[INFO] cloning repository https://github.com/quirinux/rust-core-utils [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quirinux/rust-core-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 92441ff9a19233642d3e5d599ddd7604c9674beb [INFO] testing quirinux/rust-core-utils against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/quirinux/rust-core-utils on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/quirinux/rust-core-utils [INFO] finished tweaking git repo https://github.com/quirinux/rust-core-utils [INFO] tweaked toml for git repo https://github.com/quirinux/rust-core-utils written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/quirinux/rust-core-utils already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a171c0b128b1181ea3a200c74bbb833deebc30508c51fbc30f4026a658c708be [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" "a171c0b128b1181ea3a200c74bbb833deebc30508c51fbc30f4026a658c708be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a171c0b128b1181ea3a200c74bbb833deebc30508c51fbc30f4026a658c708be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a171c0b128b1181ea3a200c74bbb833deebc30508c51fbc30f4026a658c708be", kill_on_drop: false }` [INFO] [stdout] a171c0b128b1181ea3a200c74bbb833deebc30508c51fbc30f4026a658c708be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6769d1292d2e666ad05b1a628520cd34b28ca63808150e382b9beb5759d7c3c [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" "e6769d1292d2e666ad05b1a628520cd34b28ca63808150e382b9beb5759d7c3c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling crossbeam v0.7.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling structopt-derive v0.2.16 [INFO] [stderr] Compiling structopt v0.2.16 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling rust-core-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | bufread: Box, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | bufread: Box, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `valid_line` [INFO] [stdout] --> src/bin/cat.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blank_line_count` [INFO] [stdout] --> src/bin/cat.rs:143:30 [INFO] [stdout] | [INFO] [stdout] 143 | let (valid_line, blank_line_count) = valid(line.clone(), blank_line_count, opt.squeeze_blank); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_line_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/cat.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [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: associated function is never used: `walk_buffer_bytes` [INFO] [stdout] --> src/bin/util/file.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn walk_buffer_bytes(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `walk_buffer_lines` [INFO] [stdout] --> src/bin/util/file.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn walk_buffer_lines(&mut self, lines: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_bytes` [INFO] [stdout] --> src/bin/util/file.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn last_bytes(&mut self, bytes: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_lines` [INFO] [stdout] --> src/bin/util/file.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn last_lines(&mut self, lines: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `path` [INFO] [stdout] --> src/bin/util/file.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn path(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/bin/util/file.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn len(&self) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/head.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | writter.write_all(&b.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `walk_buffer_bytes` [INFO] [stdout] --> src/bin/util/file.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn walk_buffer_bytes(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `walk_buffer_lines` [INFO] [stdout] --> src/bin/util/file.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn walk_buffer_lines(&mut self, lines: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_bytes` [INFO] [stdout] --> src/bin/util/file.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn last_bytes(&mut self, bytes: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_lines` [INFO] [stdout] --> src/bin/util/file.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn last_lines(&mut self, lines: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `path` [INFO] [stdout] --> src/bin/util/file.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn path(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/bin/util/file.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn len(&self) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/cat.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | / match f.read_chunk(size) { [INFO] [stdout] 154 | | Some(b) => writter.write_all(&b), [INFO] [stdout] 155 | | _ => Ok(()), [INFO] [stdout] 156 | | }; [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.00s [INFO] running `Command { std: "docker" "inspect" "e6769d1292d2e666ad05b1a628520cd34b28ca63808150e382b9beb5759d7c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6769d1292d2e666ad05b1a628520cd34b28ca63808150e382b9beb5759d7c3c", kill_on_drop: false }` [INFO] [stdout] e6769d1292d2e666ad05b1a628520cd34b28ca63808150e382b9beb5759d7c3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4ce69046127c81037d0901e0b0ed02a9d9c98c52e6d378b11d01ec13fc7dcf6 [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" "f4ce69046127c81037d0901e0b0ed02a9d9c98c52e6d378b11d01ec13fc7dcf6", kill_on_drop: false }` [INFO] [stderr] Compiling rust-core-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | bufread: Box, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/util/file.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | bufread: Box, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `valid_line` [INFO] [stdout] --> src/bin/cat.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blank_line_count` [INFO] [stdout] --> src/bin/cat.rs:143:30 [INFO] [stdout] | [INFO] [stdout] 143 | let (valid_line, blank_line_count) = valid(line.clone(), blank_line_count, opt.squeeze_blank); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_line_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/cat.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut valid_line = false; [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: associated function is never used: `walk_buffer_bytes` [INFO] [stdout] --> src/bin/util/file.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn walk_buffer_bytes(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `walk_buffer_lines` [INFO] [stdout] --> src/bin/util/file.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn walk_buffer_lines(&mut self, lines: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_bytes` [INFO] [stdout] --> src/bin/util/file.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn last_bytes(&mut self, bytes: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `walk_buffer_bytes` [INFO] [stdout] --> src/bin/util/file.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn walk_buffer_bytes(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_lines` [INFO] [stdout] --> src/bin/util/file.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn last_lines(&mut self, lines: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `walk_buffer_lines` [INFO] [stdout] --> src/bin/util/file.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn walk_buffer_lines(&mut self, lines: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `path` [INFO] [stdout] --> src/bin/util/file.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn path(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/bin/util/file.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn len(&self) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_bytes` [INFO] [stdout] --> src/bin/util/file.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn last_bytes(&mut self, bytes: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `last_lines` [INFO] [stdout] --> src/bin/util/file.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn last_lines(&mut self, lines: usize) -> (usize, Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `path` [INFO] [stdout] --> src/bin/util/file.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn path(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/bin/util/file.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn len(&self) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/head.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | writter.write_all(&b.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/cat.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | / match f.read_chunk(size) { [INFO] [stdout] 154 | | Some(b) => writter.write_all(&b), [INFO] [stdout] 155 | | _ => Ok(()), [INFO] [stdout] 156 | | }; [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "f4ce69046127c81037d0901e0b0ed02a9d9c98c52e6d378b11d01ec13fc7dcf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ce69046127c81037d0901e0b0ed02a9d9c98c52e6d378b11d01ec13fc7dcf6", kill_on_drop: false }` [INFO] [stdout] f4ce69046127c81037d0901e0b0ed02a9d9c98c52e6d378b11d01ec13fc7dcf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] 127a0a0d2f760bc2f18759ada93de90c8162a7d44b2d516aa37c6c5c0a7c6041 [INFO] running `Command { std: "docker" "start" "-a" "127a0a0d2f760bc2f18759ada93de90c8162a7d44b2d516aa37c6c5c0a7c6041", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bin/util/file.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | bufread: Box, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `walk_buffer_bytes` [INFO] [stderr] --> src/bin/util/file.rs:95:12 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn walk_buffer_bytes(&mut self, bytes: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `walk_buffer_lines` [INFO] [stderr] --> src/bin/util/file.rs:102:12 [INFO] [stderr] | [INFO] [stderr] 102 | pub fn walk_buffer_lines(&mut self, lines: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `last_bytes` [INFO] [stderr] --> src/bin/util/file.rs:108:12 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn last_bytes(&mut self, bytes: usize) -> (usize, Vec) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `last_lines` [INFO] [stderr] --> src/bin/util/file.rs:128:12 [INFO] [stderr] | [INFO] [stderr] 128 | pub fn last_lines(&mut self, lines: usize) -> (usize, Vec) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `path` [INFO] [stderr] --> src/bin/util/file.rs:146:12 [INFO] [stderr] | [INFO] [stderr] 146 | pub fn path(&self) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bin/util/file.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | bufread: Box, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `valid_line` [INFO] [stderr] --> src/bin/cat.rs:137:17 [INFO] [stderr] | [INFO] [stderr] 137 | let mut valid_line = false; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_line` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `blank_line_count` [INFO] [stderr] --> src/bin/cat.rs:143:30 [INFO] [stderr] | [INFO] [stderr] 143 | let (valid_line, blank_line_count) = valid(line.clone(), blank_line_count, opt.squeeze_blank); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blank_line_count` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/cat.rs:137:17 [INFO] [stderr] | [INFO] [stderr] 137 | let mut valid_line = false; [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: associated function is never used: `walk_buffer_bytes` [INFO] [stderr] --> src/bin/util/file.rs:95:12 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn walk_buffer_bytes(&mut self, bytes: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `walk_buffer_lines` [INFO] [stderr] --> src/bin/util/file.rs:102:12 [INFO] [stderr] | [INFO] [stderr] 102 | pub fn walk_buffer_lines(&mut self, lines: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `last_bytes` [INFO] [stderr] --> src/bin/util/file.rs:108:12 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn last_bytes(&mut self, bytes: usize) -> (usize, Vec) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `last_lines` [INFO] [stderr] --> src/bin/util/file.rs:128:12 [INFO] [stderr] | [INFO] [stderr] 128 | pub fn last_lines(&mut self, lines: usize) -> (usize, Vec) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `path` [INFO] [stderr] --> src/bin/util/file.rs:146:12 [INFO] [stderr] | [INFO] [stderr] 146 | pub fn path(&self) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/bin/util/file.rs:150:12 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn len(&self) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/cat.rs:153:13 [INFO] [stderr] | [INFO] [stderr] 153 | / match f.read_chunk(size) { [INFO] [stderr] 154 | | Some(b) => writter.write_all(&b), [INFO] [stderr] 155 | | _ => Ok(()), [INFO] [stderr] 156 | | }; [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/bin/util/file.rs:150:12 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn len(&self) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/head.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | writter.write_all(&b.unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cat-4d39520fde230f51 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/echo-f067e942a0e7f277 [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] [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] [stderr] Running /opt/rustwide/target/debug/deps/head-c591f82630a66666 [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" "127a0a0d2f760bc2f18759ada93de90c8162a7d44b2d516aa37c6c5c0a7c6041", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "127a0a0d2f760bc2f18759ada93de90c8162a7d44b2d516aa37c6c5c0a7c6041", kill_on_drop: false }` [INFO] [stdout] 127a0a0d2f760bc2f18759ada93de90c8162a7d44b2d516aa37c6c5c0a7c6041