[INFO] fetching crate reductor 0.0.10...
[INFO] checking reductor-0.0.10 against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] extracting crate reductor 0.0.10 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate reductor 0.0.10 on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reductor 0.0.10
[INFO] finished tweaking crates.io crate reductor 0.0.10
[INFO] tweaked toml for crates.io crate reductor 0.0.10 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" "+aa067fb984d36462548bb785da221bfaf38253f0" "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" "+aa067fb984d36462548bb785da221bfaf38253f0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ee7921611e0811225d410cd9c4b121b76f7e2cc00516ac3840c2d422ec261b7
[INFO] running `Command { std: "docker" "start" "-a" "9ee7921611e0811225d410cd9c4b121b76f7e2cc00516ac3840c2d422ec261b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ee7921611e0811225d410cd9c4b121b76f7e2cc00516ac3840c2d422ec261b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee7921611e0811225d410cd9c4b121b76f7e2cc00516ac3840c2d422ec261b7", kill_on_drop: false }`
[INFO] [stdout] 9ee7921611e0811225d410cd9c4b121b76f7e2cc00516ac3840c2d422ec261b7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bde2ce1033ac435a235ca5e3711e6334ecbeea30e666012846d7fb3fb7da8f49
[INFO] running `Command { std: "docker" "start" "-a" "bde2ce1033ac435a235ca5e3711e6334ecbeea30e666012846d7fb3fb7da8f49", kill_on_drop: false }`
[INFO] [stderr]     Checking reductor v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/reductors/count.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, num::NonZeroUsize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/aa067fb984d36462548bb785da221bfaf38253f0/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/reductors/count.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, num::NonZeroUsize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/aa067fb984d36462548bb785da221bfaf38253f0/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "bde2ce1033ac435a235ca5e3711e6334ecbeea30e666012846d7fb3fb7da8f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde2ce1033ac435a235ca5e3711e6334ecbeea30e666012846d7fb3fb7da8f49", kill_on_drop: false }`
[INFO] [stdout] bde2ce1033ac435a235ca5e3711e6334ecbeea30e666012846d7fb3fb7da8f49
[INFO] checking reductor-0.0.10 against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] extracting crate reductor 0.0.10 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate reductor 0.0.10 on toolchain 707d6562f55b55a7aab4ab3a904997116b358314
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reductor 0.0.10
[INFO] finished tweaking crates.io crate reductor 0.0.10
[INFO] tweaked toml for crates.io crate reductor 0.0.10 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "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" "+707d6562f55b55a7aab4ab3a904997116b358314" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc04cc404429ec9e83ef32a900fbb6d49957200576e9328575070b0ad2cb3045
[INFO] running `Command { std: "docker" "start" "-a" "fc04cc404429ec9e83ef32a900fbb6d49957200576e9328575070b0ad2cb3045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc04cc404429ec9e83ef32a900fbb6d49957200576e9328575070b0ad2cb3045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc04cc404429ec9e83ef32a900fbb6d49957200576e9328575070b0ad2cb3045", kill_on_drop: false }`
[INFO] [stdout] fc04cc404429ec9e83ef32a900fbb6d49957200576e9328575070b0ad2cb3045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95feb0eab1e2cebb0d37a1ac253d94a7243ca583d4cc4c1e46f80b348531fad0
[INFO] running `Command { std: "docker" "start" "-a" "95feb0eab1e2cebb0d37a1ac253d94a7243ca583d4cc4c1e46f80b348531fad0", kill_on_drop: false }`
[INFO] [stderr]     Checking reductor v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/reductors/count.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, num::NonZeroUsize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/707d6562f55b55a7aab4ab3a904997116b358314/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/reductors/count.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, num::NonZeroUsize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/707d6562f55b55a7aab4ab3a904997116b358314/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/reductors/mean.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     .reduce_with::<Option<_>>()
[INFO] [stdout]    |                      ^^^^^^^^^^^ the trait `From<f64>` is not implemented for `f32`, which is required by `Option<_>: reductor::Reductor<{float}>`
[INFO] [stdout] ...
[INFO] [stdout] 77 |         test!(f32);
[INFO] [stdout]    |         ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <f32 as From<bool>>
[INFO] [stdout]              <f32 as From<f16>>
[INFO] [stdout]              <f32 as From<i16>>
[INFO] [stdout]              <f32 as From<i8>>
[INFO] [stdout]              <f32 as From<u16>>
[INFO] [stdout]              <f32 as From<u8>>
[INFO] [stdout]    = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `mean::Mean<f32>` to implement `reductor::Reductor<f64>`
[INFO] [stdout]   --> src/reductors/mean.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         impl<T> Reductor<T> for Mean<$f>
[INFO] [stdout]    |                 ^^^^^^^^^^^     ^^^^^^^^
[INFO] [stdout] 30 |         where
[INFO] [stdout] 31 |             T: Into<$f>,
[INFO] [stdout]    |                -------- unsatisfied trait bound introduced here
[INFO] [stdout] ...
[INFO] [stdout] 56 | impl_mean!(f32);
[INFO] [stdout]    | --------------- in this macro invocation
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `Option<mean::Mean<f32>>` to implement `reductor::Reductor<f64>`
[INFO] [stdout]    = note: this error originates in the macro `test` which comes from the expansion of the macro `impl_mean` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reductor` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "95feb0eab1e2cebb0d37a1ac253d94a7243ca583d4cc4c1e46f80b348531fad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95feb0eab1e2cebb0d37a1ac253d94a7243ca583d4cc4c1e46f80b348531fad0", kill_on_drop: false }`
[INFO] [stdout] 95feb0eab1e2cebb0d37a1ac253d94a7243ca583d4cc4c1e46f80b348531fad0