[INFO] cloning repository https://github.com/xfbs/huffman-markov [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfbs/huffman-markov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fhuffman-markov", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fhuffman-markov'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c1320835a549ce4346e5e5ea0b68952f671fa3d [INFO] checking xfbs/huffman-markov against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fhuffman-markov" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xfbs/huffman-markov on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xfbs/huffman-markov [INFO] finished tweaking git repo https://github.com/xfbs/huffman-markov [INFO] tweaked toml for git repo https://github.com/xfbs/huffman-markov written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xfbs/huffman-markov already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99c8d3e7e6144ff166c0967212331016261f9aa4aa7dfe982153d1d36b742dc3 [INFO] running `Command { std: "docker" "start" "-a" "99c8d3e7e6144ff166c0967212331016261f9aa4aa7dfe982153d1d36b742dc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99c8d3e7e6144ff166c0967212331016261f9aa4aa7dfe982153d1d36b742dc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99c8d3e7e6144ff166c0967212331016261f9aa4aa7dfe982153d1d36b742dc3", kill_on_drop: false }` [INFO] [stdout] 99c8d3e7e6144ff166c0967212331016261f9aa4aa7dfe982153d1d36b742dc3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c4fef406205877ea39213ec4836aa821ce89df78cb59f696ec1571d499ab28d [INFO] running `Command { std: "docker" "start" "-a" "7c4fef406205877ea39213ec4836aa821ce89df78cb59f696ec1571d499ab28d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking allocator-api2 v0.2.16 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking bitstream-io v2.2.0 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Compiling structmeta-derive v0.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Compiling structmeta v0.2.0 [INFO] [stderr] Checking huffman-markov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prefix` [INFO] [stdout] --> src/huffman.rs:107:23 [INFO] [stdout] | [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `decoder` is never used [INFO] [stdout] --> src/huffman.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 89 | impl Decoder { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:161:17 [INFO] [stdout] | [INFO] [stdout] 161 | self.writer.write_bit(*bit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 161 | let _ = self.writer.write_bit(*bit); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | self.writer.write_bit(false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = self.writer.write_bit(false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling test-strategy v0.3.1 [INFO] [stdout] warning: unused variable: `prefix` [INFO] [stdout] --> src/huffman.rs:107:23 [INFO] [stdout] | [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `weight` [INFO] [stdout] --> src/huffman.rs:194:20 [INFO] [stdout] | [INFO] [stdout] 194 | for (byte, weight) in items.iter() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `decoder` is never used [INFO] [stdout] --> src/huffman.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 89 | impl Decoder { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:161:17 [INFO] [stdout] | [INFO] [stdout] 161 | self.writer.write_bit(*bit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 161 | let _ = self.writer.write_bit(*bit); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | self.writer.write_bit(false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = self.writer.write_bit(false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.23s [INFO] running `Command { std: "docker" "inspect" "7c4fef406205877ea39213ec4836aa821ce89df78cb59f696ec1571d499ab28d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c4fef406205877ea39213ec4836aa821ce89df78cb59f696ec1571d499ab28d", kill_on_drop: false }` [INFO] [stdout] 7c4fef406205877ea39213ec4836aa821ce89df78cb59f696ec1571d499ab28d [INFO] checking xfbs/huffman-markov against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fhuffman-markov" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xfbs/huffman-markov on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xfbs/huffman-markov [INFO] finished tweaking git repo https://github.com/xfbs/huffman-markov [INFO] tweaked toml for git repo https://github.com/xfbs/huffman-markov written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xfbs/huffman-markov already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6261b47265ce4177c3a8780fea34d162b5d38b3a335bba1b6b3d3a20a49bbb98 [INFO] running `Command { std: "docker" "start" "-a" "6261b47265ce4177c3a8780fea34d162b5d38b3a335bba1b6b3d3a20a49bbb98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6261b47265ce4177c3a8780fea34d162b5d38b3a335bba1b6b3d3a20a49bbb98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6261b47265ce4177c3a8780fea34d162b5d38b3a335bba1b6b3d3a20a49bbb98", kill_on_drop: false }` [INFO] [stdout] 6261b47265ce4177c3a8780fea34d162b5d38b3a335bba1b6b3d3a20a49bbb98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71713b781265ed211383af72cac92b931d3558e76bf47f7f2e5e9ee8082b6593 [INFO] running `Command { std: "docker" "start" "-a" "71713b781265ed211383af72cac92b931d3558e76bf47f7f2e5e9ee8082b6593", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking allocator-api2 v0.2.16 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking bitstream-io v2.2.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Compiling structmeta-derive v0.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Compiling structmeta v0.2.0 [INFO] [stderr] Checking huffman-markov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prefix` [INFO] [stdout] --> src/huffman.rs:107:23 [INFO] [stdout] | [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `decoder` is never used [INFO] [stdout] --> src/huffman.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 89 | impl Decoder { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:161:17 [INFO] [stdout] | [INFO] [stdout] 161 | self.writer.write_bit(*bit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 161 | let _ = self.writer.write_bit(*bit); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | self.writer.write_bit(false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = self.writer.write_bit(false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling test-strategy v0.3.1 [INFO] [stdout] warning: unused variable: `prefix` [INFO] [stdout] --> src/huffman.rs:107:23 [INFO] [stdout] | [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `weight` [INFO] [stdout] --> src/huffman.rs:194:20 [INFO] [stdout] | [INFO] [stdout] 194 | for (byte, weight) in items.iter() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `decoder` is never used [INFO] [stdout] --> src/huffman.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 89 | impl Decoder { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn decoder(&self, prefix: &[u8]) -> () {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:161:17 [INFO] [stdout] | [INFO] [stdout] 161 | self.writer.write_bit(*bit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 161 | let _ = self.writer.write_bit(*bit); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/huffman.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | self.writer.write_bit(false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = self.writer.write_bit(false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.73s [INFO] running `Command { std: "docker" "inspect" "71713b781265ed211383af72cac92b931d3558e76bf47f7f2e5e9ee8082b6593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71713b781265ed211383af72cac92b931d3558e76bf47f7f2e5e9ee8082b6593", kill_on_drop: false }` [INFO] [stdout] 71713b781265ed211383af72cac92b931d3558e76bf47f7f2e5e9ee8082b6593