[INFO] cloning repository https://github.com/Cristiandi/course-rust-in-motion [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cristiandi/course-rust-in-motion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 812eadf4584a270a9207a8e3797e5afc88d2993b [INFO] testing Cristiandi/course-rust-in-motion against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cristiandi/course-rust-in-motion on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Cristiandi/course-rust-in-motion [INFO] finished tweaking git repo https://github.com/Cristiandi/course-rust-in-motion [INFO] tweaked toml for git repo https://github.com/Cristiandi/course-rust-in-motion written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/Cristiandi/course-rust-in-motion already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded error-chain v0.12.0 [INFO] [stderr] Downloaded backtrace v0.3.18 [INFO] [stderr] Downloaded backtrace-sys v0.1.37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b3a3fa324afe8d8341348fb4afd1759c8f6c968900e20d3713a28dc6aecf011 [INFO] running `Command { std: "docker" "start" "-a" "1b3a3fa324afe8d8341348fb4afd1759c8f6c968900e20d3713a28dc6aecf011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b3a3fa324afe8d8341348fb4afd1759c8f6c968900e20d3713a28dc6aecf011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b3a3fa324afe8d8341348fb4afd1759c8f6c968900e20d3713a28dc6aecf011", kill_on_drop: false }` [INFO] [stdout] 1b3a3fa324afe8d8341348fb4afd1759c8f6c968900e20d3713a28dc6aecf011 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76938c6a812af9617bb2cdb353d4fe66280f238b89c525e9c2c7d805d49e5df8 [INFO] running `Command { std: "docker" "start" "-a" "76938c6a812af9617bb2cdb353d4fe66280f238b89c525e9c2c7d805d49e5df8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling backtrace v0.3.18 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling error-chain v0.12.0 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling myproject v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/09_methods.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/09_methods.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/09_methods.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/unit-1/09_methods.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | number: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `clock` [INFO] [stdout] --> src/unit-1/08_structs.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let clock = Clock::Analog { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_clock` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/08_structs.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 2 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/08_structs.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/08_structs.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `position` [INFO] [stdout] --> src/unit-1/08_structs.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 12 | position: HockeyPosition, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sundial` [INFO] [stdout] --> src/unit-1/08_structs.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | Sundial { hours: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Digital` [INFO] [stdout] --> src/unit-1/08_structs.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 18 | Digital { hours: u8, minutes: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hours` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `minutes` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `seconds` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:36 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/unit-3/07_2_failure.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/unit-3/04_2_use_q_mark_main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 1 - fn main() -> Result<(), Box> { [INFO] [stdout] 1 + fn main() -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Version` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `login` [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | login: String [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.64s [INFO] running `Command { std: "docker" "inspect" "76938c6a812af9617bb2cdb353d4fe66280f238b89c525e9c2c7d805d49e5df8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76938c6a812af9617bb2cdb353d4fe66280f238b89c525e9c2c7d805d49e5df8", kill_on_drop: false }` [INFO] [stdout] 76938c6a812af9617bb2cdb353d4fe66280f238b89c525e9c2c7d805d49e5df8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 429978548bb0035993e8f1fdf7569e3752e2d856f43150723afcfca3f3f2ca9a [INFO] running `Command { std: "docker" "start" "-a" "429978548bb0035993e8f1fdf7569e3752e2d856f43150723afcfca3f3f2ca9a", kill_on_drop: false }` [INFO] [stderr] Compiling myproject v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/unit-3/04_2_use_q_mark_main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 1 - fn main() -> Result<(), Box> { [INFO] [stdout] 1 + fn main() -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/09_methods.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/09_methods.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/09_methods.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/unit-1/09_methods.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | number: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `clock` [INFO] [stdout] --> src/unit-1/08_structs.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let clock = Clock::Analog { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_clock` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/08_structs.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 2 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/08_structs.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/08_structs.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `position` [INFO] [stdout] --> src/unit-1/08_structs.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 12 | position: HockeyPosition, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sundial` [INFO] [stdout] --> src/unit-1/08_structs.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | Sundial { hours: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Digital` [INFO] [stdout] --> src/unit-1/08_structs.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 18 | Digital { hours: u8, minutes: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hours` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `minutes` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `seconds` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:36 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/unit-3/07_2_failure.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Version` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `login` [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | login: String [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/unit-3/08_3_map_trans_ok_or_some.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "429978548bb0035993e8f1fdf7569e3752e2d856f43150723afcfca3f3f2ca9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "429978548bb0035993e8f1fdf7569e3752e2d856f43150723afcfca3f3f2ca9a", kill_on_drop: false }` [INFO] [stdout] 429978548bb0035993e8f1fdf7569e3752e2d856f43150723afcfca3f3f2ca9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8125af4d8336aee231ff0cd4367d4de1bfcbb6ef8bd992f4b5bc39ce1b6489cc [INFO] running `Command { std: "docker" "start" "-a" "8125af4d8336aee231ff0cd4367d4de1bfcbb6ef8bd992f4b5bc39ce1b6489cc", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `clock` [INFO] [stderr] --> src/unit-1/08_structs.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let clock = Clock::Analog { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_clock` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Center` [INFO] [stderr] --> src/unit-1/08_structs.rs:2:3 [INFO] [stderr] | [INFO] [stderr] 2 | Center, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Defense` [INFO] [stderr] --> src/unit-1/08_structs.rs:4:3 [INFO] [stderr] | [INFO] [stderr] 4 | Defense, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Goalie` [INFO] [stderr] --> src/unit-1/08_structs.rs:5:3 [INFO] [stderr] | [INFO] [stderr] 5 | Goalie, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `position` [INFO] [stderr] --> src/unit-1/08_structs.rs:12:3 [INFO] [stderr] | [INFO] [stderr] 12 | position: HockeyPosition, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Sundial` [INFO] [stderr] --> src/unit-1/08_structs.rs:17:3 [INFO] [stderr] | [INFO] [stderr] 17 | Sundial { hours: u8 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Digital` [INFO] [stderr] --> src/unit-1/08_structs.rs:18:3 [INFO] [stderr] | [INFO] [stderr] 18 | Digital { hours: u8, minutes: u8 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `hours` [INFO] [stderr] --> src/unit-1/08_structs.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `minutes` [INFO] [stderr] --> src/unit-1/08_structs.rs:19:23 [INFO] [stderr] | [INFO] [stderr] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `seconds` [INFO] [stderr] --> src/unit-1/08_structs.rs:19:36 [INFO] [stderr] | [INFO] [stderr] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/unit-3/07_2_failure.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/unit-3/04_2_use_q_mark_main.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 1 - fn main() -> Result<(), Box> { [INFO] [stderr] 1 + fn main() -> Result<(), Box> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Center` [INFO] [stderr] --> src/unit-1/09_methods.rs:3:3 [INFO] [stderr] | [INFO] [stderr] 3 | Center, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Defense` [INFO] [stderr] --> src/unit-1/09_methods.rs:5:3 [INFO] [stderr] | [INFO] [stderr] 5 | Defense, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Goalie` [INFO] [stderr] --> src/unit-1/09_methods.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | Goalie, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `number` [INFO] [stderr] --> src/unit-1/09_methods.rs:11:3 [INFO] [stderr] | [INFO] [stderr] 11 | number: u8, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/unit-3/08_3_map_trans_ok_or_some.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | id: i32, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Version` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/unit-3/08_3_map_trans_ok_or_some.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/unit-3/08_3_map_trans_ok_or_some.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | id: i32, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/unit-3/08_3_map_trans_ok_or_some.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `login` [INFO] [stderr] --> src/unit-3/08_3_map_trans_ok_or_some.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | login: String [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/unit-3/08_3_map_trans_ok_or_some.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `myproject` (bin "sturcts" test) generated 10 warnings [INFO] [stderr] warning: `myproject` (bin "error-handling-crates" test) generated 1 warning [INFO] [stderr] warning: `myproject` (bin "writing-a-function-that-returns-a-result-and-using-the-question-mark-operator" test) generated 1 warning [INFO] [stderr] warning: `myproject` (bin "methods" test) generated 4 warnings [INFO] [stderr] warning: `myproject` (bin "useful-methods-on-result-and-option" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/advantages_of_rusts_error_handling_strategy-f5d92bcaa7c26e10) [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/an_exploration_of_concrete_lifetimes-4643f3a4cf507b6e) [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/borrowing-3079c5c1c4e36ba7) [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/borrowing_and_mutability-46a3a4db88bce62b) [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/borrowing_code_patterns-2a12a0383808bea9) [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/control_flow-d15a416f7a3251b8) [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/custom_error_types-6ee3fd3cdf174447) [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/data_types-76cbb1234e329b4f) [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/enums-4865ff04c50f4cf8) [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/error_handling_crates-e295e7dd3d64dc09) [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/functions-5b644495400cf1d3) [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/handling_results_and_options-d18cb66c59d7bcc1) [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/methods-abb1af513da7f96e) [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/ownership-220fb6310daa8337) [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/ownership_of_more_than_just_memory-05cc9e101abdfaca) [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/panicking_when_something_goes_wrong-9d4c1df2c16c7aeb) [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/slices-d2c49d7447be5c01) [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/sturcts-e038e983d71128e4) [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/useful_methods_on_result_and_option-fca94619d6ccfdd4) [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/variables-091f241f40c6060f) [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/writing_a_function_that_returns_a_result_and_using_the_question_mark_operator-a0cdfb82ce1fc3b8) [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" "8125af4d8336aee231ff0cd4367d4de1bfcbb6ef8bd992f4b5bc39ce1b6489cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8125af4d8336aee231ff0cd4367d4de1bfcbb6ef8bd992f4b5bc39ce1b6489cc", kill_on_drop: false }` [INFO] [stdout] 8125af4d8336aee231ff0cd4367d4de1bfcbb6ef8bd992f4b5bc39ce1b6489cc