[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 master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpice-Z%2FRusTetris" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Spice-Z/RusTetris on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Spice-Z/RusTetris already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 863fa452936910c3fbd4c6c47afb46496ac839770c820db9bd3a82273975ea92
[INFO] running `Command { std: "docker" "start" "-a" "863fa452936910c3fbd4c6c47afb46496ac839770c820db9bd3a82273975ea92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "863fa452936910c3fbd4c6c47afb46496ac839770c820db9bd3a82273975ea92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863fa452936910c3fbd4c6c47afb46496ac839770c820db9bd3a82273975ea92", kill_on_drop: false }`
[INFO] [stdout] 863fa452936910c3fbd4c6c47afb46496ac839770c820db9bd3a82273975ea92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da587f2d10de98d260233c3d445099cce922752fdc1e0fa7f8975f414752c98
[INFO] running `Command { std: "docker" "start" "-a" "3da587f2d10de98d260233c3d445099cce922752fdc1e0fa7f8975f414752c98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling numtoa v0.1.0
[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)]` (part of `#[warn(nonstandard_style)]`) 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 `TM_Hit` is never constructed
[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)]` (part of `#[warn(unused)]`) 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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let _ = write!(out, "{}", clear::All);
[INFO] [stdout]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 let _ = write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stdout]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |                             let _ = write!(out, "{}", &self.filled_block);
[INFO] [stdout]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                             let _ = write!(out, "{}", &self.empty_block);
[INFO] [stdout]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let _ = write!(out, "\r\n");
[INFO] [stdout]    |                     +++++++
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 let _ = write!(stdout, "ue");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "3da587f2d10de98d260233c3d445099cce922752fdc1e0fa7f8975f414752c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da587f2d10de98d260233c3d445099cce922752fdc1e0fa7f8975f414752c98", kill_on_drop: false }`
[INFO] [stdout] 3da587f2d10de98d260233c3d445099cce922752fdc1e0fa7f8975f414752c98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db91290f3d0cd5cfee0f91203d943864c9056321304115fdaa8cc375d2c816f
[INFO] running `Command { std: "docker" "start" "-a" "5db91290f3d0cd5cfee0f91203d943864c9056321304115fdaa8cc375d2c816f", 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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]    Compiling rus_tetris v0.1.0 (/opt/rustwide/workdir)
[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 `TM_Hit` is never constructed
[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)]` (part of `#[warn(unused)]`) 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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let _ = write!(out, "{}", clear::All);
[INFO] [stdout]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 let _ = write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stdout]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |                             let _ = write!(out, "{}", &self.filled_block);
[INFO] [stdout]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                             let _ = write!(out, "{}", &self.empty_block);
[INFO] [stdout]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let _ = write!(out, "\r\n");
[INFO] [stdout]    |                     +++++++
[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)]` (part of `#[warn(nonstandard_style)]`) 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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 let _ = write!(stdout, "ue");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TM_Hit` is never constructed
[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)]` (part of `#[warn(unused)]`) 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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let _ = write!(out, "{}", clear::All);
[INFO] [stdout]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 let _ = write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stdout]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |                             let _ = write!(out, "{}", &self.filled_block);
[INFO] [stdout]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                             let _ = write!(out, "{}", &self.empty_block);
[INFO] [stdout]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let _ = write!(out, "\r\n");
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5db91290f3d0cd5cfee0f91203d943864c9056321304115fdaa8cc375d2c816f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db91290f3d0cd5cfee0f91203d943864c9056321304115fdaa8cc375d2c816f", kill_on_drop: false }`
[INFO] [stdout] 5db91290f3d0cd5cfee0f91203d943864c9056321304115fdaa8cc375d2c816f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45343f819ec78c5e6df3c61b37621e8547167897af88f390fedbd4ac6647d0b9
[INFO] running `Command { std: "docker" "start" "-a" "45343f819ec78c5e6df3c61b37621e8547167897af88f390fedbd4ac6647d0b9", 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)]` (part of `#[warn(nonstandard_style)]`) 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 `TM_Hit` is never constructed
[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)]` (part of `#[warn(unused)]`) 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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let _ = write!(out, "{}", clear::All);
[INFO] [stderr]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 let _ = write!(out, "{}", cursor::Goto(1, 1));
[INFO] [stderr]    |                 +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 85 |                             let _ = write!(out, "{}", &self.filled_block);
[INFO] [stderr]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 87 |                             let _ = write!(out, "{}", &self.empty_block);
[INFO] [stderr]    |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     let _ = write!(out, "\r\n");
[INFO] [stderr]    |                     +++++++
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 let _ = write!(stdout, "ue");
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rus_tetris` (bin "main" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rus_tetris-0fd2a4a4f2ea6f8b)
[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 src/bin/main.rs (/opt/rustwide/target/debug/deps/main-426bf2cdb2a5b346)
[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]   --> 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)]` (part of `#[warn(nonstandard_style)]`) 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: 8 warnings emitted
[INFO] [stderr] 
[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" "45343f819ec78c5e6df3c61b37621e8547167897af88f390fedbd4ac6647d0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45343f819ec78c5e6df3c61b37621e8547167897af88f390fedbd4ac6647d0b9", kill_on_drop: false }`
[INFO] [stdout] 45343f819ec78c5e6df3c61b37621e8547167897af88f390fedbd4ac6647d0b9