[INFO] fetching crate no-panics-whatsoever 0.1.0...
[INFO] checking no-panics-whatsoever-0.1.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate no-panics-whatsoever 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate no-panics-whatsoever 0.1.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate no-panics-whatsoever 0.1.0
[INFO] finished tweaking crates.io crate no-panics-whatsoever 0.1.0
[INFO] tweaked toml for crates.io crate no-panics-whatsoever 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be7f2e1f5370e0130d7d0b2f3cc5fe6e5ff2d27caec2c76c2f2eabbb9f09e11
[INFO] running `Command { std: "docker" "start" "-a" "8be7f2e1f5370e0130d7d0b2f3cc5fe6e5ff2d27caec2c76c2f2eabbb9f09e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be7f2e1f5370e0130d7d0b2f3cc5fe6e5ff2d27caec2c76c2f2eabbb9f09e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be7f2e1f5370e0130d7d0b2f3cc5fe6e5ff2d27caec2c76c2f2eabbb9f09e11", kill_on_drop: false }`
[INFO] [stdout] 8be7f2e1f5370e0130d7d0b2f3cc5fe6e5ff2d27caec2c76c2f2eabbb9f09e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2525b321289c4481ccc3b0960dcbdddac333e2e8c2eb04343c27656c72ccf418
[INFO] running `Command { std: "docker" "start" "-a" "2525b321289c4481ccc3b0960dcbdddac333e2e8c2eb04343c27656c72ccf418", kill_on_drop: false }`
[INFO] [stderr]     Checking no-panics-whatsoever v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / fn panic(_: &PanicInfo) -> ! {
[INFO] [stdout] 38 | |     extern "C" {
[INFO] [stdout] 39 | |         #[cfg_attr(
[INFO] [stdout] 40 | |             target_family = "unix", link_name = "\n\n\x1b[s\x1b[1000D\x1b[0;31m\x1b[1merror\x1b[0m\x1b[1m: the static assertion that no p...
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     unsafe { never_panic() }
[INFO] [stdout] 47 | | }
[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/ff1737bb00913444173658b4e0b274fd79aabf66/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-cb5ec2ef594bb30c.rlib
[INFO] [stdout]    = note: second definition in the local crate (`no_panics_whatsoever`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no-panics-whatsoever` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2525b321289c4481ccc3b0960dcbdddac333e2e8c2eb04343c27656c72ccf418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2525b321289c4481ccc3b0960dcbdddac333e2e8c2eb04343c27656c72ccf418", kill_on_drop: false }`
[INFO] [stdout] 2525b321289c4481ccc3b0960dcbdddac333e2e8c2eb04343c27656c72ccf418