[INFO] fetching crate chiral-client 0.2.2...
[INFO] building chiral-client-0.2.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate chiral-client 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate chiral-client 0.2.2
[INFO] finished tweaking crates.io crate chiral-client 0.2.2
[INFO] tweaked toml for crates.io crate chiral-client 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate chiral-client 0.2.2 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 chiral-client 0.2.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd82df43ee01afe4c722234be39167457faecd60d2b192d1f6244fd6388caf3d
[INFO] running `Command { std: "docker" "start" "-a" "cd82df43ee01afe4c722234be39167457faecd60d2b192d1f6244fd6388caf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd82df43ee01afe4c722234be39167457faecd60d2b192d1f6244fd6388caf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd82df43ee01afe4c722234be39167457faecd60d2b192d1f6244fd6388caf3d", kill_on_drop: false }`
[INFO] [stdout] cd82df43ee01afe4c722234be39167457faecd60d2b192d1f6244fd6388caf3d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e91236423c38f2640b1cf1d350a704ac68e4a9d471a0c67d66a30bb61b18af98
[INFO] running `Command { std: "docker" "start" "-a" "e91236423c38f2640b1cf1d350a704ac68e4a9d471a0c67d66a30bb61b18af98", kill_on_drop: false }`
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[INFO] [stderr]    Compiling chiral-client v0.2.2 (/opt/rustwide/workdir)
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "e91236423c38f2640b1cf1d350a704ac68e4a9d471a0c67d66a30bb61b18af98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91236423c38f2640b1cf1d350a704ac68e4a9d471a0c67d66a30bb61b18af98", kill_on_drop: false }`
[INFO] [stdout] e91236423c38f2640b1cf1d350a704ac68e4a9d471a0c67d66a30bb61b18af98
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40fdb59af70eb2d5081b9726d42c4ba5fffcf7bdfa66c53f1cef4420acec863c
[INFO] running `Command { std: "docker" "start" "-a" "40fdb59af70eb2d5081b9726d42c4ba5fffcf7bdfa66c53f1cef4420acec863c", kill_on_drop: false }`
[INFO] [stderr]    Compiling chiral-client v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/file.rs:492:14
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let (handle, addr, shutdown_tx) = spawn_test_ftp_server_with_shutdown_ready();
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown_tx`
[INFO] [stdout]    --> src/file.rs:492:28
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let (handle, addr, shutdown_tx) = spawn_test_ftp_server_with_shutdown_ready();
[INFO] [stdout]     |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         client.change_directory("upload1");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let _ = client.change_directory("upload1");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "40fdb59af70eb2d5081b9726d42c4ba5fffcf7bdfa66c53f1cef4420acec863c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fdb59af70eb2d5081b9726d42c4ba5fffcf7bdfa66c53f1cef4420acec863c", kill_on_drop: false }`
[INFO] [stdout] 40fdb59af70eb2d5081b9726d42c4ba5fffcf7bdfa66c53f1cef4420acec863c