[INFO] fetching crate ieee1275 0.2.0... [INFO] testing ieee1275-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate ieee1275 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate ieee1275 0.2.0 [INFO] finished tweaking crates.io crate ieee1275 0.2.0 [INFO] tweaked toml for crates.io crate ieee1275 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ieee1275 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded compiler_builtins v0.1.160 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f95204a509c8b34ab51f7b04e50c19a58d6f701fd48fe7e6dd3de4c3d0b1fcf1 [INFO] running `Command { std: "docker" "start" "-a" "f95204a509c8b34ab51f7b04e50c19a58d6f701fd48fe7e6dd3de4c3d0b1fcf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f95204a509c8b34ab51f7b04e50c19a58d6f701fd48fe7e6dd3de4c3d0b1fcf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f95204a509c8b34ab51f7b04e50c19a58d6f701fd48fe7e6dd3de4c3d0b1fcf1", kill_on_drop: false }` [INFO] [stdout] f95204a509c8b34ab51f7b04e50c19a58d6f701fd48fe7e6dd3de4c3d0b1fcf1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aba228f539ba1526772c2122b9e8b99f60eefc306b6ff83c7c0e07c3c38b7381 [INFO] running `Command { std: "docker" "start" "-a" "aba228f539ba1526772c2122b9e8b99f60eefc306b6ff83c7c0e07c3c38b7381", kill_on_drop: false }` [INFO] [stderr] Compiling ieee1275 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | GLOBAL_PROM.exit(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "aba228f539ba1526772c2122b9e8b99f60eefc306b6ff83c7c0e07c3c38b7381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aba228f539ba1526772c2122b9e8b99f60eefc306b6ff83c7c0e07c3c38b7381", kill_on_drop: false }` [INFO] [stdout] aba228f539ba1526772c2122b9e8b99f60eefc306b6ff83c7c0e07c3c38b7381 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 091cc6fed965ec0cc9d58e153fac716c664251fc96bf3b9e03153562be2dad84 [INFO] running `Command { std: "docker" "start" "-a" "091cc6fed965ec0cc9d58e153fac716c664251fc96bf3b9e03153562be2dad84", kill_on_drop: false }` [INFO] [stderr] Compiling ieee1275 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/lib.rs:145:1 [INFO] [stdout] | [INFO] [stdout] 145 | / fn panic(_panic: &PanicInfo<'_>) -> ! { [INFO] [stdout] 146 | | unsafe { [INFO] [stdout] 147 | | GLOBAL_PROM.exit(); [INFO] [stdout] 148 | | } [INFO] [stdout] 149 | | } [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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9fbdd90241d2d923.so, /opt/rustwide/rustup-home/toolchains/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9fbdd90241d2d923.rlib [INFO] [stdout] = note: second definition in the local crate (`ieee1275`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ieee1275` (lib test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | GLOBAL_PROM.exit(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "091cc6fed965ec0cc9d58e153fac716c664251fc96bf3b9e03153562be2dad84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "091cc6fed965ec0cc9d58e153fac716c664251fc96bf3b9e03153562be2dad84", kill_on_drop: false }` [INFO] [stdout] 091cc6fed965ec0cc9d58e153fac716c664251fc96bf3b9e03153562be2dad84