[INFO] fetching crate hex2d-dpcext 0.1.0... [INFO] checking hex2d-dpcext-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate hex2d-dpcext 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate hex2d-dpcext 0.1.0 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 hex2d-dpcext 0.1.0 [INFO] finished tweaking crates.io crate hex2d-dpcext 0.1.0 [INFO] tweaked toml for crates.io crate hex2d-dpcext 0.1.0 written to /workspace/builds/worker-2-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 32 packages [INFO] [stderr] Adding hex2d v0.1.0 (latest: v1.1.0) [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] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 hex2d v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 47f412a44c695e3ae348ad4e48574488cf7fa45301908878a12de4ce5b4218c6 [INFO] running `Command { std: "docker" "start" "-a" "47f412a44c695e3ae348ad4e48574488cf7fa45301908878a12de4ce5b4218c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47f412a44c695e3ae348ad4e48574488cf7fa45301908878a12de4ce5b4218c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47f412a44c695e3ae348ad4e48574488cf7fa45301908878a12de4ce5b4218c6", kill_on_drop: false }` [INFO] [stdout] 47f412a44c695e3ae348ad4e48574488cf7fa45301908878a12de4ce5b4218c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b04c3f2176be0a0e2c01fe5490708505589574e2fd3d312b35297b62f2a378e5 [INFO] running `Command { std: "docker" "start" "-a" "b04c3f2176be0a0e2c01fe5490708505589574e2fd3d312b35297b62f2a378e5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking hex2d v0.1.0 [INFO] [stderr] Checking hex2d-dpcext v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 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 5.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hex2d v0.1.0, 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 1` [INFO] running `Command { std: "docker" "inspect" "b04c3f2176be0a0e2c01fe5490708505589574e2fd3d312b35297b62f2a378e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b04c3f2176be0a0e2c01fe5490708505589574e2fd3d312b35297b62f2a378e5", kill_on_drop: false }` [INFO] [stdout] b04c3f2176be0a0e2c01fe5490708505589574e2fd3d312b35297b62f2a378e5 [INFO] checking hex2d-dpcext-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate hex2d-dpcext 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate hex2d-dpcext 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hex2d-dpcext 0.1.0 [INFO] finished tweaking crates.io crate hex2d-dpcext 0.1.0 [INFO] tweaked toml for crates.io crate hex2d-dpcext 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 32 packages [INFO] [stderr] Adding hex2d v0.1.0 (latest: v1.1.0) [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] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af341c4c0e5e56a62a412cd4826d8a4bf516e47a44e61b120df2d24dd728823a [INFO] running `Command { std: "docker" "start" "-a" "af341c4c0e5e56a62a412cd4826d8a4bf516e47a44e61b120df2d24dd728823a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af341c4c0e5e56a62a412cd4826d8a4bf516e47a44e61b120df2d24dd728823a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af341c4c0e5e56a62a412cd4826d8a4bf516e47a44e61b120df2d24dd728823a", kill_on_drop: false }` [INFO] [stdout] af341c4c0e5e56a62a412cd4826d8a4bf516e47a44e61b120df2d24dd728823a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf219c1179ec2334b384874ac353049b143a4736c70b8251f39e1c87402cd756 [INFO] running `Command { std: "docker" "start" "-a" "cf219c1179ec2334b384874ac353049b143a4736c70b8251f39e1c87402cd756", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking hex2d v0.1.0 [INFO] [stderr] Checking hex2d-dpcext v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hex2d` is imported redundantly [INFO] [stdout] --> src/algo.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | use hex2d; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate hex2d; [INFO] [stdout] | ------------------- the item `hex2d` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 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 6.64s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hex2d v0.1.0, 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 1` [INFO] running `Command { std: "docker" "inspect" "cf219c1179ec2334b384874ac353049b143a4736c70b8251f39e1c87402cd756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf219c1179ec2334b384874ac353049b143a4736c70b8251f39e1c87402cd756", kill_on_drop: false }` [INFO] [stdout] cf219c1179ec2334b384874ac353049b143a4736c70b8251f39e1c87402cd756