[INFO] fetching crate reductor 0.0.12...
[INFO] checking reductor-0.0.12 against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] extracting crate reductor 0.0.12 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate reductor 0.0.12
[INFO] finished tweaking crates.io crate reductor 0.0.12
[INFO] tweaked toml for crates.io crate reductor 0.0.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reductor 0.0.12 on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86d7b06f242e75c04f6bdf2817be79c8fa58c1aa0f7afd363fe2ecb865b11aa1
[INFO] running `Command { std: "docker" "start" "-a" "86d7b06f242e75c04f6bdf2817be79c8fa58c1aa0f7afd363fe2ecb865b11aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d7b06f242e75c04f6bdf2817be79c8fa58c1aa0f7afd363fe2ecb865b11aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d7b06f242e75c04f6bdf2817be79c8fa58c1aa0f7afd363fe2ecb865b11aa1", kill_on_drop: false }`
[INFO] [stdout] 86d7b06f242e75c04f6bdf2817be79c8fa58c1aa0f7afd363fe2ecb865b11aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c176988340a28a9a539953b701594922bd252d921e9af71ef59253a1fcbdd0
[INFO] running `Command { std: "docker" "start" "-a" "31c176988340a28a9a539953b701594922bd252d921e9af71ef59253a1fcbdd0", kill_on_drop: false }`
[INFO] [stderr]     Checking reductor v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/reductors/mean.rs:69:41
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let Mean::<$f>(mean) = [0.48, 3., 2.64]
[INFO] [stdout]    |                                         ^^^^ help: explicitly specify the type as `f32`: `0.48_f32`
[INFO] [stdout] ...
[INFO] [stdout] 77 |         test!(f32);
[INFO] [stdout]    |         ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/reductors/mean.rs:69:47
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let Mean::<$f>(mean) = [0.48, 3., 2.64]
[INFO] [stdout]    |                                               ^^ help: explicitly specify the type as `f32`: `3._f32`
[INFO] [stdout] ...
[INFO] [stdout] 77 |         test!(f32);
[INFO] [stdout]    |         ---------- in this macro invocation
[INFO] [stdout]    |
[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]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: this warning originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/reductors/mean.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let Mean::<$f>(mean) = [0.48, 3., 2.64]
[INFO] [stdout]    |                                                   ^^^^ help: explicitly specify the type as `f32`: `2.64_f32`
[INFO] [stdout] ...
[INFO] [stdout] 77 |         test!(f32);
[INFO] [stdout]    |         ---------- in this macro invocation
[INFO] [stdout]    |
[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]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: this warning originates in the macro `test` (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 0.31s
[INFO] running `Command { std: "docker" "inspect" "31c176988340a28a9a539953b701594922bd252d921e9af71ef59253a1fcbdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c176988340a28a9a539953b701594922bd252d921e9af71ef59253a1fcbdd0", kill_on_drop: false }`
[INFO] [stdout] 31c176988340a28a9a539953b701594922bd252d921e9af71ef59253a1fcbdd0
