[INFO] fetching crate rsa-rust 0.1.1... [INFO] checking rsa-rust-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rsa-rust 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rsa-rust 0.1.1 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] started tweaking crates.io crate rsa-rust 0.1.1 [INFO] finished tweaking crates.io crate rsa-rust 0.1.1 [INFO] tweaked toml for crates.io crate rsa-rust 0.1.1 written to /workspace/builds/worker-4-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 22 packages [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.1) [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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c871b42cf3dfe5acbf2696064c2133e0acdead44344110d615fa96273f6a6231 [INFO] running `Command { std: "docker" "start" "-a" "c871b42cf3dfe5acbf2696064c2133e0acdead44344110d615fa96273f6a6231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c871b42cf3dfe5acbf2696064c2133e0acdead44344110d615fa96273f6a6231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c871b42cf3dfe5acbf2696064c2133e0acdead44344110d615fa96273f6a6231", kill_on_drop: false }` [INFO] [stdout] c871b42cf3dfe5acbf2696064c2133e0acdead44344110d615fa96273f6a6231 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21d7199788079bc1dd0f7e73c93d7d59b3df85c2e4852aff391eaec345f81289 [INFO] running `Command { std: "docker" "start" "-a" "21d7199788079bc1dd0f7e73c93d7d59b3df85c2e4852aff391eaec345f81289", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking rsa-rust v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/helpers/math.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/helpers/math.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/types.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/helpers/math.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/types.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/helpers/math.rs:55:42 [INFO] [stdout] | [INFO] [stdout] 55 | let discarts: Vec = DISCARTERS.into_iter().map(|x| (proposal % x.to_biguint().unwrap()).is_zero()).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 55 | let discarts: Vec = DISCARTERS.iter().map(|x| (proposal % x.to_biguint().unwrap()).is_zero()).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 55 | let discarts: Vec = IntoIterator::into_iter(DISCARTERS).map(|x| (proposal % x.to_biguint().unwrap()).is_zero()).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/helpers/math.rs:55:42 [INFO] [stdout] | [INFO] [stdout] 55 | let discarts: Vec = DISCARTERS.into_iter().map(|x| (proposal % x.to_biguint().unwrap()).is_zero()).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 55 | let discarts: Vec = DISCARTERS.iter().map(|x| (proposal % x.to_biguint().unwrap()).is_zero()).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 55 | let discarts: Vec = IntoIterator::into_iter(DISCARTERS).map(|x| (proposal % x.to_biguint().unwrap()).is_zero()).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "21d7199788079bc1dd0f7e73c93d7d59b3df85c2e4852aff391eaec345f81289", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21d7199788079bc1dd0f7e73c93d7d59b3df85c2e4852aff391eaec345f81289", kill_on_drop: false }` [INFO] [stdout] 21d7199788079bc1dd0f7e73c93d7d59b3df85c2e4852aff391eaec345f81289