[INFO] cloning repository https://github.com/VictorKoenders/irc_discord_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VictorKoenders/irc_discord_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Firc_discord_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Firc_discord_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97a5a12a11f8e5368b0ecd6d6251cf8e574af627
[INFO] testing VictorKoenders/irc_discord_client against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Firc_discord_client" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VictorKoenders/irc_discord_client on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VictorKoenders/irc_discord_client
[INFO] finished tweaking git repo https://github.com/VictorKoenders/irc_discord_client
[INFO] tweaked toml for git repo https://github.com/VictorKoenders/irc_discord_client written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/VictorKoenders/irc_discord_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc20767f21aaaa383e3365eca97e429984e8fafe66f7cd0769dc95516f25fbb5
[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" "bc20767f21aaaa383e3365eca97e429984e8fafe66f7cd0769dc95516f25fbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc20767f21aaaa383e3365eca97e429984e8fafe66f7cd0769dc95516f25fbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc20767f21aaaa383e3365eca97e429984e8fafe66f7cd0769dc95516f25fbb5", kill_on_drop: false }`
[INFO] [stdout] bc20767f21aaaa383e3365eca97e429984e8fafe66f7cd0769dc95516f25fbb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 6c05374998c1a371fdf0c7d50c6dc22aab291a243baf4646f62f899fcb5d4b2d
[INFO] running `Command { std: "docker" "start" "-a" "6c05374998c1a371fdf0c7d50c6dc22aab291a243baf4646f62f899fcb5d4b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.9.24 (https://github.com/ishitatsuyuki/rust-openssl?branch=0.9.x#3b73dda4)
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling tokio-sync v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-mockstream v1.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio_interval_buffer v0.1.0
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling irc v0.13.6
[INFO] [stderr]    Compiling serenity v0.5.12
[INFO] [stderr]    Compiling irc_discord_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/discord/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     client.start();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "6c05374998c1a371fdf0c7d50c6dc22aab291a243baf4646f62f899fcb5d4b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c05374998c1a371fdf0c7d50c6dc22aab291a243baf4646f62f899fcb5d4b2d", kill_on_drop: false }`
[INFO] [stdout] 6c05374998c1a371fdf0c7d50c6dc22aab291a243baf4646f62f899fcb5d4b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4589b86fed2edf74444ac5f6101b5c5123ed03df594dfd2ed00f36fac5a57061
[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" "4589b86fed2edf74444ac5f6101b5c5123ed03df594dfd2ed00f36fac5a57061", kill_on_drop: false }`
[INFO] [stderr]    Compiling irc_discord_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/discord/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     client.start();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "4589b86fed2edf74444ac5f6101b5c5123ed03df594dfd2ed00f36fac5a57061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4589b86fed2edf74444ac5f6101b5c5123ed03df594dfd2ed00f36fac5a57061", kill_on_drop: false }`
[INFO] [stdout] 4589b86fed2edf74444ac5f6101b5c5123ed03df594dfd2ed00f36fac5a57061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7892c7971f6d085d0225f8f7e9ca9099a2ff46c60af4de5c8c14ce80c13fee6c
[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" "7892c7971f6d085d0225f8f7e9ca9099a2ff46c60af4de5c8c14ce80c13fee6c", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/discord/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     client.start();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/irc_discord_client-bb2feab5eb188867
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7892c7971f6d085d0225f8f7e9ca9099a2ff46c60af4de5c8c14ce80c13fee6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7892c7971f6d085d0225f8f7e9ca9099a2ff46c60af4de5c8c14ce80c13fee6c", kill_on_drop: false }`
[INFO] [stdout] 7892c7971f6d085d0225f8f7e9ca9099a2ff46c60af4de5c8c14ce80c13fee6c