[INFO] updating cached repository https://github.com/mariusdanciu/rust_nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/mariusdanciu/rust_nn
[INFO] [stderr]    0bddecc..846a412  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 846a4127c9ca6d21e0ac3d7d6ea81af411309201
[INFO] checking mariusdanciu/rust_nn against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mariusdanciu/rust_nn on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mariusdanciu/rust_nn
[INFO] finished tweaking git repo https://github.com/mariusdanciu/rust_nn
[INFO] tweaked toml for git repo https://github.com/mariusdanciu/rust_nn written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mariusdanciu/rust_nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f6de976d9f53e645fa2e100b8644a3200c8c577860f4cd1f18397092dd78288
[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" "3f6de976d9f53e645fa2e100b8644a3200c8c577860f4cd1f18397092dd78288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f6de976d9f53e645fa2e100b8644a3200c8c577860f4cd1f18397092dd78288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6de976d9f53e645fa2e100b8644a3200c8c577860f4cd1f18397092dd78288", kill_on_drop: false }`
[INFO] [stdout] 3f6de976d9f53e645fa2e100b8644a3200c8c577860f4cd1f18397092dd78288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 414161698b8418ac9b3b10a3508f8ac145392810f6fd9227d61524e2e61115f1
[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" "414161698b8418ac9b3b10a3508f8ac145392810f6fd9227d61524e2e61115f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]     Checking nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/defs.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:169:29
[INFO] [stdout]     |
[INFO] [stdout] 169 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:669:6
[INFO] [stdout]     |
[INFO] [stdout] 669 | impl ModelLoad {
[INFO] [stdout]     |      ^^^^^^^^^ help: use `dyn`: `dyn ModelLoad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/defs.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:169:29
[INFO] [stdout]     |
[INFO] [stdout] 169 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:669:6
[INFO] [stdout]     |
[INFO] [stdout] 669 | impl ModelLoad {
[INFO] [stdout]     |      ^^^^^^^^^ help: use `dyn`: `dyn ModelLoad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "414161698b8418ac9b3b10a3508f8ac145392810f6fd9227d61524e2e61115f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414161698b8418ac9b3b10a3508f8ac145392810f6fd9227d61524e2e61115f1", kill_on_drop: false }`
[INFO] [stdout] 414161698b8418ac9b3b10a3508f8ac145392810f6fd9227d61524e2e61115f1