[INFO] cloning repository https://github.com/SplittyDev/zircond
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SplittyDev/zircond" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSplittyDev%2Fzircond", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSplittyDev%2Fzircond'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dab97c7f1dbb5186ab02a8135c759906dddad75e
[INFO] checking SplittyDev/zircond against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSplittyDev%2Fzircond" "/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/SplittyDev/zircond 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/SplittyDev/zircond
[INFO] finished tweaking git repo https://github.com/SplittyDev/zircond
[INFO] tweaked toml for git repo https://github.com/SplittyDev/zircond written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/SplittyDev/zircond 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] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 226137db91d1834082e7c20fe963f677d041ecde488af665b2ef24846a87d858
[INFO] running `Command { std: "docker" "start" "-a" "226137db91d1834082e7c20fe963f677d041ecde488af665b2ef24846a87d858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "226137db91d1834082e7c20fe963f677d041ecde488af665b2ef24846a87d858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226137db91d1834082e7c20fe963f677d041ecde488af665b2ef24846a87d858", kill_on_drop: false }`
[INFO] [stdout] 226137db91d1834082e7c20fe963f677d041ecde488af665b2ef24846a87d858
[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=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] 4af89eb9643d995a8c960ae4e9cf90847e6c1156d3cac57c9eb83a35ec6acd94
[INFO] running `Command { std: "docker" "start" "-a" "4af89eb9643d995a8c960ae4e9cf90847e6c1156d3cac57c9eb83a35ec6acd94", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking zircond v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tags`
[INFO] [stdout]  --> src/message/request.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     tags: Option<IrcMessageTags>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]  --> src/message/request.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     prefix: Option<IrcMessagePrefix>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_nickname`
[INFO] [stdout]   --> src/server/user.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn has_nickname(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `username`
[INFO] [stdout]   --> src/server/user.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn username(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `realname`
[INFO] [stdout]   --> src/server/user.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn realname(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tags`
[INFO] [stdout]  --> src/message/request.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     tags: Option<IrcMessageTags>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]  --> src/message/request.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     prefix: Option<IrcMessagePrefix>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_nickname`
[INFO] [stdout]   --> src/server/user.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn has_nickname(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `username`
[INFO] [stdout]   --> src/server/user.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn username(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `realname`
[INFO] [stdout]   --> src/server/user.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn realname(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.36s
[INFO] running `Command { std: "docker" "inspect" "4af89eb9643d995a8c960ae4e9cf90847e6c1156d3cac57c9eb83a35ec6acd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af89eb9643d995a8c960ae4e9cf90847e6c1156d3cac57c9eb83a35ec6acd94", kill_on_drop: false }`
[INFO] [stdout] 4af89eb9643d995a8c960ae4e9cf90847e6c1156d3cac57c9eb83a35ec6acd94