[INFO] cloning repository https://github.com/gevorgyana/scanf-like-rust-input
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gevorgyana/scanf-like-rust-input" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgevorgyana%2Fscanf-like-rust-input", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgevorgyana%2Fscanf-like-rust-input'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afb18ae2d857ebb06d952d92eb853a1b5266d2ee
[INFO] testing gevorgyana/scanf-like-rust-input against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgevorgyana%2Fscanf-like-rust-input" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gevorgyana/scanf-like-rust-input on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gevorgyana/scanf-like-rust-input
[INFO] finished tweaking git repo https://github.com/gevorgyana/scanf-like-rust-input
[INFO] tweaked toml for git repo https://github.com/gevorgyana/scanf-like-rust-input written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gevorgyana/scanf-like-rust-input already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f75c41c457aac9c0a1c82c9c472eabba0bd31e4fe80dd7431adf5eb528aa55
[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" "f3f75c41c457aac9c0a1c82c9c472eabba0bd31e4fe80dd7431adf5eb528aa55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f75c41c457aac9c0a1c82c9c472eabba0bd31e4fe80dd7431adf5eb528aa55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f75c41c457aac9c0a1c82c9c472eabba0bd31e4fe80dd7431adf5eb528aa55", kill_on_drop: false }`
[INFO] [stdout] f3f75c41c457aac9c0a1c82c9c472eabba0bd31e4fe80dd7431adf5eb528aa55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e26e84916c9ed677475761e31ab21e2adc6b442533e33c26880206dd673765b8
[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" "e26e84916c9ed677475761e31ab21e2adc6b442533e33c26880206dd673765b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cf-quick-scanf-like-input v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / macro_rules! read_input_lines {
[INFO] [stdout] 4  | |     ($buf:ident) => {
[INFO] [stdout] 5  | |     {
[INFO] [stdout] 6  | |         let mut stdin = io::stdin();
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / macro_rules! read_line_of_vars {
[INFO] [stdout] 14 | |     ($type:ty, $lines:ident, $($var:ident),+) => {
[INFO] [stdout] 15 | |     {
[INFO] [stdout] 16 | |         let (line, rest) = $lines.split_first().unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |     }
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]   --> src/main.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some((value, parsed)) => {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout] ...
[INFO] [stdout] 54 |     read_line_of_vars!(i32, lines, t);
[INFO] [stdout]    |     ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `read_line_of_vars` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]   --> src/main.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some((value, parsed)) => {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout] ...
[INFO] [stdout] 58 |     read_line_of_vars!(i32, lines, n, x);
[INFO] [stdout]    |     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `read_line_of_vars` (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/main.rs:7:6
[INFO] [stdout]    |
[INFO] [stdout] 7  |         stdin.read_to_string(&mut $buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     let mut lines: &[&str] = read_input_lines!(buf);
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[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 `read_input_lines` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "e26e84916c9ed677475761e31ab21e2adc6b442533e33c26880206dd673765b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26e84916c9ed677475761e31ab21e2adc6b442533e33c26880206dd673765b8", kill_on_drop: false }`
[INFO] [stdout] e26e84916c9ed677475761e31ab21e2adc6b442533e33c26880206dd673765b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] f9f857083a5bbe974e553933f057799f109492623a5cbc5cbdccc3716f3dbb91
[INFO] running `Command { std: "docker" "start" "-a" "f9f857083a5bbe974e553933f057799f109492623a5cbc5cbdccc3716f3dbb91", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / macro_rules! read_input_lines {
[INFO] [stdout] 4  | |     ($buf:ident) => {
[INFO] [stdout] 5  | |     {
[INFO] [stdout] 6  | |         let mut stdin = io::stdin();
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / macro_rules! read_line_of_vars {
[INFO] [stdout] 14 | |     ($type:ty, $lines:ident, $($var:ident),+) => {
[INFO] [stdout] 15 | |     {
[INFO] [stdout] 16 | |         let (line, rest) = $lines.split_first().unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |     }
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cf-quick-scanf-like-input v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]   --> src/main.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some((value, parsed)) => {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout] ...
[INFO] [stdout] 54 |     read_line_of_vars!(i32, lines, t);
[INFO] [stdout]    |     ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `read_line_of_vars` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]   --> src/main.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some((value, parsed)) => {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout] ...
[INFO] [stdout] 58 |     read_line_of_vars!(i32, lines, n, x);
[INFO] [stdout]    |     ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `read_line_of_vars` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / macro_rules! read_input_lines {
[INFO] [stdout] 4  | |     ($buf:ident) => {
[INFO] [stdout] 5  | |     {
[INFO] [stdout] 6  | |         let mut stdin = io::stdin();
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / macro_rules! read_line_of_vars {
[INFO] [stdout] 14 | |     ($type:ty, $lines:ident, $($var:ident),+) => {
[INFO] [stdout] 15 | |     {
[INFO] [stdout] 16 | |         let (line, rest) = $lines.split_first().unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |     }
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:7:6
[INFO] [stdout]    |
[INFO] [stdout] 7  |         stdin.read_to_string(&mut $buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     let mut lines: &[&str] = read_input_lines!(buf);
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[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 `read_input_lines` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f9f857083a5bbe974e553933f057799f109492623a5cbc5cbdccc3716f3dbb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f857083a5bbe974e553933f057799f109492623a5cbc5cbdccc3716f3dbb91", kill_on_drop: false }`
[INFO] [stdout] f9f857083a5bbe974e553933f057799f109492623a5cbc5cbdccc3716f3dbb91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0897edf8a75b569c94462e2c71cb2e364a23c77a406811cad3fd6796c6c2cda8
[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" "0897edf8a75b569c94462e2c71cb2e364a23c77a406811cad3fd6796c6c2cda8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stderr]  --> src/lib.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read, Write};
[INFO] [stderr]   |               ^^^^  ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / macro_rules! read_input_lines {
[INFO] [stderr] 4  | |     ($buf:ident) => {
[INFO] [stderr] 5  | |     {
[INFO] [stderr] 6  | |         let mut stdin = io::stdin();
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | |     }
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / macro_rules! read_line_of_vars {
[INFO] [stderr] 14 | |     ($type:ty, $lines:ident, $($var:ident),+) => {
[INFO] [stderr] 15 | |     {
[INFO] [stderr] 16 | |         let (line, rest) = $lines.split_first().unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |     }
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: `cf-quick-scanf-like-input` (lib) generated 3 warnings
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read, Write};
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:30:20
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 30 |             Some((value, parsed)) => {
[INFO] [stdout] 
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stderr] ...
[INFO] [stderr] 54 |     read_line_of_vars!(i32, lines, t);
[INFO] [stderr]    |     ---------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `read_line_of_vars` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]   --> src/main.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Some((value, parsed)) => {
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stderr] ...
[INFO] [stderr] 58 |     read_line_of_vars!(i32, lines, n, x);
[INFO] [stderr]    |     ------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `read_line_of_vars` (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/main.rs:7:6
[INFO] [stderr]    |
[INFO] [stderr] 7  |         stdin.read_to_string(&mut $buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     let mut lines: &[&str] = read_input_lines!(buf);
[INFO] [stderr]    |                              ---------------------- in this macro invocation
[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 `read_input_lines` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `cf-quick-scanf-like-input` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `cf-quick-scanf-like-input` (bin "cf-quick-scanf-like-input" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cf_quick_scanf_like_input-1004ebd9ac42970d)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cf_quick_scanf_like_input-dfe5668de77e1e4a)
[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 cf-quick-scanf-like-input
[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" "0897edf8a75b569c94462e2c71cb2e364a23c77a406811cad3fd6796c6c2cda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0897edf8a75b569c94462e2c71cb2e364a23c77a406811cad3fd6796c6c2cda8", kill_on_drop: false }`
[INFO] [stdout] 0897edf8a75b569c94462e2c71cb2e364a23c77a406811cad3fd6796c6c2cda8