[INFO] fetching crate tg-ch1-lab 0.4.2-preview.1...
[INFO] testing tg-ch1-lab-0.4.2-preview.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tg-ch1-lab 0.4.2-preview.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tg-ch1-lab 0.4.2-preview.1
[INFO] finished tweaking crates.io crate tg-ch1-lab 0.4.2-preview.1
[INFO] tweaked toml for crates.io crate tg-ch1-lab 0.4.2-preview.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-ch1-lab 0.4.2-preview.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-ch1-lab 0.4.2-preview.1 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" "+1.95.0" "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 tg-sbi v0.4.2-preview.1
[INFO] [stderr]   Downloaded tg-console v0.4.2-preview.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f424573e0020c1fe0bd1fd4b0a914ec5087ba147dadf142b9b84fcc2e3fc3b7a
[INFO] running `Command { std: "docker" "start" "-a" "f424573e0020c1fe0bd1fd4b0a914ec5087ba147dadf142b9b84fcc2e3fc3b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f424573e0020c1fe0bd1fd4b0a914ec5087ba147dadf142b9b84fcc2e3fc3b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f424573e0020c1fe0bd1fd4b0a914ec5087ba147dadf142b9b84fcc2e3fc3b7a", kill_on_drop: false }`
[INFO] [stdout] f424573e0020c1fe0bd1fd4b0a914ec5087ba147dadf142b9b84fcc2e3fc3b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82c211f345bfd7c331a4c6ccb83aa6de8b8048de669c5c131f44583d18fde4b1
[INFO] running `Command { std: "docker" "start" "-a" "82c211f345bfd7c331a4c6ccb83aa6de8b8048de669c5c131f44583d18fde4b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling tg-ch1-lab v0.4.2-preview.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling tg-sbi v0.4.2-preview.1
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tg-console v0.4.2-preview.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "82c211f345bfd7c331a4c6ccb83aa6de8b8048de669c5c131f44583d18fde4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c211f345bfd7c331a4c6ccb83aa6de8b8048de669c5c131f44583d18fde4b1", kill_on_drop: false }`
[INFO] [stdout] 82c211f345bfd7c331a4c6ccb83aa6de8b8048de669c5c131f44583d18fde4b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f50012ddc52ccad9321aadada38f2070b38cf56115fbe394a51dd96cc17cea1
[INFO] running `Command { std: "docker" "start" "-a" "9f50012ddc52ccad9321aadada38f2070b38cf56115fbe394a51dd96cc17cea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tg-sbi v0.4.2-preview.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tg-console v0.4.2-preview.1
[INFO] [stderr]    Compiling tg-ch1-lab v0.4.2-preview.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 80 | |     loop {}
[INFO] [stdout] 81 | | }
[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/1.95.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d1237ef7159db0a2.so, /opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d1237ef7159db0a2.rlib, /opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d1237ef7159db0a2.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`tg_ch1_lab`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-ch1-lab` (bin "tg-ch1-lab" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9f50012ddc52ccad9321aadada38f2070b38cf56115fbe394a51dd96cc17cea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f50012ddc52ccad9321aadada38f2070b38cf56115fbe394a51dd96cc17cea1", kill_on_drop: false }`
[INFO] [stdout] 9f50012ddc52ccad9321aadada38f2070b38cf56115fbe394a51dd96cc17cea1
