[INFO] cloning repository https://github.com/n-eq/nerk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n-eq/nerk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-eq%2Fnerk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-eq%2Fnerk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13ff41130219eb20feeb15ea7444d1ab0f4333d0
[INFO] checking n-eq/nerk against try#0f31acebf540c89e4a4d5d114959fe91973419cb for pr-147017
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-eq%2Fnerk" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/n-eq/nerk
[INFO] finished tweaking git repo https://github.com/n-eq/nerk
[INFO] tweaked toml for git repo https://github.com/n-eq/nerk written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/n-eq/nerk on toolchain 0f31acebf540c89e4a4d5d114959fe91973419cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/n-eq/nerk 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" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded pic8259 v0.10.4
[INFO] [stderr]   Downloaded x86_64 v0.15.2
[INFO] [stderr]   Downloaded bootloader v0.9.29
[INFO] [stderr]   Downloaded x86_64 v0.14.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d797a0e9742268fd028fe40f343c7f0c1ff88f06938d26f80828e17f276449e9
[INFO] running `Command { std: "docker" "start" "-a" "d797a0e9742268fd028fe40f343c7f0c1ff88f06938d26f80828e17f276449e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d797a0e9742268fd028fe40f343c7f0c1ff88f06938d26f80828e17f276449e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d797a0e9742268fd028fe40f343c7f0c1ff88f06938d26f80828e17f276449e9", kill_on_drop: false }`
[INFO] [stdout] d797a0e9742268fd028fe40f343c7f0c1ff88f06938d26f80828e17f276449e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c243ae08050add4b98ab3eb258d54d5d3840b4364dc02f03a4f2f205939f1b
[INFO] running `Command { std: "docker" "start" "-a" "75c243ae08050add4b98ab3eb258d54d5d3840b4364dc02f03a4f2f205939f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking x86_64 v0.14.10
[INFO] [stderr]     Checking x86_64 v0.15.2
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking nerk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / fn panic(info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 13 | |     println!("PANIC! {info:?}");
[INFO] [stdout] 14 | |     loop {
[INFO] [stdout] 15 | |         hlt();
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | | }
[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/0f31acebf540c89e4a4d5d114959fe91973419cb/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2bfe6d313f1a27d4.rlib
[INFO] [stdout]    = note: second definition in the local crate (`nerk`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nerk` (bin "nerk" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "75c243ae08050add4b98ab3eb258d54d5d3840b4364dc02f03a4f2f205939f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c243ae08050add4b98ab3eb258d54d5d3840b4364dc02f03a4f2f205939f1b", kill_on_drop: false }`
[INFO] [stdout] 75c243ae08050add4b98ab3eb258d54d5d3840b4364dc02f03a4f2f205939f1b