[INFO] cloning repository https://github.com/shiftdevy/nne
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shiftdevy/nne" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiftdevy%2Fnne", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiftdevy%2Fnne'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 314edca3fadae51565f6f1247799d856e69e87e7
[INFO] checking shiftdevy/nne against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiftdevy%2Fnne" "/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/shiftdevy/nne on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shiftdevy/nne
[INFO] finished tweaking git repo https://github.com/shiftdevy/nne
[INFO] tweaked toml for git repo https://github.com/shiftdevy/nne written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/shiftdevy/nne already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded parking_lot_core v0.8.1
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded crossterm v0.18.2
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", 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] 73af5dd6f20c377e475da96144fd283c9d6329451a49ffb04842d7b089eca4f7
[INFO] running `Command { std: "docker" "start" "-a" "73af5dd6f20c377e475da96144fd283c9d6329451a49ffb04842d7b089eca4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73af5dd6f20c377e475da96144fd283c9d6329451a49ffb04842d7b089eca4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73af5dd6f20c377e475da96144fd283c9d6329451a49ffb04842d7b089eca4f7", kill_on_drop: false }`
[INFO] [stdout] 73af5dd6f20c377e475da96144fd283c9d6329451a49ffb04842d7b089eca4f7
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] 286fd5bc4b04c52b19e1724a3c84bad038d887a76a0a5b1ecb361e1f3d323db8
[INFO] running `Command { std: "docker" "start" "-a" "286fd5bc4b04c52b19e1724a3c84bad038d887a76a0a5b1ecb361e1f3d323db8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking nne_core v0.1.0 (/opt/rustwide/workdir/nne_core)
[INFO] [stdout] warning: unused import: `super::open`
[INFO] [stdout]  --> nne_core/src/fs/write.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::open;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking nne_editor v0.1.0 (/opt/rustwide/workdir/nne_editor)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> nne_editor/src/main.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 execute!(stdout, Clear(ClearType::All), Print(nne_core::fs::open::list_file_content(&args[1])));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> nne_editor/src/main.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 execute!(stdout, Clear(ClearType::All), Print(nne_core::fs::open::list_file_content(&args[1])));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "286fd5bc4b04c52b19e1724a3c84bad038d887a76a0a5b1ecb361e1f3d323db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286fd5bc4b04c52b19e1724a3c84bad038d887a76a0a5b1ecb361e1f3d323db8", kill_on_drop: false }`
[INFO] [stdout] 286fd5bc4b04c52b19e1724a3c84bad038d887a76a0a5b1ecb361e1f3d323db8