[INFO] cloning repository https://github.com/alexandermocanu/myos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexandermocanu/myos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandermocanu%2Fmyos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandermocanu%2Fmyos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 365498a0d2ed827ad93cc786482634c945d606fa
[INFO] checking alexandermocanu/myos against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandermocanu%2Fmyos" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/alexandermocanu/myos
[INFO] finished tweaking git repo https://github.com/alexandermocanu/myos
[INFO] tweaked toml for git repo https://github.com/alexandermocanu/myos written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alexandermocanu/myos on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alexandermocanu/myos 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a57de8f098d034bebf553a517798410f2071e89c0f1b3915e523f40b13c7f034
[INFO] running `Command { std: "docker" "start" "-a" "a57de8f098d034bebf553a517798410f2071e89c0f1b3915e523f40b13c7f034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57de8f098d034bebf553a517798410f2071e89c0f1b3915e523f40b13c7f034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57de8f098d034bebf553a517798410f2071e89c0f1b3915e523f40b13c7f034", kill_on_drop: false }`
[INFO] [stdout] a57de8f098d034bebf553a517798410f2071e89c0f1b3915e523f40b13c7f034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e371fb6f0ae35005cb39233a05307b9d7cff851c097161528189bb18f7f2a10
[INFO] running `Command { std: "docker" "start" "-a" "9e371fb6f0ae35005cb39233a05307b9d7cff851c097161528189bb18f7f2a10", kill_on_drop: false }`
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/main.rs:213:1
[INFO] [stdout]     |
[INFO] [stdout] 213 | / fn panic(panic_info: &PanicInfo) -> ! {
[INFO] [stdout] 214 | |     let mut terminal = Terminal::new();
[INFO] [stdout] 215 | |     terminal.write_string(panic_info.message().as_str().unwrap_or(""));
[INFO] [stdout] 216 | |     loop {}
[INFO] [stdout] 217 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]     = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/0611f7de057c584b8771102fde7aed6c70c71d3b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ac9480c40695dcba.rmeta
[INFO] [stdout]     = note: second definition in the local crate (`os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (bin "os" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e371fb6f0ae35005cb39233a05307b9d7cff851c097161528189bb18f7f2a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e371fb6f0ae35005cb39233a05307b9d7cff851c097161528189bb18f7f2a10", kill_on_drop: false }`
[INFO] [stdout] 9e371fb6f0ae35005cb39233a05307b9d7cff851c097161528189bb18f7f2a10
