[INFO] updating cached repository https://github.com/andersmartini/rxrs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a35e2f80c853107627a727454e61d9af4a498ee1
[INFO] checking andersmartini/rxrs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandersmartini%2Frxrs" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andersmartini/rxrs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andersmartini/rxrs
[INFO] finished tweaking git repo https://github.com/andersmartini/rxrs
[INFO] tweaked toml for git repo https://github.com/andersmartini/rxrs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/andersmartini/rxrs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1fd19933f191136794274c0fff21a3ded901f54a8c51a26cbfbf829ed2da197b
[INFO] running `"docker" "start" "-a" "1fd19933f191136794274c0fff21a3ded901f54a8c51a26cbfbf829ed2da197b"`
[INFO] [stderr]     Checking rxrs v0.1.0 (/opt/rustwide/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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn next(&self, value:T){}
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "1fd19933f191136794274c0fff21a3ded901f54a8c51a26cbfbf829ed2da197b"`
[INFO] running `"docker" "rm" "-f" "1fd19933f191136794274c0fff21a3ded901f54a8c51a26cbfbf829ed2da197b"`
[INFO] [stdout] 1fd19933f191136794274c0fff21a3ded901f54a8c51a26cbfbf829ed2da197b