[INFO] cloning repository https://github.com/Spice-Z/RusTetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spice-Z/RusTetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpice-Z%2FRusTetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpice-Z%2FRusTetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 350dfd2a08e10679393b203ee597ce1996222447
[INFO] testing Spice-Z/RusTetris against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpice-Z%2FRusTetris" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Spice-Z/RusTetris on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Spice-Z/RusTetris
[INFO] finished tweaking git repo https://github.com/Spice-Z/RusTetris
[INFO] tweaked toml for git repo https://github.com/Spice-Z/RusTetris written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Spice-Z/RusTetris already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 000d0dfb5a188c3fff6bce4749a404c31ba4912bdee9b415fd03f36d3ec61441
[INFO] running `Command { std: "docker" "start" "-a" "000d0dfb5a188c3fff6bce4749a404c31ba4912bdee9b415fd03f36d3ec61441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000d0dfb5a188c3fff6bce4749a404c31ba4912bdee9b415fd03f36d3ec61441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000d0dfb5a188c3fff6bce4749a404c31ba4912bdee9b415fd03f36d3ec61441", kill_on_drop: false }`
[INFO] [stdout] 000d0dfb5a188c3fff6bce4749a404c31ba4912bdee9b415fd03f36d3ec61441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d72cc2889c05b8c5f76f65cf00d4eec8e293278bc26ea9e1b58689eac63adc12
[INFO] running `Command { std: "docker" "start" "-a" "d72cc2889c05b8c5f76f65cf00d4eec8e293278bc26ea9e1b58689eac63adc12", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rus_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Tm_Direction` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Tm_Direction {
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TmDirection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `head` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     head,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     right,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bottom` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bottom,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Bottom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     left,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TM_Hit` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct TM_Hit {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to upper camel case: `TmHit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     r,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `l` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     l,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TM_Hit`
[INFO] [stdout]   --> src/stage.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct TM_Hit {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 write!(out, "{}", clear::All);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   write!(out, "{}", &self.filled_block);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   write!(out, "{}", &self.empty_block);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     write!(out, "\r\n");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 write!(stdout, "ue");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "d72cc2889c05b8c5f76f65cf00d4eec8e293278bc26ea9e1b58689eac63adc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72cc2889c05b8c5f76f65cf00d4eec8e293278bc26ea9e1b58689eac63adc12", kill_on_drop: false }`
[INFO] [stdout] d72cc2889c05b8c5f76f65cf00d4eec8e293278bc26ea9e1b58689eac63adc12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad3bd1641b7ffb9366a25532964e6c323fbffb952f3820bc977fa0cea3e2f943
[INFO] running `Command { std: "docker" "start" "-a" "ad3bd1641b7ffb9366a25532964e6c323fbffb952f3820bc977fa0cea3e2f943", kill_on_drop: false }`
[INFO] [stdout] warning: type `Tm_Direction` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Tm_Direction {
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TmDirection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `head` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     head,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     right,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bottom` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bottom,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Bottom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     left,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TM_Hit` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct TM_Hit {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to upper camel case: `TmHit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     r,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `l` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     l,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TM_Hit`
[INFO] [stdout]   --> src/stage.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct TM_Hit {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 write!(out, "{}", clear::All);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rus_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   write!(out, "{}", &self.filled_block);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   write!(out, "{}", &self.empty_block);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     write!(out, "\r\n");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Tm_Direction` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Tm_Direction {
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TmDirection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `head` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     head,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     right,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bottom` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bottom,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Bottom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     left,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TM_Hit` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct TM_Hit {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to upper camel case: `TmHit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     r,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `l` should have an upper camel case name
[INFO] [stdout]   --> src/stage.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     l,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 write!(stdout, "ue");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TM_Hit`
[INFO] [stdout]   --> src/stage.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct TM_Hit {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 write!(out, "{}", clear::All);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   write!(out, "{}", &self.filled_block);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   write!(out, "{}", &self.empty_block);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stage.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     write!(out, "\r\n");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "ad3bd1641b7ffb9366a25532964e6c323fbffb952f3820bc977fa0cea3e2f943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3bd1641b7ffb9366a25532964e6c323fbffb952f3820bc977fa0cea3e2f943", kill_on_drop: false }`
[INFO] [stdout] ad3bd1641b7ffb9366a25532964e6c323fbffb952f3820bc977fa0cea3e2f943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e300393c58614dbe5b711965d0cd73890c7f9c64190587dca1d4b6705a1241e
[INFO] running `Command { std: "docker" "start" "-a" "6e300393c58614dbe5b711965d0cd73890c7f9c64190587dca1d4b6705a1241e", kill_on_drop: false }`
[INFO] [stderr] warning: type `Tm_Direction` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub enum Tm_Direction {
[INFO] [stderr]    |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TmDirection`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `head` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     head,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `right` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     right,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `bottom` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     bottom,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Bottom`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `left` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     left,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stderr] 
[INFO] [stderr] warning: type `TM_Hit` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct TM_Hit {
[INFO] [stderr]    |        ^^^^^^ help: convert the identifier to upper camel case: `TmHit`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     r,
[INFO] [stderr]    |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `l` should have an upper camel case name
[INFO] [stderr]   --> src/stage.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     l,
[INFO] [stderr]    |     ^ help: convert the identifier to upper camel case: `L`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TM_Hit`
[INFO] [stderr]   --> src/stage.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct TM_Hit {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/stage.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 write!(out, "{}", clear::All);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/stage.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/stage.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 | ...                   write!(out, "{}", &self.filled_block);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/stage.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...                   write!(out, "{}", &self.empty_block);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/stage.rs:90:21
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     write!(out, "\r\n");
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rus_tetris` (lib) generated 14 warnings
[INFO] [stderr] warning: `rus_tetris` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/main.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 write!(stdout, "ue");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rus_tetris` (bin "main" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rus_tetris-45ded4109217b697)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-c168410fec6d75f9)
[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] [stderr]    Doc-tests rus_tetris
[INFO] [stderr] warning: type `Tm_Direction` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub enum Tm_Direction {
[INFO] [stderr]    |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TmDirection`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `head` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     head,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `right` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     right,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `bottom` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     bottom,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Bottom`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `left` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     left,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stderr] 
[INFO] [stderr] warning: type `TM_Hit` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct TM_Hit {
[INFO] [stderr]    |        ^^^^^^ help: convert the identifier to upper camel case: `TmHit`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     r,
[INFO] [stderr]    |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `l` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/stage.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     l,
[INFO] [stderr]    |     ^ help: convert the identifier to upper camel case: `L`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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" "6e300393c58614dbe5b711965d0cd73890c7f9c64190587dca1d4b6705a1241e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e300393c58614dbe5b711965d0cd73890c7f9c64190587dca1d4b6705a1241e", kill_on_drop: false }`
[INFO] [stdout] 6e300393c58614dbe5b711965d0cd73890c7f9c64190587dca1d4b6705a1241e