[INFO] cloning repository https://github.com/rado1999/cashcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rado1999/cashcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frado1999%2Fcashcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frado1999%2Fcashcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a84b78956e705df5ff18910a352b6ca34ce55221
[INFO] checking rado1999/cashcode against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frado1999%2Fcashcode" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rado1999/cashcode on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rado1999/cashcode
[INFO] finished tweaking git repo https://github.com/rado1999/cashcode
[INFO] tweaked toml for git repo https://github.com/rado1999/cashcode written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rado1999/cashcode 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a61a4eca14bc036d894c4f79557125dc01809093a4f554ec8d3106ddaec05de8
[INFO] running `Command { std: "docker" "start" "-a" "a61a4eca14bc036d894c4f79557125dc01809093a4f554ec8d3106ddaec05de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61a4eca14bc036d894c4f79557125dc01809093a4f554ec8d3106ddaec05de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61a4eca14bc036d894c4f79557125dc01809093a4f554ec8d3106ddaec05de8", kill_on_drop: false }`
[INFO] [stdout] a61a4eca14bc036d894c4f79557125dc01809093a4f554ec8d3106ddaec05de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93bc892d63da04cfd674176d3e7dd1505819016b31405b4fbf43438f5b640db5
[INFO] running `Command { std: "docker" "start" "-a" "93bc892d63da04cfd674176d3e7dd1505819016b31405b4fbf43438f5b640db5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking cashcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stack`
[INFO] [stdout]  --> src/cashcode/mod.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 |     disable, enable, poll, reset, return_bill, set_security, stack,
[INFO] [stdout]   |                                                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stack`
[INFO] [stdout]  --> src/cashcode/mod.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 |     disable, enable, poll, reset, return_bill, set_security, stack,
[INFO] [stdout]   |                                                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stack` is never used
[INFO] [stdout]    --> src/cashcode/commands.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn stack(port: &mut Box<dyn SerialPort>) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK` is never used
[INFO] [stdout]   --> src/constants/conts.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const STACK: [u8; 6] = [0x02, 0x03, 0x06, 0x35, 0xEC, 0xE4];
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stack` is never used
[INFO] [stdout]    --> src/cashcode/commands.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn stack(port: &mut Box<dyn SerialPort>) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK` is never used
[INFO] [stdout]   --> src/constants/conts.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const STACK: [u8; 6] = [0x02, 0x03, 0x06, 0x35, 0xEC, 0xE4];
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "93bc892d63da04cfd674176d3e7dd1505819016b31405b4fbf43438f5b640db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bc892d63da04cfd674176d3e7dd1505819016b31405b4fbf43438f5b640db5", kill_on_drop: false }`
[INFO] [stdout] 93bc892d63da04cfd674176d3e7dd1505819016b31405b4fbf43438f5b640db5