[INFO] updating cached repository https://github.com/Cristiandi/course-rust-in-motion
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3d0eb4cb36d0f8f056a2a56268d41168f3cdd9a
[INFO] checking Cristiandi/course-rust-in-motion against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cristiandi/course-rust-in-motion on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/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 `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f59aa756ab3d0e93a30c63cb7de67f9178746be9b68350f019443e04da32476e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f59aa756ab3d0e93a30c63cb7de67f9178746be9b68350f019443e04da32476e"`
[INFO] [stderr]     Checking myproject v0.1.0 (/opt/rustwide/workdir)
[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: 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: `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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings 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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "f59aa756ab3d0e93a30c63cb7de67f9178746be9b68350f019443e04da32476e"`
[INFO] running `"docker" "rm" "-f" "f59aa756ab3d0e93a30c63cb7de67f9178746be9b68350f019443e04da32476e"`
[INFO] [stdout] f59aa756ab3d0e93a30c63cb7de67f9178746be9b68350f019443e04da32476e