[INFO] cloning repository https://github.com/clauer23/rust-linear-algebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clauer23/rust-linear-algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclauer23%2Frust-linear-algebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclauer23%2Frust-linear-algebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffbd0ed3a103acc5c7fb38c134cccd2b1e15b941
[INFO] checking clauer23/rust-linear-algebra against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclauer23%2Frust-linear-algebra" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clauer23/rust-linear-algebra on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clauer23/rust-linear-algebra
[INFO] finished tweaking git repo https://github.com/clauer23/rust-linear-algebra
[INFO] tweaked toml for git repo https://github.com/clauer23/rust-linear-algebra written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/clauer23/rust-linear-algebra 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4fdb7d5e268aac123df132d74423be24e83f007c4ffdd4e459a9696feaf32ca
[INFO] running `Command { std: "docker" "start" "-a" "c4fdb7d5e268aac123df132d74423be24e83f007c4ffdd4e459a9696feaf32ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4fdb7d5e268aac123df132d74423be24e83f007c4ffdd4e459a9696feaf32ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4fdb7d5e268aac123df132d74423be24e83f007c4ffdd4e459a9696feaf32ca", kill_on_drop: false }`
[INFO] [stdout] c4fdb7d5e268aac123df132d74423be24e83f007c4ffdd4e459a9696feaf32ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2bf57a1d71128f4a3e705e48b2500158d81a5cbaf7f7b2d021fa2603e06e3e1
[INFO] running `Command { std: "docker" "start" "-a" "b2bf57a1d71128f4a3e705e48b2500158d81a5cbaf7f7b2d021fa2603e06e3e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking linear-algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = cmp(1, 2);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = cmp(1, 2);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex32` is never used
[INFO] [stdout]   --> src/complex.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Complex32 = Complex<f32>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex32` is never used
[INFO] [stdout]   --> src/complex.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Complex32 = Complex<f32>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex64` is never used
[INFO] [stdout]   --> src/complex.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type Complex64 = Complex<f64>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex64` is never used
[INFO] [stdout]   --> src/complex.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type Complex64 = Complex<f64>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `i` is never used
[INFO] [stdout]   --> src/complex.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T: Clone + Num> Complex<T>{
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn i() -> Self {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `i` is never used
[INFO] [stdout]   --> src/complex.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T: Clone + Num> Complex<T>{
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn i() -> Self {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "b2bf57a1d71128f4a3e705e48b2500158d81a5cbaf7f7b2d021fa2603e06e3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bf57a1d71128f4a3e705e48b2500158d81a5cbaf7f7b2d021fa2603e06e3e1", kill_on_drop: false }`
[INFO] [stdout] b2bf57a1d71128f4a3e705e48b2500158d81a5cbaf7f7b2d021fa2603e06e3e1
[INFO] checking clauer23/rust-linear-algebra against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclauer23%2Frust-linear-algebra" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clauer23/rust-linear-algebra on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clauer23/rust-linear-algebra
[INFO] finished tweaking git repo https://github.com/clauer23/rust-linear-algebra
[INFO] tweaked toml for git repo https://github.com/clauer23/rust-linear-algebra written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/clauer23/rust-linear-algebra 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 486c51e7991766518d611201403e7060c466767c57ded1b23221238e27599296
[INFO] running `Command { std: "docker" "start" "-a" "486c51e7991766518d611201403e7060c466767c57ded1b23221238e27599296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "486c51e7991766518d611201403e7060c466767c57ded1b23221238e27599296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486c51e7991766518d611201403e7060c466767c57ded1b23221238e27599296", kill_on_drop: false }`
[INFO] [stdout] 486c51e7991766518d611201403e7060c466767c57ded1b23221238e27599296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e4928d12721edc3c65f19e51a29296d0d16742e9a629902c7f302d27c8f497
[INFO] running `Command { std: "docker" "start" "-a" "b6e4928d12721edc3c65f19e51a29296d0d16742e9a629902c7f302d27c8f497", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking linear-algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = cmp(1, 2);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex32` is never used
[INFO] [stdout]   --> src/complex.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Complex32 = Complex<f32>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex64` is never used
[INFO] [stdout]   --> src/complex.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type Complex64 = Complex<f64>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `i` is never used
[INFO] [stdout]   --> src/complex.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T: Clone + Num> Complex<T>{
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn i() -> Self {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = cmp(1, 2);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex32` is never used
[INFO] [stdout]   --> src/complex.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Complex32 = Complex<f32>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Complex64` is never used
[INFO] [stdout]   --> src/complex.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type Complex64 = Complex<f64>;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `i` is never used
[INFO] [stdout]   --> src/complex.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T: Clone + Num> Complex<T>{
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn i() -> Self {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "b6e4928d12721edc3c65f19e51a29296d0d16742e9a629902c7f302d27c8f497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e4928d12721edc3c65f19e51a29296d0d16742e9a629902c7f302d27c8f497", kill_on_drop: false }`
[INFO] [stdout] b6e4928d12721edc3c65f19e51a29296d0d16742e9a629902c7f302d27c8f497