[INFO] updating cached repository https://github.com/andersmartini/rxrs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a35e2f80c853107627a727454e61d9af4a498ee1
[INFO] testing andersmartini/rxrs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandersmartini%2Frxrs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andersmartini/rxrs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/andersmartini/rxrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e71c421dc3912be32dc9dd66ca3ce09e6057fb80c39d69be2f32b6c877f84e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e71c421dc3912be32dc9dd66ca3ce09e6057fb80c39d69be2f32b6c877f84e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e71c421dc3912be32dc9dd66ca3ce09e6057fb80c39d69be2f32b6c877f84e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e71c421dc3912be32dc9dd66ca3ce09e6057fb80c39d69be2f32b6c877f84e2", kill_on_drop: false }`
[INFO] [stdout] 3e71c421dc3912be32dc9dd66ca3ce09e6057fb80c39d69be2f32b6c877f84e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b48d918190ea9e7015232fcd180cc283a852258c7052b1e50c37d972656ae0ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b48d918190ea9e7015232fcd180cc283a852258c7052b1e50c37d972656ae0ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn next(&self, value:T){}
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obs`
[INFO] [stdout]   --> src/main.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn subscribe(&mut self, obs:ObserverImpl<T>){}
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_obs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/main.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn from(&self, values: Vec<T>){}
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `associated_type`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     associated_type:T,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `isSubscribed` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     isSubscribed:bool
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_subscribed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "b48d918190ea9e7015232fcd180cc283a852258c7052b1e50c37d972656ae0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48d918190ea9e7015232fcd180cc283a852258c7052b1e50c37d972656ae0ab", kill_on_drop: false }`
[INFO] [stdout] b48d918190ea9e7015232fcd180cc283a852258c7052b1e50c37d972656ae0ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 968f0e1e6f714c0c5decf23bdb9921be5ae891bd0f93ac9b3fc6193020db1b12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "968f0e1e6f714c0c5decf23bdb9921be5ae891bd0f93ac9b3fc6193020db1b12", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn next(&self, value:T){}
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obs`
[INFO] [stdout]   --> src/main.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn subscribe(&mut self, obs:ObserverImpl<T>){}
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_obs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/main.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn from(&self, values: Vec<T>){}
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `associated_type`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     associated_type:T,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `isSubscribed` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     isSubscribed:bool
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_subscribed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "968f0e1e6f714c0c5decf23bdb9921be5ae891bd0f93ac9b3fc6193020db1b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968f0e1e6f714c0c5decf23bdb9921be5ae891bd0f93ac9b3fc6193020db1b12", kill_on_drop: false }`
[INFO] [stdout] 968f0e1e6f714c0c5decf23bdb9921be5ae891bd0f93ac9b3fc6193020db1b12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ebc6ac4bb7905b53cc57be3daa8c88b31e968b11924e9ed09f3736a240bddae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ebc6ac4bb7905b53cc57be3daa8c88b31e968b11924e9ed09f3736a240bddae", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rxrs-5decc2f7551210cf
[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 `Command { std: "docker" "inspect" "4ebc6ac4bb7905b53cc57be3daa8c88b31e968b11924e9ed09f3736a240bddae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebc6ac4bb7905b53cc57be3daa8c88b31e968b11924e9ed09f3736a240bddae", kill_on_drop: false }`
[INFO] [stdout] 4ebc6ac4bb7905b53cc57be3daa8c88b31e968b11924e9ed09f3736a240bddae