[INFO] fetching crate hakuna 0.0.1...
[INFO] testing hakuna-0.0.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate hakuna 0.0.1 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate hakuna 0.0.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hakuna 0.0.1
[INFO] finished tweaking crates.io crate hakuna 0.0.1
[INFO] tweaked toml for crates.io crate hakuna 0.0.1 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d87ce144870f6165dff9409286c66a9c71b9490fd969d1c87463605d1f56da1
[INFO] running `Command { std: "docker" "start" "-a" "9d87ce144870f6165dff9409286c66a9c71b9490fd969d1c87463605d1f56da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d87ce144870f6165dff9409286c66a9c71b9490fd969d1c87463605d1f56da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d87ce144870f6165dff9409286c66a9c71b9490fd969d1c87463605d1f56da1", kill_on_drop: false }`
[INFO] [stdout] 9d87ce144870f6165dff9409286c66a9c71b9490fd969d1c87463605d1f56da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e639209d0602b69aa470bcd1ba6bc8b5f687a07c50810eba417fa0bf3f4916
[INFO] running `Command { std: "docker" "start" "-a" "b7e639209d0602b69aa470bcd1ba6bc8b5f687a07c50810eba417fa0bf3f4916", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hakuna v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/utils/placeholder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b7e639209d0602b69aa470bcd1ba6bc8b5f687a07c50810eba417fa0bf3f4916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e639209d0602b69aa470bcd1ba6bc8b5f687a07c50810eba417fa0bf3f4916", kill_on_drop: false }`
[INFO] [stdout] b7e639209d0602b69aa470bcd1ba6bc8b5f687a07c50810eba417fa0bf3f4916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bfc6a6ea3cafab28d7c5eb8cf6ece5d16a902f7075d340c393ed90372c5ed65
[INFO] running `Command { std: "docker" "start" "-a" "2bfc6a6ea3cafab28d7c5eb8cf6ece5d16a902f7075d340c393ed90372c5ed65", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/utils/placeholder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hakuna v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/utils/placeholder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "2bfc6a6ea3cafab28d7c5eb8cf6ece5d16a902f7075d340c393ed90372c5ed65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfc6a6ea3cafab28d7c5eb8cf6ece5d16a902f7075d340c393ed90372c5ed65", kill_on_drop: false }`
[INFO] [stdout] 2bfc6a6ea3cafab28d7c5eb8cf6ece5d16a902f7075d340c393ed90372c5ed65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e111dea34cf7ea1b1979c29fbb3e124a761a06255c23bee56ee0a9338e06151e
[INFO] running `Command { std: "docker" "start" "-a" "e111dea34cf7ea1b1979c29fbb3e124a761a06255c23bee56ee0a9338e06151e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `count`
[INFO] [stderr]  --> src/utils/placeholder.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     count: i32,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hakuna` (lib) generated 1 warning
[INFO] [stderr] warning: `hakuna` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hakuna-ccede39d0ac99f0d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hakuna
[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] [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" "e111dea34cf7ea1b1979c29fbb3e124a761a06255c23bee56ee0a9338e06151e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e111dea34cf7ea1b1979c29fbb3e124a761a06255c23bee56ee0a9338e06151e", kill_on_drop: false }`
[INFO] [stdout] e111dea34cf7ea1b1979c29fbb3e124a761a06255c23bee56ee0a9338e06151e