[INFO] cloning repository https://github.com/carlosfy/stream-router
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlosfy/stream-router" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosfy%2Fstream-router", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosfy%2Fstream-router'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 032928f1bac00029da33a901d88c3f8175902e64
[INFO] checking carlosfy/stream-router against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosfy%2Fstream-router" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/carlosfy/stream-router
[INFO] finished tweaking git repo https://github.com/carlosfy/stream-router
[INFO] tweaked toml for git repo https://github.com/carlosfy/stream-router written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/carlosfy/stream-router on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/carlosfy/stream-router already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68cce33b2db83c5c1f3b1e42ef1edb1623aa6281a305ca7a91859cf6c389c060
[INFO] running `Command { std: "docker" "start" "-a" "68cce33b2db83c5c1f3b1e42ef1edb1623aa6281a305ca7a91859cf6c389c060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68cce33b2db83c5c1f3b1e42ef1edb1623aa6281a305ca7a91859cf6c389c060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cce33b2db83c5c1f3b1e42ef1edb1623aa6281a305ca7a91859cf6c389c060", kill_on_drop: false }`
[INFO] [stdout] 68cce33b2db83c5c1f3b1e42ef1edb1623aa6281a305ca7a91859cf6c389c060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac40fc8ceb5c11b800db397e73afea2f6ff7bced4b561bb7a267d39dea9af67
[INFO] running `Command { std: "docker" "start" "-a" "eac40fc8ceb5c11b800db397e73afea2f6ff7bced4b561bb7a267d39dea9af67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking stream-router v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     'listening_on_receivers: loop {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     'listening_on_receivers: loop {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receivers_slice`
[INFO] [stdout]    --> src/main.rs:18:30
[INFO] [stdout]     |
[INFO] [stdout]  18 |               let (first_part, receivers_slice) = receivers_slice.split_at_mut(1);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | /         process_n_receivers!(
[INFO] [stdout] 124 | |             receivers_by_priority,
[INFO] [stdout] 125 | |             merged_stream_sender,
[INFO] [stdout] 126 | |             closed_channels,
[INFO] [stdout] 127 | |             [0, 1, 2, 3]
[INFO] [stdout] 128 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `receivers_slice` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/main.rs:18:30
[INFO] [stdout]     |
[INFO] [stdout]  18 |               let (first_part, receivers_slice) = receivers_slice.split_at_mut(1);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | /         process_n_receivers!(
[INFO] [stdout] 124 | |             receivers_by_priority,
[INFO] [stdout] 125 | |             merged_stream_sender,
[INFO] [stdout] 126 | |             closed_channels,
[INFO] [stdout] 127 | |             [0, 1, 2, 3]
[INFO] [stdout] 128 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `process_n_receivers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stream_id` and `value` are never read
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct IdentifiedStreamChunk {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] 56 |     stream_id: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 57 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IdentifiedStreamChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receivers_slice`
[INFO] [stdout]    --> src/main.rs:18:30
[INFO] [stdout]     |
[INFO] [stdout]  18 |               let (first_part, receivers_slice) = receivers_slice.split_at_mut(1);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | /         process_n_receivers!(
[INFO] [stdout] 124 | |             receivers_by_priority,
[INFO] [stdout] 125 | |             merged_stream_sender,
[INFO] [stdout] 126 | |             closed_channels,
[INFO] [stdout] 127 | |             [0, 1, 2, 3]
[INFO] [stdout] 128 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `receivers_slice` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/main.rs:18:30
[INFO] [stdout]     |
[INFO] [stdout]  18 |               let (first_part, receivers_slice) = receivers_slice.split_at_mut(1);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | /         process_n_receivers!(
[INFO] [stdout] 124 | |             receivers_by_priority,
[INFO] [stdout] 125 | |             merged_stream_sender,
[INFO] [stdout] 126 | |             closed_channels,
[INFO] [stdout] 127 | |             [0, 1, 2, 3]
[INFO] [stdout] 128 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `process_n_receivers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stream_id` and `value` are never read
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct IdentifiedStreamChunk {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] 56 |     stream_id: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 57 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IdentifiedStreamChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "eac40fc8ceb5c11b800db397e73afea2f6ff7bced4b561bb7a267d39dea9af67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac40fc8ceb5c11b800db397e73afea2f6ff7bced4b561bb7a267d39dea9af67", kill_on_drop: false }`
[INFO] [stdout] eac40fc8ceb5c11b800db397e73afea2f6ff7bced4b561bb7a267d39dea9af67
