[INFO] fetching crate chess_perft 3.1.1... [INFO] checking chess_perft-3.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate chess_perft 3.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate chess_perft 3.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config [INFO] started tweaking crates.io crate chess_perft 3.1.1 [INFO] finished tweaking crates.io crate chess_perft 3.1.1 [INFO] tweaked toml for crates.io crate chess_perft 3.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate chess_perft 3.1.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded btoi v0.4.0 [INFO] [stderr] Downloaded arrayvec v0.4.10 [INFO] [stderr] Downloaded chess v3.1.1 [INFO] [stderr] Downloaded autocfg v0.1.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded backtrace v0.3.26 [INFO] [stderr] Downloaded syn v0.15.34 [INFO] [stderr] Downloaded libc v0.2.55 [INFO] [stderr] Downloaded backtrace-sys v0.1.28 [INFO] [stderr] Downloaded shakmaty v0.15.0 [INFO] [stderr] Downloaded getopts v0.2.19 [INFO] [stderr] Downloaded num-traits v0.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edc333f244392d15b4e53ed0fde9b0ec6744447895ec249b1b66b26c911fa141 [INFO] running `Command { std: "docker" "start" "-a" "edc333f244392d15b4e53ed0fde9b0ec6744447895ec249b1b66b26c911fa141", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edc333f244392d15b4e53ed0fde9b0ec6744447895ec249b1b66b26c911fa141", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edc333f244392d15b4e53ed0fde9b0ec6744447895ec249b1b66b26c911fa141", kill_on_drop: false }` [INFO] [stdout] edc333f244392d15b4e53ed0fde9b0ec6744447895ec249b1b66b26c911fa141 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7ec52527246e0c2b21d5f99803d089c8e92ab93a8e8c3257aadfb838ae0effc [INFO] running `Command { std: "docker" "start" "-a" "e7ec52527246e0c2b21d5f99803d089c8e92ab93a8e8c3257aadfb838ae0effc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking getopts v0.2.19 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling shakmaty v0.15.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking btoi v0.4.0 [INFO] [stderr] Compiling chess v3.1.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking chess_perft v3.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 35 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 35 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 38.37s [INFO] running `Command { std: "docker" "inspect" "e7ec52527246e0c2b21d5f99803d089c8e92ab93a8e8c3257aadfb838ae0effc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7ec52527246e0c2b21d5f99803d089c8e92ab93a8e8c3257aadfb838ae0effc", kill_on_drop: false }` [INFO] [stdout] e7ec52527246e0c2b21d5f99803d089c8e92ab93a8e8c3257aadfb838ae0effc [INFO] checking chess_perft-3.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate chess_perft 3.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate chess_perft 3.1.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] started tweaking crates.io crate chess_perft 3.1.1 [INFO] finished tweaking crates.io crate chess_perft 3.1.1 [INFO] tweaked toml for crates.io crate chess_perft 3.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate chess_perft 3.1.1 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36b67c21293c3dc7cda69c36bac77b4e3d015a5d6534c7f69f5ef6de97abcd6d [INFO] running `Command { std: "docker" "start" "-a" "36b67c21293c3dc7cda69c36bac77b4e3d015a5d6534c7f69f5ef6de97abcd6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36b67c21293c3dc7cda69c36bac77b4e3d015a5d6534c7f69f5ef6de97abcd6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36b67c21293c3dc7cda69c36bac77b4e3d015a5d6534c7f69f5ef6de97abcd6d", kill_on_drop: false }` [INFO] [stdout] 36b67c21293c3dc7cda69c36bac77b4e3d015a5d6534c7f69f5ef6de97abcd6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0392174b6ddf179db3145efa183d96caa89400a19cd5ee93898df52f996f2b8a [INFO] running `Command { std: "docker" "start" "-a" "0392174b6ddf179db3145efa183d96caa89400a19cd5ee93898df52f996f2b8a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling shakmaty v0.15.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking getopts v0.2.19 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking btoi v0.4.0 [INFO] [stderr] Compiling chess v3.1.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking chess_perft v3.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/perft.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/perft.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `chess_perft` (bin "chess_perft" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `chess_perft` (bin "chess_perft") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0392174b6ddf179db3145efa183d96caa89400a19cd5ee93898df52f996f2b8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0392174b6ddf179db3145efa183d96caa89400a19cd5ee93898df52f996f2b8a", kill_on_drop: false }` [INFO] [stdout] 0392174b6ddf179db3145efa183d96caa89400a19cd5ee93898df52f996f2b8a