[INFO] crate dharma 0.1.0 is already in cache
[INFO] extracting crate dharma 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/dharma/0.1.0
[INFO] extracting crate dharma 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dharma/0.1.0
[INFO] validating manifest of dharma-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dharma-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dharma-0.1.0
[INFO] finished frobbing dharma-0.1.0
[INFO] frobbed toml for dharma-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dharma/0.1.0/Cargo.toml
[INFO] started frobbing dharma-0.1.0
[INFO] finished frobbing dharma-0.1.0
[INFO] frobbed toml for dharma-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dharma/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dharma-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dharma/0.1.0:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 763c123ffd4bfbd0a0c0e1b151d0074ab87c7783fbb2e242c8bd9fa77f8660e8
[INFO] running `"docker" "start" "-a" "763c123ffd4bfbd0a0c0e1b151d0074ab87c7783fbb2e242c8bd9fa77f8660e8"`
[INFO] [stderr]    Compiling timerfd v0.2.0
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling dharma v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/signaler.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         for mut sender in mine.registry.iter_mut() {
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/event_loop.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |         for mut m in self.modules.iter_mut() {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/event_loop.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |         for mut m in self.modules.iter_mut() {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `"docker" "inspect" "763c123ffd4bfbd0a0c0e1b151d0074ab87c7783fbb2e242c8bd9fa77f8660e8"`
[INFO] running `"docker" "rm" "-f" "763c123ffd4bfbd0a0c0e1b151d0074ab87c7783fbb2e242c8bd9fa77f8660e8"`
[INFO] [stdout] 763c123ffd4bfbd0a0c0e1b151d0074ab87c7783fbb2e242c8bd9fa77f8660e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dharma/0.1.0:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a5793ab1dea1e404a9e5e0cba9ba699af316cf9448e1aee9b80a8c7d2adfd6a
[INFO] running `"docker" "start" "-a" "6a5793ab1dea1e404a9e5e0cba9ba699af316cf9448e1aee9b80a8c7d2adfd6a"`
[INFO] [stderr]    Compiling dharma v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/signaler.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         for mut sender in mine.registry.iter_mut() {
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/event_loop.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |         for mut m in self.modules.iter_mut() {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/event_loop.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |         for mut m in self.modules.iter_mut() {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "6a5793ab1dea1e404a9e5e0cba9ba699af316cf9448e1aee9b80a8c7d2adfd6a"`
[INFO] running `"docker" "rm" "-f" "6a5793ab1dea1e404a9e5e0cba9ba699af316cf9448e1aee9b80a8c7d2adfd6a"`
[INFO] [stdout] 6a5793ab1dea1e404a9e5e0cba9ba699af316cf9448e1aee9b80a8c7d2adfd6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dharma/0.1.0:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d1d27cdc19479306f2dade12954131c516794720835cb653266f92d0a8224473
[INFO] running `"docker" "start" "-a" "d1d27cdc19479306f2dade12954131c516794720835cb653266f92d0a8224473"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dharma-cca10b96e0f5f6ca
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test bridge::test_receiver::test_receiver_one_push_receive ... ok
[INFO] [stdout] test bridge::test_receiver::test_receiver_push_receive_in_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_bridge-97a803b65267d2d2
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_one_sender_with_one_receiver_once ... ok
[INFO] [stdout] test test_one_sender_with_two_receivers ... ok
[INFO] [stdout] test test_two_direct_senders_with_one_receiver ... ok
[INFO] [stdout] test test_many_senders_with_many_receivers ... ok
[INFO] [stdout] test test_one_sender_with_one_receiver_repeatedly ... ok
[INFO] [stdout] test test_one_sender_with_one_receiver_threaded ... ok
[INFO] [stdout] test test_two_senders_with_one_receiver ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_event_loop-b2c4587d1ccda957
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_execution_of_one_module ... ok
[INFO] [stdout] test test_execution_of_two_modules ... ok
[INFO] [stdout] test test_execution_of_two_modules_in_different_threads ... ok
[INFO] [stdout] test test_life_of_two_modules ... ok
[INFO] [stdout] test test_life_of_one_module ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_signaler-dd166cb26866e6b8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_subscribe_two_recevers_on_different_signals ... ok
[INFO] [stdout] test test_subscribe_one_recever_threaded ... ok
[INFO] [stdout] test test_subscribe_two_recevers_on_same_signal ... ok
[INFO] [stdout] test test_subscribe_one_recever_on_one_singnal ... ok
[INFO] [stdout] test test_subscribe_one_recever_on_two_singnals ... ok
[INFO] [stderr]    Doc-tests dharma
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/dharma.rs - bridge (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d1d27cdc19479306f2dade12954131c516794720835cb653266f92d0a8224473"`
[INFO] running `"docker" "rm" "-f" "d1d27cdc19479306f2dade12954131c516794720835cb653266f92d0a8224473"`
[INFO] [stdout] d1d27cdc19479306f2dade12954131c516794720835cb653266f92d0a8224473