[INFO] cloning repository https://github.com/jfgr27/rustman-encoder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfgr27/rustman-encoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgr27%2Frustman-encoder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgr27%2Frustman-encoder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ddee816867cc16256ebaae7b414410f52edeb521 [INFO] checking jfgr27/rustman-encoder against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgr27%2Frustman-encoder" "/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/jfgr27/rustman-encoder on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jfgr27/rustman-encoder [INFO] finished tweaking git repo https://github.com/jfgr27/rustman-encoder [INFO] tweaked toml for git repo https://github.com/jfgr27/rustman-encoder written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jfgr27/rustman-encoder 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 194fe14656d7e8cf2728e2885e1688921d33e3d37a6970ad7ed638a4ce62b630 [INFO] running `Command { std: "docker" "start" "-a" "194fe14656d7e8cf2728e2885e1688921d33e3d37a6970ad7ed638a4ce62b630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "194fe14656d7e8cf2728e2885e1688921d33e3d37a6970ad7ed638a4ce62b630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "194fe14656d7e8cf2728e2885e1688921d33e3d37a6970ad7ed638a4ce62b630", kill_on_drop: false }` [INFO] [stdout] 194fe14656d7e8cf2728e2885e1688921d33e3d37a6970ad7ed638a4ce62b630 [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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12b45a194e9682e617c126afc7abbdd4bd064691770f39e0f4106b69f8e8bef0 [INFO] running `Command { std: "docker" "start" "-a" "12b45a194e9682e617c126afc7abbdd4bd064691770f39e0f4106b69f8e8bef0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust_ds v0.1.0 (/opt/rustwide/workdir/rust_ds) [INFO] [stderr] Checking rustman-encoder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/huffman.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/huffman.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/huffman.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/huffman.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/huffman.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `huffman_tree` [INFO] [stdout] --> src/huffman.rs:130:28 [INFO] [stdout] | [INFO] [stdout] 130 | let (encoding_map, huffman_tree) = build_huffman_encoding(&input_content).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_huffman_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `huffman_tree` [INFO] [stdout] --> src/huffman.rs:130:28 [INFO] [stdout] | [INFO] [stdout] 130 | let (encoding_map, huffman_tree) = build_huffman_encoding(&input_content).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_huffman_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_path` [INFO] [stdout] --> src/huffman.rs:142:40 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn encode(input_path: &String, output_path: &String) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input_path` [INFO] [stdout] --> src/huffman.rs:148:19 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn decode(input_path: &String, output_path: &String) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_path` [INFO] [stdout] --> src/huffman.rs:148:40 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn decode(input_path: &String, output_path: &String) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_path` [INFO] [stdout] --> src/huffman.rs:142:40 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn encode(input_path: &String, output_path: &String) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input_path` [INFO] [stdout] --> src/huffman.rs:148:19 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn decode(input_path: &String, output_path: &String) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_path` [INFO] [stdout] --> src/huffman.rs:148:40 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn decode(input_path: &String, output_path: &String) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "12b45a194e9682e617c126afc7abbdd4bd064691770f39e0f4106b69f8e8bef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12b45a194e9682e617c126afc7abbdd4bd064691770f39e0f4106b69f8e8bef0", kill_on_drop: false }` [INFO] [stdout] 12b45a194e9682e617c126afc7abbdd4bd064691770f39e0f4106b69f8e8bef0