[INFO] cloning repository https://github.com/manuel-woelker/walros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manuel-woelker/walros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuel-woelker%2Fwalros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuel-woelker%2Fwalros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad119a5e225b2ac3b1f93d730a62fee71094bb77
[INFO] checking manuel-woelker/walros against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuel-woelker%2Fwalros" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/manuel-woelker/walros
[INFO] finished tweaking git repo https://github.com/manuel-woelker/walros
[INFO] tweaked toml for git repo https://github.com/manuel-woelker/walros written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manuel-woelker/walros on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/manuel-woelker/walros 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded spin v0.10.0
[INFO] [stderr]   Downloaded bootloader v0.9.31
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3eb7fc44adfc54a569c35b8dffba510e97e3a2880f2f6f35a779455f3a26e42
[INFO] running `Command { std: "docker" "start" "-a" "d3eb7fc44adfc54a569c35b8dffba510e97e3a2880f2f6f35a779455f3a26e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3eb7fc44adfc54a569c35b8dffba510e97e3a2880f2f6f35a779455f3a26e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3eb7fc44adfc54a569c35b8dffba510e97e3a2880f2f6f35a779455f3a26e42", kill_on_drop: false }`
[INFO] [stdout] d3eb7fc44adfc54a569c35b8dffba510e97e3a2880f2f6f35a779455f3a26e42
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f1ea564867e3b7310bf39056371513a6e27e9a3130a35a6d8641e131e97d702
[INFO] running `Command { std: "docker" "start" "-a" "1f1ea564867e3b7310bf39056371513a6e27e9a3130a35a6d8641e131e97d702", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking walros-kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stdout] warning: static `COM1` is never used
[INFO] [stdout]  --> kernel/src/serial.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static COM1: u16 = 0x3F8;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_transmit_empty` is never used
[INFO] [stdout]  --> kernel/src/serial.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn is_transmit_empty(port: u16) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_serial_port` is never used
[INFO] [stdout]   --> kernel/src/serial.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn write_serial_port(port: u16, data: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serial_write` is never used
[INFO] [stdout]   --> kernel/src/serial.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn serial_write(port: u16, string: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerialWriter` is never constructed
[INFO] [stdout]   --> kernel/src/serial.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct SerialWriter {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "1f1ea564867e3b7310bf39056371513a6e27e9a3130a35a6d8641e131e97d702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1ea564867e3b7310bf39056371513a6e27e9a3130a35a6d8641e131e97d702", kill_on_drop: false }`
[INFO] [stdout] 1f1ea564867e3b7310bf39056371513a6e27e9a3130a35a6d8641e131e97d702