[INFO] fetching crate simple-collections 0.1.0...
[INFO] testing simple-collections-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate simple-collections 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate simple-collections 0.1.0
[INFO] finished tweaking crates.io crate simple-collections 0.1.0
[INFO] tweaked toml for crates.io crate simple-collections 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-collections 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20ee99a539ea06e266201f57f2ac48001684dba7adc42e051aa5888ef916450e
[INFO] running `Command { std: "docker" "start" "-a" "20ee99a539ea06e266201f57f2ac48001684dba7adc42e051aa5888ef916450e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20ee99a539ea06e266201f57f2ac48001684dba7adc42e051aa5888ef916450e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ee99a539ea06e266201f57f2ac48001684dba7adc42e051aa5888ef916450e", kill_on_drop: false }`
[INFO] [stdout] 20ee99a539ea06e266201f57f2ac48001684dba7adc42e051aa5888ef916450e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b40229c528c7e3194e57196701ed19d9e661c4c9eefb5ad980f4f3576d1d33
[INFO] running `Command { std: "docker" "start" "-a" "a9b40229c528c7e3194e57196701ed19d9e661c4c9eefb5ad980f4f3576d1d33", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a9b40229c528c7e3194e57196701ed19d9e661c4c9eefb5ad980f4f3576d1d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b40229c528c7e3194e57196701ed19d9e661c4c9eefb5ad980f4f3576d1d33", kill_on_drop: false }`
[INFO] [stdout] a9b40229c528c7e3194e57196701ed19d9e661c4c9eefb5ad980f4f3576d1d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2b61e94dad9d03a12346e89cb92ac077cd0baf18df96b9864289380a502df3
[INFO] running `Command { std: "docker" "start" "-a" "be2b61e94dad9d03a12346e89cb92ac077cd0baf18df96b9864289380a502df3", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/stack.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/queue.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "be2b61e94dad9d03a12346e89cb92ac077cd0baf18df96b9864289380a502df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2b61e94dad9d03a12346e89cb92ac077cd0baf18df96b9864289380a502df3", kill_on_drop: false }`
[INFO] [stdout] be2b61e94dad9d03a12346e89cb92ac077cd0baf18df96b9864289380a502df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e689ebb1934d205b7512caaa83cf9c9a9aca3a1d3a0c0a764fd99169f4bc029
[INFO] running `Command { std: "docker" "start" "-a" "5e689ebb1934d205b7512caaa83cf9c9a9aca3a1d3a0c0a764fd99169f4bc029", kill_on_drop: false }`
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/stack.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn test() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/queue.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn test() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-collections` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_collections-10c2e7b5c659790e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_collections
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e689ebb1934d205b7512caaa83cf9c9a9aca3a1d3a0c0a764fd99169f4bc029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e689ebb1934d205b7512caaa83cf9c9a9aca3a1d3a0c0a764fd99169f4bc029", kill_on_drop: false }`
[INFO] [stdout] 5e689ebb1934d205b7512caaa83cf9c9a9aca3a1d3a0c0a764fd99169f4bc029