[INFO] fetching crate piston-rect 0.3.0... [INFO] testing piston-rect-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate piston-rect 0.3.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate piston-rect 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate piston-rect 0.3.0 [INFO] finished tweaking crates.io crate piston-rect 0.3.0 [INFO] tweaked toml for crates.io crate piston-rect 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24ea732ee9901d917f0083753306f0d3b559b966a8d794bf9f59a9d52fc6c719 [INFO] running `Command { std: "docker" "start" "-a" "24ea732ee9901d917f0083753306f0d3b559b966a8d794bf9f59a9d52fc6c719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24ea732ee9901d917f0083753306f0d3b559b966a8d794bf9f59a9d52fc6c719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24ea732ee9901d917f0083753306f0d3b559b966a8d794bf9f59a9d52fc6c719", kill_on_drop: false }` [INFO] [stdout] 24ea732ee9901d917f0083753306f0d3b559b966a8d794bf9f59a9d52fc6c719 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43c0c36e3f76f9ed93955a0f0b94f9150b17f2f9bb6f2d808e249e928efc7753 [INFO] running `Command { std: "docker" "start" "-a" "43c0c36e3f76f9ed93955a0f0b94f9150b17f2f9bb6f2d808e249e928efc7753", kill_on_drop: false }` [INFO] [stderr] Compiling piston-float v1.0.0 [INFO] [stderr] Compiling piston-rect v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:35 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:49 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:63 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "43c0c36e3f76f9ed93955a0f0b94f9150b17f2f9bb6f2d808e249e928efc7753", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43c0c36e3f76f9ed93955a0f0b94f9150b17f2f9bb6f2d808e249e928efc7753", kill_on_drop: false }` [INFO] [stdout] 43c0c36e3f76f9ed93955a0f0b94f9150b17f2f9bb6f2d808e249e928efc7753 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37b6ba6a8563e22b1ccd88327b44a57de1d865adf4e42cc23921e0a9e6b18d91 [INFO] running `Command { std: "docker" "start" "-a" "37b6ba6a8563e22b1ccd88327b44a57de1d865adf4e42cc23921e0a9e6b18d91", kill_on_drop: false }` [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:35 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling piston-rect v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:49 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:63 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:35 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:49 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:14:63 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "37b6ba6a8563e22b1ccd88327b44a57de1d865adf4e42cc23921e0a9e6b18d91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37b6ba6a8563e22b1ccd88327b44a57de1d865adf4e42cc23921e0a9e6b18d91", kill_on_drop: false }` [INFO] [stdout] 37b6ba6a8563e22b1ccd88327b44a57de1d865adf4e42cc23921e0a9e6b18d91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 94a7be34a028035e31707f642ece6c1df7f6508aecffb72e09a88c4601df355c [INFO] running `Command { std: "docker" "start" "-a" "94a7be34a028035e31707f642ece6c1df7f6508aecffb72e09a88c4601df355c", kill_on_drop: false }` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:21 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:35 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:49 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:63 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:21 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:35 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:49 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:14:63 [INFO] [stderr] | [INFO] [stderr] 14 | fn from_x_y_w_h(Self::Scalar, Self::Scalar, Self::Scalar, Self::Scalar) [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Scalar` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rect-48b00b3f5e2894fe) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::is_empty ... ok [INFO] [stdout] test tests::margin ... ok [INFO] [stdout] test tests::split_left ... ok [INFO] [stdout] test tests::split_top ... ok [INFO] [stdout] test tests::xywh ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rect [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "94a7be34a028035e31707f642ece6c1df7f6508aecffb72e09a88c4601df355c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94a7be34a028035e31707f642ece6c1df7f6508aecffb72e09a88c4601df355c", kill_on_drop: false }` [INFO] [stdout] 94a7be34a028035e31707f642ece6c1df7f6508aecffb72e09a88c4601df355c