[INFO] cloning repository https://github.com/Simon-Bertrand/NumRu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Simon-Bertrand/NumRu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimon-Bertrand%2FNumRu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimon-Bertrand%2FNumRu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86f752a8a46d0198d28992ad70bb9676fa15d1c2
[INFO] checking Simon-Bertrand/NumRu against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimon-Bertrand%2FNumRu" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Simon-Bertrand/NumRu on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Simon-Bertrand/NumRu
[INFO] finished tweaking git repo https://github.com/Simon-Bertrand/NumRu
[INFO] tweaked toml for git repo https://github.com/Simon-Bertrand/NumRu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Simon-Bertrand/NumRu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 350d60fbf1f0b4841bffc9cd29e735547ae84085bb1bb710a290b737faeee6a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "350d60fbf1f0b4841bffc9cd29e735547ae84085bb1bb710a290b737faeee6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "350d60fbf1f0b4841bffc9cd29e735547ae84085bb1bb710a290b737faeee6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350d60fbf1f0b4841bffc9cd29e735547ae84085bb1bb710a290b737faeee6a6", kill_on_drop: false }`
[INFO] [stdout] 350d60fbf1f0b4841bffc9cd29e735547ae84085bb1bb710a290b737faeee6a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e52ee230275982ac87083ba9a87b6d4a756c603c2981ee9f55838f39f576eeaf
[INFO] running `Command { std: "docker" "start" "-a" "e52ee230275982ac87083ba9a87b6d4a756c603c2981ee9f55838f39f576eeaf", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking numru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/matrix/constructors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matvector::MatVector`
[INFO] [stdout]  --> src/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use matvector::MatVector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/matrix/constructors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matvector::MatVector`
[INFO] [stdout]  --> src/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use matvector::MatVector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0221]: ambiguous associated type `Output` in bounds of `T`
[INFO] [stdout]   --> src/matrix/matrix.rs:93:37
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let mut s : T::Output;
[INFO] [stdout]    |                                     ^^^^^^^^^ ambiguous associated type `Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: associated type `T` could derive from `Mul`
[INFO] [stdout]    = note: associated type `T` could derive from `Add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot add `<T as Mul>::Output` to `<T as Mul>::Output`
[INFO] [stdout]   --> src/matrix/matrix.rs:95:35
[INFO] [stdout]    |
[INFO] [stdout] 95 | ... = s + self.values.chunks(self.shape.1 as usize).nth(0).expect("")[0] * m.values.chunks(m.shape.1 as usize).nth(0).expect("")[0]
[INFO] [stdout]    |       - ^ ------------------------------------------------------------------------------------------------------------------------- <T as Mul>::Output
[INFO] [stdout]    |       |
[INFO] [stdout]    |       <T as Mul>::Output
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0221]: ambiguous associated type `Output` in bounds of `T`
[INFO] [stdout]   --> src/matrix/matrix.rs:93:37
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let mut s : T::Output;
[INFO] [stdout]    |                                     ^^^^^^^^^ ambiguous associated type `Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: associated type `T` could derive from `Mul`
[INFO] [stdout]    = note: associated type `T` could derive from `Add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot add `<T as Mul>::Output` to `<T as Mul>::Output`
[INFO] [stdout]   --> src/matrix/matrix.rs:95:35
[INFO] [stdout]    |
[INFO] [stdout] 95 | ... = s + self.values.chunks(self.shape.1 as usize).nth(0).expect("")[0] * m.values.chunks(m.shape.1 as usize).nth(0).expect("")[0]
[INFO] [stdout]    |       - ^ ------------------------------------------------------------------------------------------------------------------------- <T as Mul>::Output
[INFO] [stdout]    |       |
[INFO] [stdout]    |       <T as Mul>::Output
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/matrix/matrix.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<T : Mul + Add> Matrix<T> {
[INFO] [stdout]    |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 96 |                         } s
[INFO] [stdout]    |                           ^ expected type parameter `T`, found associated type
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]              found associated type `<T as Mul>::Output`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<T : Mul + Add + Mul<Output = T>> Matrix<T> {
[INFO] [stdout]    |                    +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/matrix/matrix.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<T : Mul + Add> Matrix<T> {
[INFO] [stdout]    |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 96 |                         } s
[INFO] [stdout]    |                           ^ expected type parameter `T`, found associated type
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]              found associated type `<T as Mul>::Output`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<T : Mul + Add + Mul<Output = T>> Matrix<T> {
[INFO] [stdout]    |                    +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0221, E0308, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0221`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0221, E0308, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0221`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `numru` due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e52ee230275982ac87083ba9a87b6d4a756c603c2981ee9f55838f39f576eeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52ee230275982ac87083ba9a87b6d4a756c603c2981ee9f55838f39f576eeaf", kill_on_drop: false }`
[INFO] [stdout] e52ee230275982ac87083ba9a87b6d4a756c603c2981ee9f55838f39f576eeaf