[INFO] cloning repository https://github.com/Flimster/r_text
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flimster/r_text" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Fr_text", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Fr_text'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bb5a2a9a98e5999a0354fc9d1c77de8238fff51
[INFO] testing Flimster/r_text against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Fr_text" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Flimster/r_text on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Flimster/r_text
[INFO] finished tweaking git repo https://github.com/Flimster/r_text
[INFO] tweaked toml for git repo https://github.com/Flimster/r_text written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Flimster/r_text already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 411a1cd7208b289ce6c168212c6fbcbf1b1dfb42e9f82a032aab1bccd8640628
[INFO] running `Command { std: "docker" "start" "-a" "411a1cd7208b289ce6c168212c6fbcbf1b1dfb42e9f82a032aab1bccd8640628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411a1cd7208b289ce6c168212c6fbcbf1b1dfb42e9f82a032aab1bccd8640628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411a1cd7208b289ce6c168212c6fbcbf1b1dfb42e9f82a032aab1bccd8640628", kill_on_drop: false }`
[INFO] [stdout] 411a1cd7208b289ce6c168212c6fbcbf1b1dfb42e9f82a032aab1bccd8640628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d710d8e43bc669096e2199f59c3f2797b77e9f06e779c3a5880b81b362355aeb
[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" "d710d8e43bc669096e2199f59c3f2797b77e9f06e779c3a5880b81b362355aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling r_text v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (horizontal, vertical) = terminal_size().unwrap();
[INFO] [stdout]    |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertical`
[INFO] [stdout]   --> src/main.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (horizontal, vertical) = terminal_size().unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut stdout = stdout().into_raw_mode().unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn draw_to_screen(mut screen: &mut AlternateScreen<RawTerminal<Stdout>>, lines: Vec<Vec<u8>>, x: usize, y: usize) {
[INFO] [stdout]     |                   ----^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut b = String::from_utf8(item.clone()).unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "d710d8e43bc669096e2199f59c3f2797b77e9f06e779c3a5880b81b362355aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d710d8e43bc669096e2199f59c3f2797b77e9f06e779c3a5880b81b362355aeb", kill_on_drop: false }`
[INFO] [stdout] d710d8e43bc669096e2199f59c3f2797b77e9f06e779c3a5880b81b362355aeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", 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] b71bf78662d5b19ef128395203e02b942ed6901dd2f418a11edda242c5b71788
[INFO] running `Command { std: "docker" "start" "-a" "b71bf78662d5b19ef128395203e02b942ed6901dd2f418a11edda242c5b71788", kill_on_drop: false }`
[INFO] [stderr]    Compiling r_text v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (horizontal, vertical) = terminal_size().unwrap();
[INFO] [stdout]    |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertical`
[INFO] [stdout]   --> src/main.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (horizontal, vertical) = terminal_size().unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut stdout = stdout().into_raw_mode().unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn draw_to_screen(mut screen: &mut AlternateScreen<RawTerminal<Stdout>>, lines: Vec<Vec<u8>>, x: usize, y: usize) {
[INFO] [stdout]     |                   ----^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut b = String::from_utf8(item.clone()).unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b71bf78662d5b19ef128395203e02b942ed6901dd2f418a11edda242c5b71788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71bf78662d5b19ef128395203e02b942ed6901dd2f418a11edda242c5b71788", kill_on_drop: false }`
[INFO] [stdout] b71bf78662d5b19ef128395203e02b942ed6901dd2f418a11edda242c5b71788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 002548cb889ec1bd35c16529a11a4b4946f75de303f11b946c845ed1eade55f1
[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" "002548cb889ec1bd35c16529a11a4b4946f75de303f11b946c845ed1eade55f1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `horizontal`
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let (horizontal, vertical) = terminal_size().unwrap();
[INFO] [stderr]    |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vertical`
[INFO] [stderr]   --> src/main.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let (horizontal, vertical) = terminal_size().unwrap();
[INFO] [stderr]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut stdout = stdout().into_raw_mode().unwrap();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:122:19
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn draw_to_screen(mut screen: &mut AlternateScreen<RawTerminal<Stdout>>, lines: Vec<Vec<u8>>, x: usize, y: usize) {
[INFO] [stderr]     |                   ----^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut b = String::from_utf8(item.clone()).unwrap();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r_text-78df5b2ce6379dc4
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "002548cb889ec1bd35c16529a11a4b4946f75de303f11b946c845ed1eade55f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002548cb889ec1bd35c16529a11a4b4946f75de303f11b946c845ed1eade55f1", kill_on_drop: false }`
[INFO] [stdout] 002548cb889ec1bd35c16529a11a4b4946f75de303f11b946c845ed1eade55f1
