[INFO] fetching crate rlibbencode 0.1.0...
[INFO] building rlibbencode-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rlibbencode 0.1.0 into /workspace/builds/worker-1-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlibbencode 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aafaf10d363fb90733c327d1682d96467fed927474a417c67d2b80732d4ffd1
[INFO] running `Command { std: "docker" "start" "-a" "3aafaf10d363fb90733c327d1682d96467fed927474a417c67d2b80732d4ffd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aafaf10d363fb90733c327d1682d96467fed927474a417c67d2b80732d4ffd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aafaf10d363fb90733c327d1682d96467fed927474a417c67d2b80732d4ffd1", kill_on_drop: false }`
[INFO] [stdout] 3aafaf10d363fb90733c327d1682d96467fed927474a417c67d2b80732d4ffd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e4f2c145e3ba655c37b51b4bb82d73ad9629bc0cd1bdce890c13556337c71b
[INFO] running `Command { std: "docker" "start" "-a" "40e4f2c145e3ba655c37b51b4bb82d73ad9629bc0cd1bdce890c13556337c71b", kill_on_drop: false }`
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "40e4f2c145e3ba655c37b51b4bb82d73ad9629bc0cd1bdce890c13556337c71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e4f2c145e3ba655c37b51b4bb82d73ad9629bc0cd1bdce890c13556337c71b", kill_on_drop: false }`
[INFO] [stdout] 40e4f2c145e3ba655c37b51b4bb82d73ad9629bc0cd1bdce890c13556337c71b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61b8fb0ec7be60fc8fbcd556b3485ca188a2faca00b9282f48b2ea5acfac692f
[INFO] running `Command { std: "docker" "start" "-a" "61b8fb0ec7be60fc8fbcd556b3485ca188a2faca00b9282f48b2ea5acfac692f", kill_on_drop: false }`
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "61b8fb0ec7be60fc8fbcd556b3485ca188a2faca00b9282f48b2ea5acfac692f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b8fb0ec7be60fc8fbcd556b3485ca188a2faca00b9282f48b2ea5acfac692f", kill_on_drop: false }`
[INFO] [stdout] 61b8fb0ec7be60fc8fbcd556b3485ca188a2faca00b9282f48b2ea5acfac692f