[INFO] cloning repository https://github.com/buxx/rollac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buxx/rollac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuxx%2Frollac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuxx%2Frollac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81962ddff70e355f78094bfee762b7f4870438c2
[INFO] testing buxx/rollac against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuxx%2Frollac" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buxx/rollac on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buxx/rollac
[INFO] finished tweaking git repo https://github.com/buxx/rollac
[INFO] tweaked toml for git repo https://github.com/buxx/rollac written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/buxx/rollac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a031a4acdb08e76cbc5a6c0731243541407b0c2b9165ca364eebf497e539fe
[INFO] running `Command { std: "docker" "start" "-a" "f8a031a4acdb08e76cbc5a6c0731243541407b0c2b9165ca364eebf497e539fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a031a4acdb08e76cbc5a6c0731243541407b0c2b9165ca364eebf497e539fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a031a4acdb08e76cbc5a6c0731243541407b0c2b9165ca364eebf497e539fe", kill_on_drop: false }`
[INFO] [stdout] f8a031a4acdb08e76cbc5a6c0731243541407b0c2b9165ca364eebf497e539fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaa43e6dc192c160c6fc7e0b06045dfb731ce5b022be6f404488ebb138f8de98
[INFO] running `Command { std: "docker" "start" "-a" "aaa43e6dc192c160c6fc7e0b06045dfb731ce5b022be6f404488ebb138f8de98", kill_on_drop: false }`
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[INFO] [stderr]    Compiling async-std v1.8.0
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[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling websocket-base v0.26.2
[INFO] [stderr]    Compiling websocket v0.26.2
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling rollac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ws_reader_handle`
[INFO] [stdout]   --> src/socket.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ws_reader_handle: Option<JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ws_sender_handle`
[INFO] [stdout]   --> src/socket.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ws_sender_handle: Option<JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `closing`
[INFO] [stdout]   --> src/socket.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     closing: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]    --> src/socket.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub async fn close(&mut self) -> Result<(), error::Error> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tile_id`
[INFO] [stdout]   --> src/world.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn tile_id(&self, row_i: i32, col_i: i32) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "aaa43e6dc192c160c6fc7e0b06045dfb731ce5b022be6f404488ebb138f8de98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa43e6dc192c160c6fc7e0b06045dfb731ce5b022be6f404488ebb138f8de98", kill_on_drop: false }`
[INFO] [stdout] aaa43e6dc192c160c6fc7e0b06045dfb731ce5b022be6f404488ebb138f8de98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c9b435f4d81cb4cfa0ee723383d2e99be0513cdcd01208100f6fc913c433cf
[INFO] running `Command { std: "docker" "start" "-a" "37c9b435f4d81cb4cfa0ee723383d2e99be0513cdcd01208100f6fc913c433cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rollac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ws_reader_handle`
[INFO] [stdout]   --> src/socket.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ws_reader_handle: Option<JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ws_sender_handle`
[INFO] [stdout]   --> src/socket.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ws_sender_handle: Option<JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `closing`
[INFO] [stdout]   --> src/socket.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     closing: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]    --> src/socket.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub async fn close(&mut self) -> Result<(), error::Error> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tile_id`
[INFO] [stdout]   --> src/world.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn tile_id(&self, row_i: i32, col_i: i32) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "37c9b435f4d81cb4cfa0ee723383d2e99be0513cdcd01208100f6fc913c433cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c9b435f4d81cb4cfa0ee723383d2e99be0513cdcd01208100f6fc913c433cf", kill_on_drop: false }`
[INFO] [stdout] 37c9b435f4d81cb4cfa0ee723383d2e99be0513cdcd01208100f6fc913c433cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a728bd320ba600151c155ffae8208ee457b911960dbba6564a1561287bf08a84
[INFO] running `Command { std: "docker" "start" "-a" "a728bd320ba600151c155ffae8208ee457b911960dbba6564a1561287bf08a84", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `ws_reader_handle`
[INFO] [stderr]   --> src/socket.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ws_reader_handle: Option<JoinHandle<()>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ws_sender_handle`
[INFO] [stderr]   --> src/socket.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     ws_sender_handle: Option<JoinHandle<()>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `closing`
[INFO] [stderr]   --> src/socket.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     closing: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `close`
[INFO] [stderr]    --> src/socket.rs:181:18
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub async fn close(&mut self) -> Result<(), error::Error> {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `tile_id`
[INFO] [stderr]   --> src/world.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn tile_id(&self, row_i: i32, col_i: i32) -> Option<String> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rollac-c9e30f53f0676eea)
[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" "a728bd320ba600151c155ffae8208ee457b911960dbba6564a1561287bf08a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a728bd320ba600151c155ffae8208ee457b911960dbba6564a1561287bf08a84", kill_on_drop: false }`
[INFO] [stdout] a728bd320ba600151c155ffae8208ee457b911960dbba6564a1561287bf08a84