[INFO] cloning repository https://github.com/ingobeans/rustyhummus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ingobeans/rustyhummus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingobeans%2Frustyhummus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingobeans%2Frustyhummus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5ce9156a7c9dd5caa1a98a41b4b16e7611158fa
[INFO] building ingobeans/rustyhummus against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingobeans%2Frustyhummus" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ingobeans/rustyhummus on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ingobeans/rustyhummus
[INFO] finished tweaking git repo https://github.com/ingobeans/rustyhummus
[INFO] tweaked toml for git repo https://github.com/ingobeans/rustyhummus written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ingobeans/rustyhummus 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4532583b1d65cc858cf26fc4dfa96a626981f95c84bf30879cbc18d4be2936
[INFO] running `Command { std: "docker" "start" "-a" "6c4532583b1d65cc858cf26fc4dfa96a626981f95c84bf30879cbc18d4be2936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4532583b1d65cc858cf26fc4dfa96a626981f95c84bf30879cbc18d4be2936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4532583b1d65cc858cf26fc4dfa96a626981f95c84bf30879cbc18d4be2936", kill_on_drop: false }`
[INFO] [stdout] 6c4532583b1d65cc858cf26fc4dfa96a626981f95c84bf30879cbc18d4be2936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4d41bb68691ab20ab5e2b388ef46dd31ec2679e860ae6e1ded3fcde4a88967
[INFO] running `Command { std: "docker" "start" "-a" "6b4d41bb68691ab20ab5e2b388ef46dd31ec2679e860ae6e1ded3fcde4a88967", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustyhummus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Directory` is never constructed
[INFO] [stdout]  --> src/filesystem.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Item {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 5 |     Directory(Directory),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_dir` and `get_dir` are never used
[INFO] [stdout]   --> src/filesystem.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Directory {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn add_dir(&mut self, name: String, dir: Directory) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn get_dir(&self, name: String) -> Option<&Directory> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_bytes` is never used
[INFO] [stdout]   --> src/filesystem.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl FileContents {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 44 |     pub fn read_bytes(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6b4d41bb68691ab20ab5e2b388ef46dd31ec2679e860ae6e1ded3fcde4a88967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4d41bb68691ab20ab5e2b388ef46dd31ec2679e860ae6e1ded3fcde4a88967", kill_on_drop: false }`
[INFO] [stdout] 6b4d41bb68691ab20ab5e2b388ef46dd31ec2679e860ae6e1ded3fcde4a88967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30c520fa2bfb2e97b9027037ff2af1a950f833f1cf0267b122a692ef90e2fe57
[INFO] running `Command { std: "docker" "start" "-a" "30c520fa2bfb2e97b9027037ff2af1a950f833f1cf0267b122a692ef90e2fe57", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustyhummus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Directory` is never constructed
[INFO] [stdout]  --> src/filesystem.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Item {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 5 |     Directory(Directory),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_dir` and `get_dir` are never used
[INFO] [stdout]   --> src/filesystem.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Directory {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn add_dir(&mut self, name: String, dir: Directory) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn get_dir(&self, name: String) -> Option<&Directory> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_bytes` is never used
[INFO] [stdout]   --> src/filesystem.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl FileContents {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 44 |     pub fn read_bytes(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "30c520fa2bfb2e97b9027037ff2af1a950f833f1cf0267b122a692ef90e2fe57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c520fa2bfb2e97b9027037ff2af1a950f833f1cf0267b122a692ef90e2fe57", kill_on_drop: false }`
[INFO] [stdout] 30c520fa2bfb2e97b9027037ff2af1a950f833f1cf0267b122a692ef90e2fe57