[INFO] cloning repository https://github.com/greedyhao/rotd_base
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greedyhao/rotd_base" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreedyhao%2Frotd_base", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreedyhao%2Frotd_base'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ab47a8cb3a49ade0502d3fe49353445deaf2519
[INFO] checking greedyhao/rotd_base against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreedyhao%2Frotd_base" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greedyhao/rotd_base on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/greedyhao/rotd_base
[INFO] finished tweaking git repo https://github.com/greedyhao/rotd_base
[INFO] tweaked toml for git repo https://github.com/greedyhao/rotd_base written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/greedyhao/rotd_base 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd99bb1c77d04af7df6093d33ed1954f2814d6541cc43731bd3043ac4b4a33a2
[INFO] running `Command { std: "docker" "start" "-a" "fd99bb1c77d04af7df6093d33ed1954f2814d6541cc43731bd3043ac4b4a33a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd99bb1c77d04af7df6093d33ed1954f2814d6541cc43731bd3043ac4b4a33a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd99bb1c77d04af7df6093d33ed1954f2814d6541cc43731bd3043ac4b4a33a2", kill_on_drop: false }`
[INFO] [stdout] fd99bb1c77d04af7df6093d33ed1954f2814d6541cc43731bd3043ac4b4a33a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4412778e1434b3e61e8c025d60d34bc023908c82bffbace69ce66cede921d27c
[INFO] running `Command { std: "docker" "start" "-a" "4412778e1434b3e61e8c025d60d34bc023908c82bffbace69ce66cede921d27c", kill_on_drop: false }`
[INFO] [stderr]     Checking rotd_base v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `read_pw` and `write_pw` are never read
[INFO] [stdout]   --> src/rotd_core.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ROTDCtrl {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 27 |     read_pw: ReadPwCtrl,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     write_pw: WritePwCtrl,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pw`
[INFO] [stdout]   --> src/lib.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_pw_ctrl(pw: &mut PassWord) {}
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_pw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pw`
[INFO] [stdout]   --> src/lib.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn write_pw_ctrl(pw: &PassWord) {}
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_pw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ring`
[INFO] [stdout]   --> src/lib.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn buzzer_ctrl(ring: bool) {}
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_ring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `read_pw` and `write_pw` are never read
[INFO] [stdout]   --> src/rotd_core.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ROTDCtrl {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 27 |     read_pw: ReadPwCtrl,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     write_pw: WritePwCtrl,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "4412778e1434b3e61e8c025d60d34bc023908c82bffbace69ce66cede921d27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4412778e1434b3e61e8c025d60d34bc023908c82bffbace69ce66cede921d27c", kill_on_drop: false }`
[INFO] [stdout] 4412778e1434b3e61e8c025d60d34bc023908c82bffbace69ce66cede921d27c