note: the foreign item type `Option<r64>` doesn't implement `Mul<r64>`
[INFO] [stdout]   --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/option.rs:572:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: not implement `Mul<r64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `floating_bar` (bench "r64_bench") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `floating_bar` (bench "r32_bench") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fe5eb2d28cab4cdb451b69d78a43677c25e804400b43fab4c1b9de55521a1380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5eb2d28cab4cdb451b69d78a43677c25e804400b43fab4c1b9de55521a1380", kill_on_drop: false }`
[INFO] [stdout] fe5eb2d28cab4cdb451b69d78a43677c25e804400b43fab4c1b9de55521a1380
