[INFO] fetching crate cube-engine 0.1.0...
[INFO] checking cube-engine-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate cube-engine 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cube-engine 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cube-engine 0.1.0
[INFO] finished tweaking crates.io crate cube-engine 0.1.0
[INFO] tweaked toml for crates.io crate cube-engine 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc8baadd8b42f903c4a76f48209c62b78878c196ed10e482bce5667d4f06b7e
[INFO] running `Command { std: "docker" "start" "-a" "dfc8baadd8b42f903c4a76f48209c62b78878c196ed10e482bce5667d4f06b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc8baadd8b42f903c4a76f48209c62b78878c196ed10e482bce5667d4f06b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc8baadd8b42f903c4a76f48209c62b78878c196ed10e482bce5667d4f06b7e", kill_on_drop: false }`
[INFO] [stdout] dfc8baadd8b42f903c4a76f48209c62b78878c196ed10e482bce5667d4f06b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c6472c041ab9573fb154db1f319f0fc3b541234f3ccb29e9c58df15733e608
[INFO] running `Command { std: "docker" "start" "-a" "71c6472c041ab9573fb154db1f319f0fc3b541234f3ccb29e9c58df15733e608", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking cube-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io/reader.rs:173:46
[INFO] [stdout]     |
[INFO] [stdout] 173 |             .map_err(|err| make_io_error(err.description()))?;
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io/reader.rs:183:46
[INFO] [stdout]     |
[INFO] [stdout] 183 |             .map_err(|err| make_io_error(err.description()))?;
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:35:43
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn handle_ll_login_request(&mut self, signal: LoginRequest) { cs_only!() }
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn handle_ll_login_accept(&mut self, signal: LoginAccept) {
[INFO] [stdout]    |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn handle_ll_server_disconnect(&mut self, signal: ServerDisconnect) {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn handle_ll_client_disconnect(&mut self, signal: ClientDisconnect) { cs_only!() }
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn handle_ll_ping(&mut self, signal: Ping) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn handle_ll_pong(&mut self, signal: Pong) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn handle_pk_spawn(&mut self, signal: Spawn) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io/reader.rs:173:46
[INFO] [stdout]     |
[INFO] [stdout] 173 |             .map_err(|err| make_io_error(err.description()))?;
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io/reader.rs:183:46
[INFO] [stdout]     |
[INFO] [stdout] 183 |             .map_err(|err| make_io_error(err.description()))?;
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:35:43
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn handle_ll_login_request(&mut self, signal: LoginRequest) { cs_only!() }
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn handle_ll_login_accept(&mut self, signal: LoginAccept) {
[INFO] [stdout]    |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn handle_ll_server_disconnect(&mut self, signal: ServerDisconnect) {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn handle_ll_client_disconnect(&mut self, signal: ClientDisconnect) { cs_only!() }
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn handle_ll_ping(&mut self, signal: Ping) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn handle_ll_pong(&mut self, signal: Pong) {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]   --> src/client/handler.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn handle_pk_spawn(&mut self, signal: Spawn) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "71c6472c041ab9573fb154db1f319f0fc3b541234f3ccb29e9c58df15733e608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c6472c041ab9573fb154db1f319f0fc3b541234f3ccb29e9c58df15733e608", kill_on_drop: false }`
[INFO] [stdout] 71c6472c041ab9573fb154db1f319f0fc3b541234f3ccb29e9c58df15733e608