[INFO] fetching crate rlibbencode 0.1.0...
[INFO] building rlibbencode-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rlibbencode 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rlibbencode 0.1.0
[INFO] finished tweaking crates.io crate rlibbencode 0.1.0
[INFO] tweaked toml for crates.io crate rlibbencode 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlibbencode 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rlibbencode 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d38d9b10974878da4df7af6b74bbcbd8b80928fbc6cbced8de7fcdc1d698f0e
[INFO] running `Command { std: "docker" "start" "-a" "9d38d9b10974878da4df7af6b74bbcbd8b80928fbc6cbced8de7fcdc1d698f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d38d9b10974878da4df7af6b74bbcbd8b80928fbc6cbced8de7fcdc1d698f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d38d9b10974878da4df7af6b74bbcbd8b80928fbc6cbced8de7fcdc1d698f0e", kill_on_drop: false }`
[INFO] [stdout] 9d38d9b10974878da4df7af6b74bbcbd8b80928fbc6cbced8de7fcdc1d698f0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9872b52a4523d50fd0a7fbe6b901d4b34ab2290370d4647b4676b041d726f2b
[INFO] running `Command { std: "docker" "start" "-a" "b9872b52a4523d50fd0a7fbe6b901d4b34ab2290370d4647b4676b041d726f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibbencode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/utils/ordered_map.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<K, V> OrderedMap<K, V> where K: Eq + Hash + Clone {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]   --> src/variables/bencode_array.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BencodeArray {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn remove(&mut self, index: usize) -> Box<dyn BencodeVariable> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "b9872b52a4523d50fd0a7fbe6b901d4b34ab2290370d4647b4676b041d726f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9872b52a4523d50fd0a7fbe6b901d4b34ab2290370d4647b4676b041d726f2b", kill_on_drop: false }`
[INFO] [stdout] b9872b52a4523d50fd0a7fbe6b901d4b34ab2290370d4647b4676b041d726f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94df1ac266cb36f4b847d197ee3a8e9f73b1dc7920b00025daab9116d5e88562
[INFO] running `Command { std: "docker" "start" "-a" "94df1ac266cb36f4b847d197ee3a8e9f73b1dc7920b00025daab9116d5e88562", kill_on_drop: false }`
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/utils/ordered_map.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<K, V> OrderedMap<K, V> where K: Eq + Hash + Clone {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rlibbencode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]   --> src/variables/bencode_array.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BencodeArray {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn remove(&mut self, index: usize) -> Box<dyn BencodeVariable> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/utils/ordered_map.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<K, V> OrderedMap<K, V> where K: Eq + Hash + Clone {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]   --> src/variables/bencode_array.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BencodeArray {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn remove(&mut self, index: usize) -> Box<dyn BencodeVariable> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "94df1ac266cb36f4b847d197ee3a8e9f73b1dc7920b00025daab9116d5e88562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94df1ac266cb36f4b847d197ee3a8e9f73b1dc7920b00025daab9116d5e88562", kill_on_drop: false }`
[INFO] [stdout] 94df1ac266cb36f4b847d197ee3a8e9f73b1dc7920b00025daab9116d5e88562
