[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cristiandi/course-rust-in-motion 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 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-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a997f82da64c7490a27a3249664f2ee7d2fd4b2ae624213be98fe7bf041d30b4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a997f82da64c7490a27a3249664f2ee7d2fd4b2ae624213be98fe7bf041d30b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a997f82da64c7490a27a3249664f2ee7d2fd4b2ae624213be98fe7bf041d30b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a997f82da64c7490a27a3249664f2ee7d2fd4b2ae624213be98fe7bf041d30b4", kill_on_drop: false }` [INFO] [stdout] a997f82da64c7490a27a3249664f2ee7d2fd4b2ae624213be98fe7bf041d30b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cfc1d794690b2089bb9924cb8a62ad3afdcdc9ac57ca558b4e4052131a13e808 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cfc1d794690b2089bb9924cb8a62ad3afdcdc9ac57ca558b4e4052131a13e808", 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 autocfg v0.1.7 [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 ryu v1.0.5 [INFO] [stderr] Compiling cfg-if v0.1.10 [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 backtrace v0.3.18 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling error-chain v0.12.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling failure v0.1.5 [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] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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 issue #80165 [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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.89s [INFO] running `Command { std: "docker" "inspect" "cfc1d794690b2089bb9924cb8a62ad3afdcdc9ac57ca558b4e4052131a13e808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfc1d794690b2089bb9924cb8a62ad3afdcdc9ac57ca558b4e4052131a13e808", kill_on_drop: false }` [INFO] [stdout] cfc1d794690b2089bb9924cb8a62ad3afdcdc9ac57ca558b4e4052131a13e808 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b34d3a5463ef0628ced1a81a26a7d87faeca7084f46c79ffa0ec2c915d621d58 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b34d3a5463ef0628ced1a81a26a7d87faeca7084f46c79ffa0ec2c915d621d58", 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] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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 issue #80165 [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: 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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.01s [INFO] running `Command { std: "docker" "inspect" "b34d3a5463ef0628ced1a81a26a7d87faeca7084f46c79ffa0ec2c915d621d58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b34d3a5463ef0628ced1a81a26a7d87faeca7084f46c79ffa0ec2c915d621d58", kill_on_drop: false }` [INFO] [stdout] b34d3a5463ef0628ced1a81a26a7d87faeca7084f46c79ffa0ec2c915d621d58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 64103a3ea401db74e5209166392f8e7502d041ad6e1b8feedd284594de3dfbec [INFO] running `Command { std: "docker" "start" "-a" "64103a3ea401db74e5209166392f8e7502d041ad6e1b8feedd284594de3dfbec", 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: 10 warnings emitted [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] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [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: 1 warning emitted [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: 4 warnings emitted [INFO] [stderr] [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-c752a6cc68709c42) [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-b6f5698951200e24) [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-dc4450d18f0fc065) [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-5d7d6a4c0f8c15d1) [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-ff21ac6dde5736e8) [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-f3ea5ed338447170) [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-709224ef4f617b76) [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-f37d6dea3dc096cf) [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-1e063751088edf2c) [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-9e8718fb70d96f59) [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-e3005ccd196b8c32) [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-660785b4b6a14004) [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-b6610eb0113749b0) [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-46dbc975d6fd9939) [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-47d15b85ab020794) [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-a649c97981b2d9d5) [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-a023e8a4cd2fd8c5) [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-aeaeced2892e66a4) [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-00c9bd68eda6cf5b) [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-8aa0fa6e0fc2d399) [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-5662c251407dc413) [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" "64103a3ea401db74e5209166392f8e7502d041ad6e1b8feedd284594de3dfbec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64103a3ea401db74e5209166392f8e7502d041ad6e1b8feedd284594de3dfbec", kill_on_drop: false }` [INFO] [stdout] 64103a3ea401db74e5209166392f8e7502d041ad6e1b8feedd284594de3dfbec