[INFO] cloning repository https://github.com/Rustixir/darkbird
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rustixir/darkbird" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustixir%2Fdarkbird", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustixir%2Fdarkbird'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 757cb77fe4c426bf6b638bc928b2089990817c01
[INFO] checking Rustixir/darkbird against master#e5e4eef02d443eae5089a330e59a69a4f350db81 for pr-106060
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustixir%2Fdarkbird" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rustixir/darkbird on toolchain e5e4eef02d443eae5089a330e59a69a4f350db81
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e5e4eef02d443eae5089a330e59a69a4f350db81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rustixir/darkbird
[INFO] finished tweaking git repo https://github.com/Rustixir/darkbird
[INFO] tweaked toml for git repo https://github.com/Rustixir/darkbird written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Rustixir/darkbird already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e5e4eef02d443eae5089a330e59a69a4f350db81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded advisory-lock v0.2.0
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[INFO] [stderr]   Downloaded scylla-macros v0.1.1
[INFO] [stderr]   Downloaded simple_wal v0.3.0
[INFO] [stderr]   Downloaded scylla v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+e5e4eef02d443eae5089a330e59a69a4f350db81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a89e61d7aae0011e3baab5be95651219be2e62c6bd0033414c99f19818e10ecf
[INFO] running `Command { std: "docker" "start" "-a" "a89e61d7aae0011e3baab5be95651219be2e62c6bd0033414c99f19818e10ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a89e61d7aae0011e3baab5be95651219be2e62c6bd0033414c99f19818e10ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89e61d7aae0011e3baab5be95651219be2e62c6bd0033414c99f19818e10ecf", kill_on_drop: false }`
[INFO] [stdout] a89e61d7aae0011e3baab5be95651219be2e62c6bd0033414c99f19818e10ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+e5e4eef02d443eae5089a330e59a69a4f350db81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 199e8352b5b35720b915e6c96cbf15e91bfd556e0a43e01e33d9b2702c8add4d
[INFO] running `Command { std: "docker" "start" "-a" "199e8352b5b35720b915e6c96cbf15e91bfd556e0a43e01e33d9b2702c8add4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling parking_lot_core v0.9.2
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[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]     Checking advisory-lock v0.2.0
[INFO] [stderr]     Checking simple_wal v0.3.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
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[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.21
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[INFO] [stderr]     Checking darkbird v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `current_page_index` is never read
[INFO] [stdout]  --> src/darkbird/disk_log.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TmpLogStruct {
[INFO] [stdout]   |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     current_page_index: usize
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `c` and `router_type` are never read
[INFO] [stdout]   --> src/darkbird/router.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct Router<Msg> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 93 |     c: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 94 |     channels: Vec<Sender<Msg>>,
[INFO] [stdout] 95 |     router_type: RouterType
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `next_index` is never used
[INFO] [stdout]    --> src/darkbird/router.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn next_index(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_page_index` is never read
[INFO] [stdout]  --> src/darkbird/disk_log.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TmpLogStruct {
[INFO] [stdout]   |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     current_page_index: usize
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `c` and `router_type` are never read
[INFO] [stdout]   --> src/darkbird/router.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct Router<Msg> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 93 |     c: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 94 |     channels: Vec<Sender<Msg>>,
[INFO] [stdout] 95 |     router_type: RouterType
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `next_index` is never used
[INFO] [stdout]    --> src/darkbird/router.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn next_index(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "199e8352b5b35720b915e6c96cbf15e91bfd556e0a43e01e33d9b2702c8add4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199e8352b5b35720b915e6c96cbf15e91bfd556e0a43e01e33d9b2702c8add4d", kill_on_drop: false }`
[INFO] [stdout] 199e8352b5b35720b915e6c96cbf15e91bfd556e0a43e01e33d9b2702c8add4d