[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] checking VictorKoenders/irc_discord_client against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Firc_discord_client" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VictorKoenders/irc_discord_client on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-7/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 14ce2855016e42faa31fc4fabfcca2ce9042c26d8008a894a800ad1a7c67b195
[INFO] running `Command { std: "docker" "start" "-a" "14ce2855016e42faa31fc4fabfcca2ce9042c26d8008a894a800ad1a7c67b195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ce2855016e42faa31fc4fabfcca2ce9042c26d8008a894a800ad1a7c67b195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ce2855016e42faa31fc4fabfcca2ce9042c26d8008a894a800ad1a7c67b195", kill_on_drop: false }`
[INFO] [stdout] 14ce2855016e42faa31fc4fabfcca2ce9042c26d8008a894a800ad1a7c67b195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c39a1ffa1e6cfda23716789c3648fd59b2b5590428c7ec268b7ac29a1f9857
[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" "28c39a1ffa1e6cfda23716789c3648fd59b2b5590428c7ec268b7ac29a1f9857", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
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[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling openssl v0.9.24 (https://github.com/ishitatsuyuki/rust-openssl?branch=0.9.x#3b73dda4)
[INFO] [stderr]    Compiling memchr v2.2.0
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[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking regex-syntax v0.6.5
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
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[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking idna v0.1.5
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[INFO] [stderr]    Compiling openssl-sys v0.9.40
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[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking bytes v0.4.11
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[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling syn v0.15.26
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[INFO] [stderr]     Checking mio-uds v0.6.7
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[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio_interval_buffer v0.1.0
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking serenity v0.5.12
[INFO] [stderr]     Checking irc v0.13.6
[INFO] [stderr]     Checking 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] [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" "28c39a1ffa1e6cfda23716789c3648fd59b2b5590428c7ec268b7ac29a1f9857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c39a1ffa1e6cfda23716789c3648fd59b2b5590428c7ec268b7ac29a1f9857", kill_on_drop: false }`
[INFO] [stdout] 28c39a1ffa1e6cfda23716789c3648fd59b2b5590428c7ec268b7ac29a1f9857