[INFO] fetching crate cf-quick-scanf-like-input 0.1.0... [INFO] testing cf-quick-scanf-like-input-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate cf-quick-scanf-like-input 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate cf-quick-scanf-like-input 0.1.0 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 crates.io crate cf-quick-scanf-like-input 0.1.0 [INFO] finished tweaking crates.io crate cf-quick-scanf-like-input 0.1.0 [INFO] tweaked toml for crates.io crate cf-quick-scanf-like-input 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate cf-quick-scanf-like-input 0.1.0 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] [stderr] Blocking waiting for file lock on package cache [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" "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] 80c13c03a6382ed19c0fdf879ce13c830fb1857ff25486c923197f53da67d06e [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" "80c13c03a6382ed19c0fdf879ce13c830fb1857ff25486c923197f53da67d06e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80c13c03a6382ed19c0fdf879ce13c830fb1857ff25486c923197f53da67d06e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80c13c03a6382ed19c0fdf879ce13c830fb1857ff25486c923197f53da67d06e", kill_on_drop: false }` [INFO] [stdout] 80c13c03a6382ed19c0fdf879ce13c830fb1857ff25486c923197f53da67d06e [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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fc4c95360f0068ab4f8e43a7d62a0bc29fc2e99d8ef5543e654176776836ee14 [INFO] running `Command { std: "docker" "start" "-a" "fc4c95360f0068ab4f8e43a7d62a0bc29fc2e99d8ef5543e654176776836ee14", 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 1.21s [INFO] running `Command { std: "docker" "inspect" "fc4c95360f0068ab4f8e43a7d62a0bc29fc2e99d8ef5543e654176776836ee14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc4c95360f0068ab4f8e43a7d62a0bc29fc2e99d8ef5543e654176776836ee14", kill_on_drop: false }` [INFO] [stdout] fc4c95360f0068ab4f8e43a7d62a0bc29fc2e99d8ef5543e654176776836ee14 [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" "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] [stdout] 586ca63c0fc887af4733e95e77c70ff69ad75b757a3391dcdf8854b49f2a2f0c [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" "586ca63c0fc887af4733e95e77c70ff69ad75b757a3391dcdf8854b49f2a2f0c", 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 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.11s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "586ca63c0fc887af4733e95e77c70ff69ad75b757a3391dcdf8854b49f2a2f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "586ca63c0fc887af4733e95e77c70ff69ad75b757a3391dcdf8854b49f2a2f0c", kill_on_drop: false }` [INFO] [stdout] 586ca63c0fc887af4733e95e77c70ff69ad75b757a3391dcdf8854b49f2a2f0c [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" "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] 90c0fb11a5305de20961085f774651c73e2136e287b64d2d18d5b54a52450573 [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" "90c0fb11a5305de20961085f774651c73e2136e287b64d2d18d5b54a52450573", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused imports: `Read`, `Write`, `self` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lib.rs:1:15 [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] 1 | use std::io::{self, Read, Write}; [INFO] [stdout] [INFO] [stderr] | ^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [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] warning: unused macro definition [INFO] [stdout] [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] [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] 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] [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" "90c0fb11a5305de20961085f774651c73e2136e287b64d2d18d5b54a52450573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c0fb11a5305de20961085f774651c73e2136e287b64d2d18d5b54a52450573", kill_on_drop: false }` [INFO] [stdout] 90c0fb11a5305de20961085f774651c73e2136e287b64d2d18d5b54a52450573