[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 92441ff9a19233642d3e5d599ddd7604c9674beb [INFO] testing quirinux/rust-core-utils against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-core-utils" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/quirinux/rust-core-utils on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-6/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de63f512a1d95ed5446b66ce55b3e475591a0ef42305a88e0e946d7a9c37e440 [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" "de63f512a1d95ed5446b66ce55b3e475591a0ef42305a88e0e946d7a9c37e440", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de63f512a1d95ed5446b66ce55b3e475591a0ef42305a88e0e946d7a9c37e440", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de63f512a1d95ed5446b66ce55b3e475591a0ef42305a88e0e946d7a9c37e440", kill_on_drop: false }` [INFO] [stdout] de63f512a1d95ed5446b66ce55b3e475591a0ef42305a88e0e946d7a9c37e440 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b3223d4e17677d6703dda945980292a8a4dd489efe8a57b80dfb7eeef684517 [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" "3b3223d4e17677d6703dda945980292a8a4dd489efe8a57b80dfb7eeef684517", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling crossbeam v0.7.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling structopt-derive v0.2.16 [INFO] [stderr] Compiling structopt v0.2.16 [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: 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: 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: `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 49.34s [INFO] running `Command { std: "docker" "inspect" "3b3223d4e17677d6703dda945980292a8a4dd489efe8a57b80dfb7eeef684517", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b3223d4e17677d6703dda945980292a8a4dd489efe8a57b80dfb7eeef684517", kill_on_drop: false }` [INFO] [stdout] 3b3223d4e17677d6703dda945980292a8a4dd489efe8a57b80dfb7eeef684517 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5579ae355d4002116d7b423894504451c10b0cd206f0a895080e22bb1c1b80bb [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" "5579ae355d4002116d7b423894504451c10b0cd206f0a895080e22bb1c1b80bb", 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: `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: 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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "5579ae355d4002116d7b423894504451c10b0cd206f0a895080e22bb1c1b80bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5579ae355d4002116d7b423894504451c10b0cd206f0a895080e22bb1c1b80bb", kill_on_drop: false }` [INFO] [stdout] 5579ae355d4002116d7b423894504451c10b0cd206f0a895080e22bb1c1b80bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 12e0a64e61ecdec4f812174743121df70c2a35800e2dbb710424b436bf234a3e [INFO] running `Command { std: "docker" "start" "-a" "12e0a64e61ecdec4f812174743121df70c2a35800e2dbb710424b436bf234a3e", 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: 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] 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] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cat-3ab3ce2493df0ca2 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/echo-66a96494bed3656d [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-6dd5f6fece680156 [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] running `Command { std: "docker" "inspect" "12e0a64e61ecdec4f812174743121df70c2a35800e2dbb710424b436bf234a3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12e0a64e61ecdec4f812174743121df70c2a35800e2dbb710424b436bf234a3e", kill_on_drop: false }` [INFO] [stdout] 12e0a64e61ecdec4f812174743121df70c2a35800e2dbb710424b436bf234a3e