[INFO] fetching crate chess_perft 3.1.1... [INFO] checking chess_perft-3.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate chess_perft 3.1.1 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate chess_perft 3.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-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-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arrayvec v0.4.10 [INFO] [stderr] Downloaded nodrop v0.1.13 [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] [stderr] Downloaded version_check v0.9.1 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded getopts v0.2.19 [INFO] [stderr] Downloaded btoi v0.4.0 [INFO] [stderr] Downloaded autocfg v0.1.1 [INFO] [stderr] Downloaded bencher v0.1.5 [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded failure v0.1.5 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded backtrace v0.3.26 [INFO] [stderr] Downloaded shakmaty v0.15.0 [INFO] [stderr] Downloaded libc v0.2.55 [INFO] [stderr] Downloaded backtrace-sys v0.1.28 [INFO] [stderr] Downloaded syn v0.15.34 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded chess v3.1.1 [INFO] [stderr] Downloaded num-traits v0.2.4 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded unicode-width v0.1.5 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e04480d0dff7f3ec533f92b90e256a1f300e2febb65d020f85b781012c32abc8 [INFO] running `Command { std: "docker" "start" "-a" "e04480d0dff7f3ec533f92b90e256a1f300e2febb65d020f85b781012c32abc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e04480d0dff7f3ec533f92b90e256a1f300e2febb65d020f85b781012c32abc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e04480d0dff7f3ec533f92b90e256a1f300e2febb65d020f85b781012c32abc8", kill_on_drop: false }` [INFO] [stdout] e04480d0dff7f3ec533f92b90e256a1f300e2febb65d020f85b781012c32abc8 [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=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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e331617f8003e6368b63968eb061ffbf87a2eed74a9b851be7c954189b782b7c [INFO] running `Command { std: "docker" "start" "-a" "e331617f8003e6368b63968eb061ffbf87a2eed74a9b851be7c954189b782b7c", 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 bitflags v1.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking nodrop v0.1.13 [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] Compiling quote v0.6.12 [INFO] [stderr] Checking getopts v0.2.19 [INFO] [stderr] Compiling shakmaty v0.15.0 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling rand v0.4.2 [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 54.30s [INFO] running `Command { std: "docker" "inspect" "e331617f8003e6368b63968eb061ffbf87a2eed74a9b851be7c954189b782b7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e331617f8003e6368b63968eb061ffbf87a2eed74a9b851be7c954189b782b7c", kill_on_drop: false }` [INFO] [stdout] e331617f8003e6368b63968eb061ffbf87a2eed74a9b851be7c954189b782b7c