[INFO] fetching crate mli_mep 0.10.3... [INFO] checking mli_mep-0.10.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mli_mep 0.10.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mli_mep 0.10.3 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] started tweaking crates.io crate mli_mep 0.10.3 [INFO] finished tweaking crates.io crate mli_mep 0.10.3 [INFO] tweaked toml for crates.io crate mli_mep 0.10.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 27 packages [INFO] [stderr] Adding mli v0.10.0 (latest: v0.11.0) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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] Downloading crates ... [INFO] [stderr] Downloaded mli v0.10.0 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b110bc0b85e66ec5df2571984e51f382a81e1365baa2023c121bdc29ab74d1d [INFO] running `Command { std: "docker" "start" "-a" "8b110bc0b85e66ec5df2571984e51f382a81e1365baa2023c121bdc29ab74d1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b110bc0b85e66ec5df2571984e51f382a81e1365baa2023c121bdc29ab74d1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b110bc0b85e66ec5df2571984e51f382a81e1365baa2023c121bdc29ab74d1d", kill_on_drop: false }` [INFO] [stdout] 8b110bc0b85e66ec5df2571984e51f382a81e1365baa2023c121bdc29ab74d1d [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3e7f62fbb035ffb4d9d6f6d3edcc116048715e481dff8260508e8e27dfc9596 [INFO] running `Command { std: "docker" "start" "-a" "b3e7f62fbb035ffb4d9d6f6d3edcc116048715e481dff8260508e8e27dfc9596", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking mli v0.10.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking mli_mep v0.10.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Rand` is imported redundantly [INFO] [stdout] --> src/lib.rs:335:41 [INFO] [stdout] | [INFO] [stdout] 335 | use rand::{Isaac64Rng, SeedableRng, Rand}; [INFO] [stdout] | ^^^^ [INFO] [stdout] 336 | use super::*; [INFO] [stdout] | -------- the item `Rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:253:93 [INFO] [stdout] | [INFO] [stdout] 253 | let primary_op = unsafe { self.mep.program.get_unchecked(op_pos - self.mep.inputs) } [INFO] [stdout] | _____________________________________________________________________________________________^ [INFO] [stdout] 254 | | .clone(); [INFO] [stdout] | |____________________^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Opcode` does not implement `Clone`, so calling `clone` on `&Opcode` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 253 - let primary_op = unsafe { self.mep.program.get_unchecked(op_pos - self.mep.inputs) } [INFO] [stdout] 254 - .clone(); [INFO] [stdout] 253 + let primary_op = unsafe { self.mep.program.get_unchecked(op_pos - self.mep.inputs) }; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Opcode`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 17 + #[derive(Clone)] [INFO] [stdout] 18 | struct Opcode { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:272:88 [INFO] [stdout] | [INFO] [stdout] 272 | let op = unsafe { self.mep.program.get_unchecked(i - self.mep.inputs) }.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Opcode` does not implement `Clone`, so calling `clone` on `&Opcode` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 272 - let op = unsafe { self.mep.program.get_unchecked(i - self.mep.inputs) }.clone(); [INFO] [stdout] 272 + let op = unsafe { self.mep.program.get_unchecked(i - self.mep.inputs) }; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Opcode`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 17 + #[derive(Clone)] [INFO] [stdout] 18 | struct Opcode { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:253:93 [INFO] [stdout] | [INFO] [stdout] 253 | let primary_op = unsafe { self.mep.program.get_unchecked(op_pos - self.mep.inputs) } [INFO] [stdout] | _____________________________________________________________________________________________^ [INFO] [stdout] 254 | | .clone(); [INFO] [stdout] | |____________________^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Opcode` does not implement `Clone`, so calling `clone` on `&Opcode` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 253 - let primary_op = unsafe { self.mep.program.get_unchecked(op_pos - self.mep.inputs) } [INFO] [stdout] 254 - .clone(); [INFO] [stdout] 253 + let primary_op = unsafe { self.mep.program.get_unchecked(op_pos - self.mep.inputs) }; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Opcode`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 17 + #[derive(Clone)] [INFO] [stdout] 18 | struct Opcode { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:272:88 [INFO] [stdout] | [INFO] [stdout] 272 | let op = unsafe { self.mep.program.get_unchecked(i - self.mep.inputs) }.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Opcode` does not implement `Clone`, so calling `clone` on `&Opcode` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 272 - let op = unsafe { self.mep.program.get_unchecked(i - self.mep.inputs) }.clone(); [INFO] [stdout] 272 + let op = unsafe { self.mep.program.get_unchecked(i - self.mep.inputs) }; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Opcode`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 17 + #[derive(Clone)] [INFO] [stdout] 18 | struct Opcode { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "b3e7f62fbb035ffb4d9d6f6d3edcc116048715e481dff8260508e8e27dfc9596", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3e7f62fbb035ffb4d9d6f6d3edcc116048715e481dff8260508e8e27dfc9596", kill_on_drop: false }` [INFO] [stdout] b3e7f62fbb035ffb4d9d6f6d3edcc116048715e481dff8260508e8e27dfc9596