[INFO] cloning repository https://github.com/Altanis/tokio-bichannel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Altanis/tokio-bichannel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltanis%2Ftokio-bichannel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltanis%2Ftokio-bichannel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c700e86e4234271ee02cf231534955b796b24f24
[INFO] checking Altanis/tokio-bichannel against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltanis%2Ftokio-bichannel" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Altanis/tokio-bichannel on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Altanis/tokio-bichannel
[INFO] finished tweaking git repo https://github.com/Altanis/tokio-bichannel
[INFO] tweaked toml for git repo https://github.com/Altanis/tokio-bichannel written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Altanis/tokio-bichannel 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27e743cfc98ecccb6d57b661aae581ca5673302bcbb29605a547c6b4ef36eaf1
[INFO] running `Command { std: "docker" "start" "-a" "27e743cfc98ecccb6d57b661aae581ca5673302bcbb29605a547c6b4ef36eaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e743cfc98ecccb6d57b661aae581ca5673302bcbb29605a547c6b4ef36eaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e743cfc98ecccb6d57b661aae581ca5673302bcbb29605a547c6b4ef36eaf1", kill_on_drop: false }`
[INFO] [stdout] 27e743cfc98ecccb6d57b661aae581ca5673302bcbb29605a547c6b4ef36eaf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf482be51908a1bf6852f37cc48812d338bc63897a87179911c56de177daa57d
[INFO] running `Command { std: "docker" "start" "-a" "bf482be51908a1bf6852f37cc48812d338bc63897a87179911c56de177daa57d", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking tokio-bichannel v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:167:14
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let (mut chan1, mut chan2) = channel::<String, String>(10);
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.81s
[INFO] running `Command { std: "docker" "inspect" "bf482be51908a1bf6852f37cc48812d338bc63897a87179911c56de177daa57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf482be51908a1bf6852f37cc48812d338bc63897a87179911c56de177daa57d", kill_on_drop: false }`
[INFO] [stdout] bf482be51908a1bf6852f37cc48812d338bc63897a87179911c56de177daa57d
