[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 beta-2022-04-10 for beta-1.61-1 [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-113/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-113/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" "+beta-2022-04-10" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d606e9e5de02737204828036396a75408f17704666e38a81b9b69eba883fb803 [INFO] running `Command { std: "docker" "start" "-a" "d606e9e5de02737204828036396a75408f17704666e38a81b9b69eba883fb803", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d606e9e5de02737204828036396a75408f17704666e38a81b9b69eba883fb803", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d606e9e5de02737204828036396a75408f17704666e38a81b9b69eba883fb803", kill_on_drop: false }` [INFO] [stdout] d606e9e5de02737204828036396a75408f17704666e38a81b9b69eba883fb803 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4156e50f6cf988deeee789d8592705675f01e6aca0c0bc7b4d33b79a637787f2 [INFO] running `Command { std: "docker" "start" "-a" "4156e50f6cf988deeee789d8592705675f01e6aca0c0bc7b4d33b79a637787f2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 - fn get_data() -> Result> { [INFO] [stdout] 66 + fn get_data() -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.81s [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] note: `Set` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Copy, Clone, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `image` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | image: Matrix, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Digit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `label` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | label: u8 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Digit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4156e50f6cf988deeee789d8592705675f01e6aca0c0bc7b4d33b79a637787f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4156e50f6cf988deeee789d8592705675f01e6aca0c0bc7b4d33b79a637787f2", kill_on_drop: false }` [INFO] [stdout] 4156e50f6cf988deeee789d8592705675f01e6aca0c0bc7b4d33b79a637787f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79bf3eedd8226a49a4ac964e55a53f507bdeb40948a237a86445b08b44864f2d [INFO] running `Command { std: "docker" "start" "-a" "79bf3eedd8226a49a4ac964e55a53f507bdeb40948a237a86445b08b44864f2d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 - fn get_data() -> Result> { [INFO] [stdout] 66 + fn get_data() -> Result> { [INFO] [stdout] | [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] note: `Set` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, Copy, Clone, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `image` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | image: Matrix, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Digit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `label` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | label: u8 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Digit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.21s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/machine_numeral_identification_and_sorting_task-cda50bb5fd1d3ad8) [INFO] running `Command { std: "docker" "inspect" "79bf3eedd8226a49a4ac964e55a53f507bdeb40948a237a86445b08b44864f2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79bf3eedd8226a49a4ac964e55a53f507bdeb40948a237a86445b08b44864f2d", kill_on_drop: false }` [INFO] [stdout] 79bf3eedd8226a49a4ac964e55a53f507bdeb40948a237a86445b08b44864f2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e7b5928cad5235a72ad71c72db1284dccacb5e67a7c1df281ce5332d492674f3 [INFO] running `Command { std: "docker" "start" "-a" "e7b5928cad5235a72ad71c72db1284dccacb5e67a7c1df281ce5332d492674f3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "e7b5928cad5235a72ad71c72db1284dccacb5e67a7c1df281ce5332d492674f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7b5928cad5235a72ad71c72db1284dccacb5e67a7c1df281ce5332d492674f3", kill_on_drop: false }` [INFO] [stdout] e7b5928cad5235a72ad71c72db1284dccacb5e67a7c1df281ce5332d492674f3