[INFO] cloning repository https://github.com/anthonyq2/anthony_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anthonyq2/anthony_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonyq2%2Fanthony_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonyq2%2Fanthony_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 549a88f6a4ea42354975b002f936c972ed901534
[INFO] checking anthonyq2/anthony_os against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonyq2%2Fanthony_os" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anthonyq2/anthony_os on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anthonyq2/anthony_os
[INFO] finished tweaking git repo https://github.com/anthonyq2/anthony_os
[INFO] tweaked toml for git repo https://github.com/anthonyq2/anthony_os written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anthonyq2/anthony_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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f71108a7f125a38b96e9708d1b691e7e930f5cf2eff0d8a91be17a1aa9da5e
[INFO] running `Command { std: "docker" "start" "-a" "f3f71108a7f125a38b96e9708d1b691e7e930f5cf2eff0d8a91be17a1aa9da5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f71108a7f125a38b96e9708d1b691e7e930f5cf2eff0d8a91be17a1aa9da5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f71108a7f125a38b96e9708d1b691e7e930f5cf2eff0d8a91be17a1aa9da5e", kill_on_drop: false }`
[INFO] [stdout] f3f71108a7f125a38b96e9708d1b691e7e930f5cf2eff0d8a91be17a1aa9da5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93dffa8d835b0b80993234f9ac180183be53014ab363bd237ca054d2b45e5568
[INFO] running `Command { std: "docker" "start" "-a" "93dffa8d835b0b80993234f9ac180183be53014ab363bd237ca054d2b45e5568", kill_on_drop: false }`
[INFO] [stderr]     Checking anthony_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn panic(_info: &PanicInfo) -> ! {
[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/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a8a9ba95b1228749.rlib
[INFO] [stdout]    = note: second definition in the local crate (`anthony_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `anthony_os` (bin "anthony_os" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "93dffa8d835b0b80993234f9ac180183be53014ab363bd237ca054d2b45e5568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dffa8d835b0b80993234f9ac180183be53014ab363bd237ca054d2b45e5568", kill_on_drop: false }`
[INFO] [stdout] 93dffa8d835b0b80993234f9ac180183be53014ab363bd237ca054d2b45e5568
