[INFO] cloning repository https://github.com/nikandlv/nexon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikandlv/nexon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikandlv%2Fnexon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikandlv%2Fnexon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cc85cc9ff0b672019096500a1df01166baadb2d
[INFO] testing nikandlv/nexon against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikandlv%2Fnexon" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikandlv/nexon on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikandlv/nexon
[INFO] finished tweaking git repo https://github.com/nikandlv/nexon
[INFO] tweaked toml for git repo https://github.com/nikandlv/nexon written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nikandlv/nexon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dd95adea31e3525309f07263b39da2813f3cc026b042b6d14e2fee2c8bade4b
[INFO] running `Command { std: "docker" "start" "-a" "8dd95adea31e3525309f07263b39da2813f3cc026b042b6d14e2fee2c8bade4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd95adea31e3525309f07263b39da2813f3cc026b042b6d14e2fee2c8bade4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd95adea31e3525309f07263b39da2813f3cc026b042b6d14e2fee2c8bade4b", kill_on_drop: false }`
[INFO] [stdout] 8dd95adea31e3525309f07263b39da2813f3cc026b042b6d14e2fee2c8bade4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f06aeee52cbfabec094c43f7dee90051f6d6ea2566066ed23190156b357c9ad0
[INFO] running `Command { std: "docker" "start" "-a" "f06aeee52cbfabec094c43f7dee90051f6d6ea2566066ed23190156b357c9ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling nexon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Some(cmd) => {&cmd.handle(context);},
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Some(cmd) => {let _ = &cmd.handle(context);},
[INFO] [stdout]    |                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `Command { std: "docker" "inspect" "f06aeee52cbfabec094c43f7dee90051f6d6ea2566066ed23190156b357c9ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06aeee52cbfabec094c43f7dee90051f6d6ea2566066ed23190156b357c9ad0", kill_on_drop: false }`
[INFO] [stdout] f06aeee52cbfabec094c43f7dee90051f6d6ea2566066ed23190156b357c9ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05b705485819e72215c59eed19ff00f96e8466c71833846a6d604fd9691ee080
[INFO] running `Command { std: "docker" "start" "-a" "05b705485819e72215c59eed19ff00f96e8466c71833846a6d604fd9691ee080", kill_on_drop: false }`
[INFO] [stderr]    Compiling nexon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Some(cmd) => {&cmd.handle(context);},
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Some(cmd) => {let _ = &cmd.handle(context);},
[INFO] [stdout]    |                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "05b705485819e72215c59eed19ff00f96e8466c71833846a6d604fd9691ee080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b705485819e72215c59eed19ff00f96e8466c71833846a6d604fd9691ee080", kill_on_drop: false }`
[INFO] [stdout] 05b705485819e72215c59eed19ff00f96e8466c71833846a6d604fd9691ee080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd5d715c35e3c45666f3c91fa3309af62026da2a503b5bbb27eab5977f656bb6
[INFO] running `Command { std: "docker" "start" "-a" "dd5d715c35e3c45666f3c91fa3309af62026da2a503b5bbb27eab5977f656bb6", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/main.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Some(cmd) => {&cmd.handle(context);},
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Some(cmd) => {let _ = &cmd.handle(context);},
[INFO] [stderr]    |                       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nexon` (bin "nexon" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nexon-b5f62dd7bac90a8e)
[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" "dd5d715c35e3c45666f3c91fa3309af62026da2a503b5bbb27eab5977f656bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5d715c35e3c45666f3c91fa3309af62026da2a503b5bbb27eab5977f656bb6", kill_on_drop: false }`
[INFO] [stdout] dd5d715c35e3c45666f3c91fa3309af62026da2a503b5bbb27eab5977f656bb6