[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] testing zackmdavis/Machine_Numeral_Identification_and_Sorting_Task against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [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-80/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-80/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: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef9690a6a036550e2bba0bef12e6182fd89cb359974592a565c509e55b823caa [INFO] running `Command { std: "docker" "start" "-a" "ef9690a6a036550e2bba0bef12e6182fd89cb359974592a565c509e55b823caa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef9690a6a036550e2bba0bef12e6182fd89cb359974592a565c509e55b823caa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef9690a6a036550e2bba0bef12e6182fd89cb359974592a565c509e55b823caa", kill_on_drop: false }` [INFO] [stdout] ef9690a6a036550e2bba0bef12e6182fd89cb359974592a565c509e55b823caa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27b4a480b1d54d5f732b64895ef43f1da0a257ec66e1d75fd88798f95386a649 [INFO] running `Command { std: "docker" "start" "-a" "27b4a480b1d54d5f732b64895ef43f1da0a257ec66e1d75fd88798f95386a649", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling matrixmultiply v0.1.14 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling mnist v0.4.0 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling rulinalg v0.3.7 [INFO] [stderr] Compiling rusty-machine v0.5.4 [INFO] [stderr] Compiling 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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Test` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Test [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `digit` [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn digit(&self, set: Set, index: usize) -> Digit { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.66s [INFO] running `Command { std: "docker" "inspect" "27b4a480b1d54d5f732b64895ef43f1da0a257ec66e1d75fd88798f95386a649", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27b4a480b1d54d5f732b64895ef43f1da0a257ec66e1d75fd88798f95386a649", kill_on_drop: false }` [INFO] [stdout] 27b4a480b1d54d5f732b64895ef43f1da0a257ec66e1d75fd88798f95386a649 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 192211d81bb85b5bcd01001ba6f8b78e8d228f66fb7872d18d116eaacee060d2 [INFO] running `Command { std: "docker" "start" "-a" "192211d81bb85b5bcd01001ba6f8b78e8d228f66fb7872d18d116eaacee060d2", kill_on_drop: false }` [INFO] [stderr] Compiling 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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Test` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Test [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `digit` [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn digit(&self, set: Set, index: usize) -> Digit { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "192211d81bb85b5bcd01001ba6f8b78e8d228f66fb7872d18d116eaacee060d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "192211d81bb85b5bcd01001ba6f8b78e8d228f66fb7872d18d116eaacee060d2", kill_on_drop: false }` [INFO] [stdout] 192211d81bb85b5bcd01001ba6f8b78e8d228f66fb7872d18d116eaacee060d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7dd5bf95ec3d8f0aa97900b5fc5a86ce2d685f251681aacab72d19fd8b9198a7 [INFO] running `Command { std: "docker" "start" "-a" "7dd5bf95ec3d8f0aa97900b5fc5a86ce2d685f251681aacab72d19fd8b9198a7", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:66:40 [INFO] [stderr] | [INFO] [stderr] 66 | fn get_data() -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Test` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Test [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `digit` [INFO] [stderr] --> src/main.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 31 | fn digit(&self, set: Set, index: usize) -> Digit { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `machine_numeral_identification_and_sorting_task` (bin "machine_numeral_identification_and_sorting_task" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/machine_numeral_identification_and_sorting_task-c083067fcb96df72) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7dd5bf95ec3d8f0aa97900b5fc5a86ce2d685f251681aacab72d19fd8b9198a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dd5bf95ec3d8f0aa97900b5fc5a86ce2d685f251681aacab72d19fd8b9198a7", kill_on_drop: false }` [INFO] [stdout] 7dd5bf95ec3d8f0aa97900b5fc5a86ce2d685f251681aacab72d19fd8b9198a7