[INFO] updating cached repository andersmartini/rxrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andersmartini/rxrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andersmartini/rxrs" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andersmartini/rxrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andersmartini/rxrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andersmartini/rxrs" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/andersmartini/rxrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/andersmartini/rxrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a35e2f80c853107627a727454e61d9af4a498ee1
[INFO] sha for GitHub repo andersmartini/rxrs: a35e2f80c853107627a727454e61d9af4a498ee1
[INFO] validating manifest of andersmartini/rxrs on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andersmartini/rxrs on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andersmartini/rxrs
[INFO] finished frobbing andersmartini/rxrs
[INFO] frobbed toml for andersmartini/rxrs written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andersmartini/rxrs/Cargo.toml
[INFO] started frobbing andersmartini/rxrs
[INFO] finished frobbing andersmartini/rxrs
[INFO] frobbed toml for andersmartini/rxrs written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/andersmartini/rxrs/Cargo.toml
[INFO] crate andersmartini/rxrs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing andersmartini/rxrs against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andersmartini/rxrs:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] bf5effcd31b69b062733cf208338d3117784f1876b0f1ef17e1558bf67bd4d7e
[INFO] running `"docker" "start" "-a" "bf5effcd31b69b062733cf208338d3117784f1876b0f1ef17e1558bf67bd4d7e"`
[INFO] [stderr]    Compiling rxrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn next(&self, value:T){}
[INFO] [stderr]    |                    ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obs`
[INFO] [stderr]   --> src/main.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn subscribe(&mut self, obs:ObserverImpl<T>){}
[INFO] [stderr]    |                             ^^^ help: consider prefixing with an underscore: `_obs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/main.rs:50:20
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn from(&self, values: Vec<T>){}
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `associated_type`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     associated_type:T,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `isSubscribed` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     isSubscribed:bool
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_subscribed`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "bf5effcd31b69b062733cf208338d3117784f1876b0f1ef17e1558bf67bd4d7e"`
[INFO] running `"docker" "rm" "-f" "bf5effcd31b69b062733cf208338d3117784f1876b0f1ef17e1558bf67bd4d7e"`
[INFO] [stdout] bf5effcd31b69b062733cf208338d3117784f1876b0f1ef17e1558bf67bd4d7e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andersmartini/rxrs:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] da977f36cd7dadc757eafe5f715dbc3786ad9d2a8ce9f014159546e83a499e58
[INFO] running `"docker" "start" "-a" "da977f36cd7dadc757eafe5f715dbc3786ad9d2a8ce9f014159546e83a499e58"`
[INFO] [stderr]    Compiling rxrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn next(&self, value:T){}
[INFO] [stderr]    |                    ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obs`
[INFO] [stderr]   --> src/main.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn subscribe(&mut self, obs:ObserverImpl<T>){}
[INFO] [stderr]    |                             ^^^ help: consider prefixing with an underscore: `_obs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/main.rs:50:20
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn from(&self, values: Vec<T>){}
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `associated_type`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     associated_type:T,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `isSubscribed` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     isSubscribed:bool
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_subscribed`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "da977f36cd7dadc757eafe5f715dbc3786ad9d2a8ce9f014159546e83a499e58"`
[INFO] running `"docker" "rm" "-f" "da977f36cd7dadc757eafe5f715dbc3786ad9d2a8ce9f014159546e83a499e58"`
[INFO] [stdout] da977f36cd7dadc757eafe5f715dbc3786ad9d2a8ce9f014159546e83a499e58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andersmartini/rxrs:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] b29f8c39f5a4cac68aa029ccaa0f85c66a2df0274e2b3d2249582731a9c08e8b
[INFO] running `"docker" "start" "-a" "b29f8c39f5a4cac68aa029ccaa0f85c66a2df0274e2b3d2249582731a9c08e8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rxrs-11dfbff289ff13d6
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b29f8c39f5a4cac68aa029ccaa0f85c66a2df0274e2b3d2249582731a9c08e8b"`
[INFO] running `"docker" "rm" "-f" "b29f8c39f5a4cac68aa029ccaa0f85c66a2df0274e2b3d2249582731a9c08e8b"`
[INFO] [stdout] b29f8c39f5a4cac68aa029ccaa0f85c66a2df0274e2b3d2249582731a9c08e8b