[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] building jfgr27/rustman-encoder against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgr27%2Frustman-encoder" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jfgr27/rustman-encoder on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-0-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b4abb861f1d6e4feb5cd4bec6151e8e86d92d9fb043776ebd633ea0d0c2ffbe [INFO] running `Command { std: "docker" "start" "-a" "4b4abb861f1d6e4feb5cd4bec6151e8e86d92d9fb043776ebd633ea0d0c2ffbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b4abb861f1d6e4feb5cd4bec6151e8e86d92d9fb043776ebd633ea0d0c2ffbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b4abb861f1d6e4feb5cd4bec6151e8e86d92d9fb043776ebd633ea0d0c2ffbe", kill_on_drop: false }` [INFO] [stdout] 4b4abb861f1d6e4feb5cd4bec6151e8e86d92d9fb043776ebd633ea0d0c2ffbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7deff843ea3ab1095dbdc66c26e35a13901c7f13d62be21669413b073b4244c9 [INFO] running `Command { std: "docker" "start" "-a" "7deff843ea3ab1095dbdc66c26e35a13901c7f13d62be21669413b073b4244c9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rust_ds v0.1.0 (/opt/rustwide/workdir/rust_ds) [INFO] [stderr] Compiling 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 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.90s [INFO] running `Command { std: "docker" "inspect" "7deff843ea3ab1095dbdc66c26e35a13901c7f13d62be21669413b073b4244c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7deff843ea3ab1095dbdc66c26e35a13901c7f13d62be21669413b073b4244c9", kill_on_drop: false }` [INFO] [stdout] 7deff843ea3ab1095dbdc66c26e35a13901c7f13d62be21669413b073b4244c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46b0ab4f92e8b79fef88a7a1de39cbab7523052c7ddef7b5d8b9bc008b0808c7 [INFO] running `Command { std: "docker" "start" "-a" "46b0ab4f92e8b79fef88a7a1de39cbab7523052c7ddef7b5d8b9bc008b0808c7", kill_on_drop: false }` [INFO] [stderr] Compiling 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: `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: `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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "46b0ab4f92e8b79fef88a7a1de39cbab7523052c7ddef7b5d8b9bc008b0808c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46b0ab4f92e8b79fef88a7a1de39cbab7523052c7ddef7b5d8b9bc008b0808c7", kill_on_drop: false }` [INFO] [stdout] 46b0ab4f92e8b79fef88a7a1de39cbab7523052c7ddef7b5d8b9bc008b0808c7