[INFO] cloning repository https://github.com/JPHutchins/serial-terminal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPHutchins/serial-terminal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPHutchins%2Fserial-terminal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPHutchins%2Fserial-terminal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1237e807ccfda2a14516753353aa19310bf0ad6e
[INFO] checking JPHutchins/serial-terminal against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPHutchins%2Fserial-terminal" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JPHutchins/serial-terminal
[INFO] finished tweaking git repo https://github.com/JPHutchins/serial-terminal
[INFO] tweaked toml for git repo https://github.com/JPHutchins/serial-terminal written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JPHutchins/serial-terminal on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JPHutchins/serial-terminal 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c2b082974e1e8f104adbd99fb6d431fd8487e9f96ca3846bbf8f3adc84c49f
[INFO] running `Command { std: "docker" "start" "-a" "e2c2b082974e1e8f104adbd99fb6d431fd8487e9f96ca3846bbf8f3adc84c49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c2b082974e1e8f104adbd99fb6d431fd8487e9f96ca3846bbf8f3adc84c49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c2b082974e1e8f104adbd99fb6d431fd8487e9f96ca3846bbf8f3adc84c49f", kill_on_drop: false }`
[INFO] [stdout] e2c2b082974e1e8f104adbd99fb6d431fd8487e9f96ca3846bbf8f3adc84c49f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5a0d9817455f63bf6254c1db7c38db77eb65e2a8145b92f9a53036434194bd9
[INFO] running `Command { std: "docker" "start" "-a" "a5a0d9817455f63bf6254c1db7c38db77eb65e2a8145b92f9a53036434194bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
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[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking mio-serial v5.0.3
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[INFO] [stderr]    Compiling serial-terminal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
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[INFO] [stderr]    Compiling terminal-spinner-data v0.1.2
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/serial_connection.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut serial_connection_res = tokio_serial::new(args.port.clone(), args.baud)
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/serial_connection.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut serial_connection_res = tokio_serial::new(args.port.clone(), args.baud)
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.27s
[INFO] running `Command { std: "docker" "inspect" "a5a0d9817455f63bf6254c1db7c38db77eb65e2a8145b92f9a53036434194bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a0d9817455f63bf6254c1db7c38db77eb65e2a8145b92f9a53036434194bd9", kill_on_drop: false }`
[INFO] [stdout] a5a0d9817455f63bf6254c1db7c38db77eb65e2a8145b92f9a53036434194bd9
