[INFO] cloning repository https://github.com/Xiaobin0860/rust-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiaobin0860/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aaabedcb3384c8c5e4ae64556142a966fc3a0ba5 [INFO] testing Xiaobin0860/rust-demo against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust-demo" "/workspace/builds/worker-63/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiaobin0860/rust-demo on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xiaobin0860/rust-demo [INFO] finished tweaking git repo https://github.com/Xiaobin0860/rust-demo [INFO] tweaked toml for git repo https://github.com/Xiaobin0860/rust-demo written to /workspace/builds/worker-63/source/Cargo.toml [INFO] crate git repo https://github.com/Xiaobin0860/rust-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eff45e7b7ce94cd53e5aa59876712af7a3221b9bdbc43dec9070be563bda0d22 [INFO] running `Command { std: "docker" "start" "-a" "eff45e7b7ce94cd53e5aa59876712af7a3221b9bdbc43dec9070be563bda0d22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eff45e7b7ce94cd53e5aa59876712af7a3221b9bdbc43dec9070be563bda0d22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eff45e7b7ce94cd53e5aa59876712af7a3221b9bdbc43dec9070be563bda0d22", kill_on_drop: false }` [INFO] [stdout] eff45e7b7ce94cd53e5aa59876712af7a3221b9bdbc43dec9070be563bda0d22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a3e5c0a114750fb11c61065c223d18097f71f1780ba593a2ddde1741a753594 [INFO] running `Command { std: "docker" "start" "-a" "6a3e5c0a114750fb11c61065c223d18097f71f1780ba593a2ddde1741a753594", kill_on_drop: false }` [INFO] [stderr] Compiling basic v0.1.0 (/opt/rustwide/workdir/basic) [INFO] [stderr] Compiling ds v0.1.0 (/opt/rustwide/workdir/ds) [INFO] [stderr] Compiling common_traits v0.1.0 (/opt/rustwide/workdir/common_traits) [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stderr] Compiling smart-pointer v0.1.0 (/opt/rustwide/workdir/smart-pointer) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> ds/src/shap.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | let shapes: [&Shape; 3] = [ [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Shape` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> adder/src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | v: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> basic/src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> basic/src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | age: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> common_traits/src/dv.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> common_traits/src/dv.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | age: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> common_traits/src/dv.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | title: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `role` [INFO] [stdout] --> common_traits/src/dv.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | role: Role, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `skills` [INFO] [stdout] --> common_traits/src/dv.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | skills: HashMap, u8>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> common_traits/src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | x: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> common_traits/src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | y: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "6a3e5c0a114750fb11c61065c223d18097f71f1780ba593a2ddde1741a753594", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a3e5c0a114750fb11c61065c223d18097f71f1780ba593a2ddde1741a753594", kill_on_drop: false }` [INFO] [stdout] 6a3e5c0a114750fb11c61065c223d18097f71f1780ba593a2ddde1741a753594 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1e5f7c1464514edbaea93eeaa64f7b5ac397e559e0ec8886e6319be8e0c84d5 [INFO] running `Command { std: "docker" "start" "-a" "b1e5f7c1464514edbaea93eeaa64f7b5ac397e559e0ec8886e6319be8e0c84d5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> adder/src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | v: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling smart-pointer v0.1.0 (/opt/rustwide/workdir/smart-pointer) [INFO] [stderr] Compiling ds v0.1.0 (/opt/rustwide/workdir/ds) [INFO] [stderr] Compiling common_traits v0.1.0 (/opt/rustwide/workdir/common_traits) [INFO] [stderr] Compiling basic v0.1.0 (/opt/rustwide/workdir/basic) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> ds/src/shap.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | let shapes: [&Shape; 3] = [ [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Shape` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> adder/src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | v: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> basic/src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> basic/src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | age: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> common_traits/src/dv.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> common_traits/src/dv.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | age: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> common_traits/src/dv.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | title: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `role` [INFO] [stdout] --> common_traits/src/dv.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | role: Role, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `skills` [INFO] [stdout] --> common_traits/src/dv.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | skills: HashMap, u8>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> common_traits/src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | x: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> common_traits/src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | y: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [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 test [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "b1e5f7c1464514edbaea93eeaa64f7b5ac397e559e0ec8886e6319be8e0c84d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1e5f7c1464514edbaea93eeaa64f7b5ac397e559e0ec8886e6319be8e0c84d5", kill_on_drop: false }` [INFO] [stdout] b1e5f7c1464514edbaea93eeaa64f7b5ac397e559e0ec8886e6319be8e0c84d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 15f4e614c2462469c14b75a0ed2d37ee276e3b2bd820ea7c0ff767f1ffc78665 [INFO] running `Command { std: "docker" "start" "-a" "15f4e614c2462469c14b75a0ed2d37ee276e3b2bd820ea7c0ff767f1ffc78665", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> adder/src/lib.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | v: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `adder` (lib) generated 1 warning [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> common_traits/src/dv.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | name: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `age` [INFO] [stderr] --> common_traits/src/dv.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | age: u8, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `title` [INFO] [stderr] --> common_traits/src/dv.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | title: Box, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `role` [INFO] [stderr] --> common_traits/src/dv.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | role: Role, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `skills` [INFO] [stderr] --> common_traits/src/dv.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | skills: HashMap, u8>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> common_traits/src/main.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | x: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> common_traits/src/main.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | y: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> basic/src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | name: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `age` [INFO] [stderr] --> basic/src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | age: u8, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> ds/src/shap.rs:55:19 [INFO] [stderr] | [INFO] [stderr] 55 | let shapes: [&Shape; 3] = [ [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Shape` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `common_traits` (bin "common_traits" test) generated 7 warnings [INFO] [stderr] warning: `basic` (bin "basic" test) generated 2 warnings [INFO] [stderr] warning: `adder` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `ds` (bin "ds" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/adder-f267b96be6b59919) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::it_adds_two ... ok [INFO] [stdout] test tests::greeting_contains_name ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::larger_can_hold_smaller ... ok [INFO] [stdout] test tests::smaller_cannot_hold_larger ... ok [INFO] [stdout] test tests::greater_than_100 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/basic-bfe586b8843f785f) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/common_traits-74679a9a31d3fda4) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ds-42288d240c113587) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/smart_pointer-ebe1cffc01619262) [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] [stderr] Doc-tests adder [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] [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" "15f4e614c2462469c14b75a0ed2d37ee276e3b2bd820ea7c0ff767f1ffc78665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15f4e614c2462469c14b75a0ed2d37ee276e3b2bd820ea7c0ff767f1ffc78665", kill_on_drop: false }` [INFO] [stdout] 15f4e614c2462469c14b75a0ed2d37ee276e3b2bd820ea7c0ff767f1ffc78665