[INFO] cloning repository https://github.com/chidraqul/chidraqul5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chidraqul/chidraqul5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchidraqul%2Fchidraqul5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchidraqul%2Fchidraqul5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01f8200def4b2826018db28e37e21f68ad4cc94a
[INFO] checking chidraqul/chidraqul5 against try#8384de5d92dd9b1c0b67caa5c1c1b11bf606490f for pr-146300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchidraqul%2Fchidraqul5" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chidraqul/chidraqul5
[INFO] finished tweaking git repo https://github.com/chidraqul/chidraqul5
[INFO] tweaked toml for git repo https://github.com/chidraqul/chidraqul5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chidraqul/chidraqul5 on toolchain 8384de5d92dd9b1c0b67caa5c1c1b11bf606490f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chidraqul/chidraqul5 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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_threads v0.1.5
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.3
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded time-macros v0.2.4
[INFO] [stderr]   Downloaded simplelog v0.12.0
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.2
[INFO] [stderr]   Downloaded parking_lot v0.12.0
[INFO] [stderr]   Downloaded signal-hook v0.3.13
[INFO] [stderr]   Downloaded crossterm v0.23.2
[INFO] [stderr]   Downloaded time v0.3.9
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.34.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.34.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.34.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.34.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.34.0
[INFO] [stderr]   Downloaded windows-sys v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 370891cee1aebe6a1a18ea757b035804abe5947bedac8c3ac873b1d0c1e00e1d
[INFO] running `Command { std: "docker" "start" "-a" "370891cee1aebe6a1a18ea757b035804abe5947bedac8c3ac873b1d0c1e00e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370891cee1aebe6a1a18ea757b035804abe5947bedac8c3ac873b1d0c1e00e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370891cee1aebe6a1a18ea757b035804abe5947bedac8c3ac873b1d0c1e00e1d", kill_on_drop: false }`
[INFO] [stdout] 370891cee1aebe6a1a18ea757b035804abe5947bedac8c3ac873b1d0c1e00e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ace87a60f8cad4204ea5872d7d9135623c6c86287028da4960aa85c08e794c2a
[INFO] running `Command { std: "docker" "start" "-a" "ace87a60f8cad4204ea5872d7d9135623c6c86287028da4960aa85c08e794c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking simplelog v0.12.0
[INFO] [stderr]     Checking chidraqul5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stdout]  --> src/server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::Sender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stdout]  --> src/server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::Sender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "ace87a60f8cad4204ea5872d7d9135623c6c86287028da4960aa85c08e794c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace87a60f8cad4204ea5872d7d9135623c6c86287028da4960aa85c08e794c2a", kill_on_drop: false }`
[INFO] [stdout] ace87a60f8cad4204ea5872d7d9135623c6c86287028da4960aa85c08e794c2a