[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 try#560667b800e34f03ac9f520f299d077c249dd301 for pr-100971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustixir%2Fdarkbird" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rustixir/darkbird on toolchain 560667b800e34f03ac9f520f299d077c249dd301
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+560667b800e34f03ac9f520f299d077c249dd301" "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-1/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" "+560667b800e34f03ac9f520f299d077c249dd301" "fetch" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+560667b800e34f03ac9f520f299d077c249dd301" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9da230a4319ba5b191f8da26a56340cf1e5ba8c7cee4894e7d599ba57b2aeece
[INFO] running `Command { std: "docker" "start" "-a" "9da230a4319ba5b191f8da26a56340cf1e5ba8c7cee4894e7d599ba57b2aeece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da230a4319ba5b191f8da26a56340cf1e5ba8c7cee4894e7d599ba57b2aeece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da230a4319ba5b191f8da26a56340cf1e5ba8c7cee4894e7d599ba57b2aeece", kill_on_drop: false }`
[INFO] [stdout] 9da230a4319ba5b191f8da26a56340cf1e5ba8c7cee4894e7d599ba57b2aeece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+560667b800e34f03ac9f520f299d077c249dd301" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3d1011535bb9bf6246ac26db4765979ebe6648fafbbba1508f2aace705420e
[INFO] running `Command { std: "docker" "start" "-a" "7a3d1011535bb9bf6246ac26db4765979ebe6648fafbbba1508f2aace705420e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling rustversion v1.0.7
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[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking fallible-iterator v0.2.0
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[INFO] [stderr]     Checking uuid v1.1.2
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[INFO] [stderr]    Compiling generic-array v0.14.5
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[INFO] [stderr]     Checking tinyvec v1.6.0
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[INFO] [stderr]     Checking unicode-normalization v0.1.21
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[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
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[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
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[INFO] [stderr]     Checking simple_wal v0.3.0
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.21
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[INFO] [stderr]     Checking tokio-postgres v0.7.6
[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 33.46s
[INFO] running `Command { std: "docker" "inspect" "7a3d1011535bb9bf6246ac26db4765979ebe6648fafbbba1508f2aace705420e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3d1011535bb9bf6246ac26db4765979ebe6648fafbbba1508f2aace705420e", kill_on_drop: false }`
[INFO] [stdout] 7a3d1011535bb9bf6246ac26db4765979ebe6648fafbbba1508f2aace705420e