[INFO] fetching crate ndelement 0.3.0...
[INFO] checking ndelement-0.3.0 against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate ndelement 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ndelement 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ndelement 0.3.0
[INFO] tweaked toml for crates.io crate ndelement 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ndelement 0.3.0 on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ndelement 0.3.0 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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6110ebc6092e34f917f612591780c8385d9b5135d94ac4a638c92425116342b6
[INFO] running `Command { std: "docker" "start" "-a" "6110ebc6092e34f917f612591780c8385d9b5135d94ac4a638c92425116342b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6110ebc6092e34f917f612591780c8385d9b5135d94ac4a638c92425116342b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6110ebc6092e34f917f612591780c8385d9b5135d94ac4a638c92425116342b6", kill_on_drop: false }`
[INFO] [stdout] 6110ebc6092e34f917f612591780c8385d9b5135d94ac4a638c92425116342b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zstrict-projection-item-bounds" "-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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bac4b903a38c408be03a36599dc1d3d4bf49a6d0d1ca32fc2baa14dceeea24b
[INFO] running `Command { std: "docker" "start" "-a" "4bac4b903a38c408be03a36599dc1d3d4bf49a6d0d1ca32fc2baa14dceeea24b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]    Compiling git2 v0.19.0
[INFO] [stderr]    Compiling rlst v0.2.1
[INFO] [stderr]     Checking ndelement v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> src/reference_cell.rs:301:44
[INFO] [stdout]      |
[INFO] [stdout]  301 |         let size = normal.iter().map(|x| x.powi(2)).sum::<T>().sqrt();
[INFO] [stdout]      |                                            ^^^^ multiple `powi` found
[INFO] [stdout]      |
[INFO] [stdout] note: candidate #1 is defined in the trait `RlstScalar`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlst-0.2.1/src/dense/types.rs:148:5
[INFO] [stdout]      |
[INFO] [stdout]  148 |     fn powi(self, n: i32) -> Self;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `num::Float`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/src/float.rs:1348:5
[INFO] [stdout]      |
[INFO] [stdout] 1348 |     fn powi(self, n: i32) -> Self;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout]  301 -         let size = normal.iter().map(|x| x.powi(2)).sum::<T>().sqrt();
[INFO] [stdout]  301 +         let size = normal.iter().map(|x| RlstScalar::powi(x, 2)).sum::<T>().sqrt();
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout]  301 -         let size = normal.iter().map(|x| x.powi(2)).sum::<T>().sqrt();
[INFO] [stdout]  301 +         let size = normal.iter().map(|x| num::Float::powi(x, 2)).sum::<T>().sqrt();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ndelement` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> src/reference_cell.rs:301:44
[INFO] [stdout]      |
[INFO] [stdout]  301 |         let size = normal.iter().map(|x| x.powi(2)).sum::<T>().sqrt();
[INFO] [stdout]      |                                            ^^^^ multiple `powi` found
[INFO] [stdout]      |
[INFO] [stdout] note: candidate #1 is defined in the trait `num::Float`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/src/float.rs:1348:5
[INFO] [stdout]      |
[INFO] [stdout] 1348 |     fn powi(self, n: i32) -> Self;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `rlst::RlstScalar`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlst-0.2.1/src/dense/types.rs:148:5
[INFO] [stdout]      |
[INFO] [stdout]  148 |     fn powi(self, n: i32) -> Self;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout]  301 -         let size = normal.iter().map(|x| x.powi(2)).sum::<T>().sqrt();
[INFO] [stdout]  301 +         let size = normal.iter().map(|x| num::Float::powi(x, 2)).sum::<T>().sqrt();
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout]  301 -         let size = normal.iter().map(|x| x.powi(2)).sum::<T>().sqrt();
[INFO] [stdout]  301 +         let size = normal.iter().map(|x| rlst::RlstScalar::powi(x, 2)).sum::<T>().sqrt();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ndelement` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4bac4b903a38c408be03a36599dc1d3d4bf49a6d0d1ca32fc2baa14dceeea24b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bac4b903a38c408be03a36599dc1d3d4bf49a6d0d1ca32fc2baa14dceeea24b", kill_on_drop: false }`
[INFO] [stdout] 4bac4b903a38c408be03a36599dc1d3d4bf49a6d0d1ca32fc2baa14dceeea24b