[INFO] cloning repository https://github.com/Atte/discord-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Atte/discord-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtte%2Fdiscord-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtte%2Fdiscord-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd6072213c27f9ff790f35a99336b7af8f7e01e9
[INFO] checking Atte/discord-bot against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtte%2Fdiscord-bot" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Atte/discord-bot on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Atte/discord-bot
[INFO] finished tweaking git repo https://github.com/Atte/discord-bot
[INFO] tweaked toml for git repo https://github.com/Atte/discord-bot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Atte/discord-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c46776beefeccc2e449dc37698e501b8c350968f10af128f78c09560ee97fee1
[INFO] running `Command { std: "docker" "start" "-a" "c46776beefeccc2e449dc37698e501b8c350968f10af128f78c09560ee97fee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c46776beefeccc2e449dc37698e501b8c350968f10af128f78c09560ee97fee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46776beefeccc2e449dc37698e501b8c350968f10af128f78c09560ee97fee1", kill_on_drop: false }`
[INFO] [stdout] c46776beefeccc2e449dc37698e501b8c350968f10af128f78c09560ee97fee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cd080ac1504e1257e46eb470fdfe4570d9d986ef6baa11e205b9314f87f6731
[INFO] running `Command { std: "docker" "start" "-a" "5cd080ac1504e1257e46eb470fdfe4570d9d986ef6baa11e205b9314f87f6731", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
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[INFO] [stdout] warning: function is never used: `first_entry`
[INFO] [stdout]   --> src/serialization.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn first_entry<'de, T, D>(deserializer: D) -> Result<Option<T>, D::Error>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_entry`
[INFO] [stdout]   --> src/serialization.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn first_entry<'de, T, D>(deserializer: D) -> Result<Option<T>, D::Error>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "5cd080ac1504e1257e46eb470fdfe4570d9d986ef6baa11e205b9314f87f6731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd080ac1504e1257e46eb470fdfe4570d9d986ef6baa11e205b9314f87f6731", kill_on_drop: false }`
[INFO] [stdout] 5cd080ac1504e1257e46eb470fdfe4570d9d986ef6baa11e205b9314f87f6731