[INFO] cloning repository https://github.com/kouichi310/rust-mikan-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kouichi310/rust-mikan-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkouichi310%2Frust-mikan-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkouichi310%2Frust-mikan-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03f40b870a270fcf6d161e1c563e6489586a35ff
[INFO] checking kouichi310/rust-mikan-os against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkouichi310%2Frust-mikan-os" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kouichi310/rust-mikan-os on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kouichi310/rust-mikan-os
[INFO] finished tweaking git repo https://github.com/kouichi310/rust-mikan-os
[INFO] tweaked toml for git repo https://github.com/kouichi310/rust-mikan-os written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kouichi310/rust-mikan-os 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kouichi310/rust-mikan-os against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkouichi310%2Frust-mikan-os" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kouichi310/rust-mikan-os on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kouichi310/rust-mikan-os
[INFO] finished tweaking git repo https://github.com/kouichi310/rust-mikan-os
[INFO] tweaked toml for git repo https://github.com/kouichi310/rust-mikan-os written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kouichi310/rust-mikan-os 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "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 spin v0.10.0
[INFO] [stderr]   Downloaded utf16_literal v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45c0d8210e0205bf083b943b72da6ed46ae73a649fe5c9fd9688509e6a3eba5c
[INFO] running `Command { std: "docker" "start" "-a" "45c0d8210e0205bf083b943b72da6ed46ae73a649fe5c9fd9688509e6a3eba5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45c0d8210e0205bf083b943b72da6ed46ae73a649fe5c9fd9688509e6a3eba5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c0d8210e0205bf083b943b72da6ed46ae73a649fe5c9fd9688509e6a3eba5c", kill_on_drop: false }`
[INFO] [stdout] 45c0d8210e0205bf083b943b72da6ed46ae73a649fe5c9fd9688509e6a3eba5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9e843c63fc2a9f12bab2161b7f945e6578e9eb287a9ba7dbf40f3ee3728b2ed
[INFO] running `Command { std: "docker" "start" "-a" "c9e843c63fc2a9f12bab2161b7f945e6578e9eb287a9ba7dbf40f3ee3728b2ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling utf16_literal v0.2.1
[INFO] [stderr]     Checking rust_mikan_os_kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> kernel/src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / fn panic(_panic: &PanicInfo<'_>) -> ! {
[INFO] [stdout] 8  | |     // println!("{}", _panic);
[INFO] [stdout] 9  | |     loop {}
[INFO] [stdout] 10 | | }
[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/901e6d56697c79b2e80df6a487b2318ec6f57ee3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-46e6f64400db96b9.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_mikan_os_kernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_mikan_os_kernel` (bin "rust_mikan_os_kernel" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c9e843c63fc2a9f12bab2161b7f945e6578e9eb287a9ba7dbf40f3ee3728b2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e843c63fc2a9f12bab2161b7f945e6578e9eb287a9ba7dbf40f3ee3728b2ed", kill_on_drop: false }`
[INFO] [stdout] c9e843c63fc2a9f12bab2161b7f945e6578e9eb287a9ba7dbf40f3ee3728b2ed