[INFO] cloning repository https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FMachine_Numeral_Identification_and_Sorting_Task", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FMachine_Numeral_Identification_and_Sorting_Task'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a36781151295907c21ced7f21948de7e008d5346 [INFO] checking zackmdavis/Machine_Numeral_Identification_and_Sorting_Task against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FMachine_Numeral_Identification_and_Sorting_Task" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] finished tweaking git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] tweaked toml for git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num v0.1.41 [INFO] [stderr] Downloaded matrixmultiply v0.1.14 [INFO] [stderr] Downloaded rawpointer v0.1.0 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.2.0 [INFO] [stderr] Downloaded num-iter v0.1.34 [INFO] [stderr] Downloaded num-traits v0.1.41 [INFO] [stderr] Downloaded rulinalg v0.3.7 [INFO] [stderr] Downloaded mnist v0.4.0 [INFO] [stderr] Downloaded byteorder v1.2.1 [INFO] [stderr] Downloaded rusty-machine v0.5.4 [INFO] [stderr] Downloaded rand v0.3.18 [INFO] [stderr] Downloaded bitflags v0.7.0 [INFO] [stderr] Downloaded fuchsia-zircon v0.2.1 [INFO] [stderr] Downloaded num-integer v0.1.35 [INFO] [stderr] Downloaded libc v0.2.34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc7e0c09ee73038380e87c951021879c9a0d02e59a94550f92d45e4d971a1ae0 [INFO] running `Command { std: "docker" "start" "-a" "dc7e0c09ee73038380e87c951021879c9a0d02e59a94550f92d45e4d971a1ae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc7e0c09ee73038380e87c951021879c9a0d02e59a94550f92d45e4d971a1ae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc7e0c09ee73038380e87c951021879c9a0d02e59a94550f92d45e4d971a1ae0", kill_on_drop: false }` [INFO] [stdout] dc7e0c09ee73038380e87c951021879c9a0d02e59a94550f92d45e4d971a1ae0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1100ba3bb9344eb3d7a5a7ee43aae65c304e10a062f94f509c0ab9a13ff591b1 [INFO] running `Command { std: "docker" "start" "-a" "1100ba3bb9344eb3d7a5a7ee43aae65c304e10a062f94f509c0ab9a13ff591b1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Compiling matrixmultiply v0.1.14 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Checking rand v0.3.18 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Checking rulinalg v0.3.7 [INFO] [stderr] Checking rusty-machine v0.5.4 [INFO] [stderr] Checking machine_numeral_identification_and_sorting_task v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 66 | fn get_data() -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 | fn get_data() -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 66 | fn get_data() -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 | fn get_data() -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Test` is never constructed [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 16 | enum Set { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | Test [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Set` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Digit` is never constructed [INFO] [stdout] --> src/main.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Digit { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `digit` is never used [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl MnistData { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 31 | fn digit(&self, set: Set, index: usize) -> Digit { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Test` is never constructed [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 16 | enum Set { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | Test [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Set` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Digit` is never constructed [INFO] [stdout] --> src/main.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Digit { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `digit` is never used [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl MnistData { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 31 | fn digit(&self, set: Set, index: usize) -> Digit { [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 1.22s [INFO] running `Command { std: "docker" "inspect" "1100ba3bb9344eb3d7a5a7ee43aae65c304e10a062f94f509c0ab9a13ff591b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1100ba3bb9344eb3d7a5a7ee43aae65c304e10a062f94f509c0ab9a13ff591b1", kill_on_drop: false }` [INFO] [stdout] 1100ba3bb9344eb3d7a5a7ee43aae65c304e10a062f94f509c0ab9a13ff591b1 [INFO] checking zackmdavis/Machine_Numeral_Identification_and_Sorting_Task against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FMachine_Numeral_Identification_and_Sorting_Task" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] finished tweaking git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] tweaked toml for git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task 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" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0431bdcf44ff4513d09695033998ee65feb11fe5daf7f214028c27d1e914f1a4 [INFO] running `Command { std: "docker" "start" "-a" "0431bdcf44ff4513d09695033998ee65feb11fe5daf7f214028c27d1e914f1a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0431bdcf44ff4513d09695033998ee65feb11fe5daf7f214028c27d1e914f1a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0431bdcf44ff4513d09695033998ee65feb11fe5daf7f214028c27d1e914f1a4", kill_on_drop: false }` [INFO] [stdout] 0431bdcf44ff4513d09695033998ee65feb11fe5daf7f214028c27d1e914f1a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74de215f220137036b8e41c5d121d2586b3e40c790a62baa82ffe5c56e5f2d84 [INFO] running `Command { std: "docker" "start" "-a" "74de215f220137036b8e41c5d121d2586b3e40c790a62baa82ffe5c56e5f2d84", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Compiling matrixmultiply v0.1.14 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.1.41/src/lib.rs:308:54 [INFO] [stdout] | [INFO] [stdout] 308 | (true, Ok(exp)) => base.powi(exp as i32), [INFO] [stdout] | ^^^^ multiple `powi` found [INFO] [stdout] ... [INFO] [stdout] 321 | float_trait_impl!(Num for f32 f64); [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl for the type `f128` [INFO] [stdout] = note: candidate #2 is defined in an impl for the type `f16` [INFO] [stdout] = note: candidate #3 is defined in an impl for the type `f32` [INFO] [stdout] = note: candidate #4 is defined in an impl for the type `f64` [INFO] [stdout] = note: this error originates in the macro `float_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.1.41/src/lib.rs:309:60 [INFO] [stdout] | [INFO] [stdout] 309 | (false, Ok(exp)) => 1.0 / base.powi(exp as i32), [INFO] [stdout] | ^^^^ multiple `powi` found [INFO] [stdout] ... [INFO] [stdout] 321 | float_trait_impl!(Num for f32 f64); [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl for the type `f128` [INFO] [stdout] = note: candidate #2 is defined in an impl for the type `f16` [INFO] [stdout] = note: candidate #3 is defined in an impl for the type `f32` [INFO] [stdout] = note: candidate #4 is defined in an impl for the type `f64` [INFO] [stdout] = note: this error originates in the macro `float_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] Checking rand v0.3.18 [INFO] [stderr] error: could not compile `num-traits` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "74de215f220137036b8e41c5d121d2586b3e40c790a62baa82ffe5c56e5f2d84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74de215f220137036b8e41c5d121d2586b3e40c790a62baa82ffe5c56e5f2d84", kill_on_drop: false }` [INFO] [stdout] 74de215f220137036b8e41c5d121d2586b3e40c790a62baa82ffe5c56e5f2d84