[INFO] fetching crate iwchaos-core 0.2.4...
[INFO] checking iwchaos-core-0.2.4 against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] extracting crate iwchaos-core 0.2.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate iwchaos-core 0.2.4
[INFO] finished tweaking crates.io crate iwchaos-core 0.2.4
[INFO] tweaked toml for crates.io crate iwchaos-core 0.2.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iwchaos-core 0.2.4 on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iwchaos-core 0.2.4 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1
[INFO] running `Command { std: "docker" "start" "4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking iwchaos-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 18 | |     loop {}
[INFO] [stdout] 19 | | }
[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/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6ee2a0f0126c8a50.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`iwchaos_core`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iwchaos-core` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1", kill_on_drop: false }`
[INFO] [stdout] 4f8885bc89eac047f9a9bc147a0ff6f81b6be36b71f928924ade47ef1afd7bd1
