[INFO] updating cached repository moxaj/friendly-octopus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/moxaj/friendly-octopus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/moxaj/friendly-octopus" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/moxaj/friendly-octopus"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/moxaj/friendly-octopus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/moxaj/friendly-octopus" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/moxaj/friendly-octopus"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/moxaj/friendly-octopus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2de7b1eed5ad7501b2618da6dc53104782c2e514
[INFO] sha for GitHub repo moxaj/friendly-octopus: 2de7b1eed5ad7501b2618da6dc53104782c2e514
[INFO] validating manifest of moxaj/friendly-octopus on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of moxaj/friendly-octopus on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing moxaj/friendly-octopus
[INFO] finished frobbing moxaj/friendly-octopus
[INFO] frobbed toml for moxaj/friendly-octopus written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/moxaj/friendly-octopus/Cargo.toml
[INFO] started frobbing moxaj/friendly-octopus
[INFO] finished frobbing moxaj/friendly-octopus
[INFO] frobbed toml for moxaj/friendly-octopus written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/moxaj/friendly-octopus/Cargo.toml
[INFO] crate moxaj/friendly-octopus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking moxaj/friendly-octopus against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/moxaj/friendly-octopus:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04314c6c20da640d9ca5b17f5efa57ba457f58d27c3dd1cdee2951d32af38b84
[INFO] running `"docker" "start" "-a" "04314c6c20da640d9ca5b17f5efa57ba457f58d27c3dd1cdee2951d32af38b84"`
[INFO] [stderr]     Checking friendly-octopus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/playground.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..1000 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `definition`
[INFO] [stderr]   --> src/server/generator.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn generate(&self, definition: WorldDefinition) -> World {
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider prefixing with an underscore: `_definition`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DefaultWorldGenerator`
[INFO] [stderr]   --> src/server/generator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct DefaultWorldGenerator {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Instance`
[INFO] [stderr]  --> src/server/instance.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Instance {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]  --> src/server/client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Client {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/playground.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..1000 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `definition`
[INFO] [stderr]   --> src/server/generator.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn generate(&self, definition: WorldDefinition) -> World {
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider prefixing with an underscore: `_definition`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DefaultWorldGenerator`
[INFO] [stderr]   --> src/server/generator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct DefaultWorldGenerator {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Instance`
[INFO] [stderr]  --> src/server/instance.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Instance {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]  --> src/server/client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Client {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "04314c6c20da640d9ca5b17f5efa57ba457f58d27c3dd1cdee2951d32af38b84"`
[INFO] running `"docker" "rm" "-f" "04314c6c20da640d9ca5b17f5efa57ba457f58d27c3dd1cdee2951d32af38b84"`
[INFO] [stdout] 04314c6c20da640d9ca5b17f5efa57ba457f58d27c3dd1cdee2951d32af38b84