[INFO] cloning repository https://github.com/LForchini/serial-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LForchini/serial-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLForchini%2Fserial-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLForchini%2Fserial-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdbaa402d8cbfed0cf7e8b91dfe01363b3000d02
[INFO] checking LForchini/serial-tests against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLForchini%2Fserial-tests" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LForchini/serial-tests
[INFO] finished tweaking git repo https://github.com/LForchini/serial-tests
[INFO] tweaked toml for git repo https://github.com/LForchini/serial-tests written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LForchini/serial-tests on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LForchini/serial-tests 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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-tree v0.3.0
[INFO] [stderr]   Downloaded tokio-serial v5.4.4
[INFO] [stderr]   Downloaded serialport v4.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.4
[INFO] [stderr]   Downloaded mio-serial v5.0.5
[INFO] [stderr]   Downloaded unescaper v0.1.4
[INFO] [stderr]   Downloaded io-kit-sys v0.4.0
[INFO] [stderr]   Downloaded regex-automata v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127
[INFO] running `Command { std: "docker" "start" "6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking lock_api v0.4.11
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking unescaper v0.1.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking tracing-tree v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking mio-serial v5.0.5
[INFO] [stderr]     Checking tokio-serial v5.4.4
[INFO] [stderr]     Checking serial-tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, time::Duration};
[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: `Lines`
[INFO] [stdout]  --> src/main.rs:4:90
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::io::{stdin, AsyncBufReadExt, AsyncWrite, AsyncWriteExt, BufReader, BufWriter, Lines};
[INFO] [stdout]   |                                                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/main.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{info, instrument, trace, warn};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, time::Duration};
[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: `Lines`
[INFO] [stdout]  --> src/main.rs:4:90
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::io::{stdin, AsyncBufReadExt, AsyncWrite, AsyncWriteExt, BufReader, BufWriter, Lines};
[INFO] [stdout]   |                                                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/main.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{info, instrument, trace, warn};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.04s
[INFO] running `Command { std: "docker" "inspect" "6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127", kill_on_drop: false }`
[INFO] [stdout] 6ca4410648b11a010566b2d70878d3a1e6a6bfb9893321aa4a02591fa934f127
