[INFO] cloning repository https://github.com/46bit/comms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/46bit/comms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F46bit%2Fcomms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F46bit%2Fcomms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d96ab1c55c57c5ae6d84e9064756cabe32135c4
[INFO] testing 46bit/comms against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F46bit%2Fcomms" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/46bit/comms on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/46bit/comms
[INFO] finished tweaking git repo https://github.com/46bit/comms
[INFO] tweaked toml for git repo https://github.com/46bit/comms written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/46bit/comms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.1.2
[INFO] [stderr]   Downloaded clippy_lints v0.0.121
[INFO] [stderr]   Downloaded futures v0.1.13
[INFO] [stderr]   Downloaded tokio-timer v0.1.1
[INFO] [stderr]   Downloaded serde_derive v0.9.13
[INFO] [stderr]   Downloaded serde v0.9.13
[INFO] [stderr]   Downloaded syn v0.11.10
[INFO] [stderr]   Downloaded clippy v0.0.121
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfce9e08cc43990ad5ef6dc70da0734f9136e68a1b977a58ddc13a9fc5c2ab5d
[INFO] running `Command { std: "docker" "start" "-a" "cfce9e08cc43990ad5ef6dc70da0734f9136e68a1b977a58ddc13a9fc5c2ab5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfce9e08cc43990ad5ef6dc70da0734f9136e68a1b977a58ddc13a9fc5c2ab5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfce9e08cc43990ad5ef6dc70da0734f9136e68a1b977a58ddc13a9fc5c2ab5d", kill_on_drop: false }`
[INFO] [stdout] cfce9e08cc43990ad5ef6dc70da0734f9136e68a1b977a58ddc13a9fc5c2ab5d
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0552236230bf7d0d055906ebaf6f321c76e2ee7e25cb2433ec7598317f1ba6
[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" "ab0552236230bf7d0d055906ebaf6f321c76e2ee7e25cb2433ec7598317f1ba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.13
[INFO] [stderr]    Compiling tokio-timer v0.1.1
[INFO] [stderr]    Compiling comms v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "ab0552236230bf7d0d055906ebaf6f321c76e2ee7e25cb2433ec7598317f1ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0552236230bf7d0d055906ebaf6f321c76e2ee7e25cb2433ec7598317f1ba6", kill_on_drop: false }`
[INFO] [stdout] ab0552236230bf7d0d055906ebaf6f321c76e2ee7e25cb2433ec7598317f1ba6
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d988fc11978ab9a734bbce7e44a6e1c18212c829d241b516f9adc12f1dee383
[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" "7d988fc11978ab9a734bbce7e44a6e1c18212c829d241b516f9adc12f1dee383", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling comms v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn unpark_noop() -> Arc<executor::Unpark> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn executor::Unpark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.62s
[INFO] running `Command { std: "docker" "inspect" "7d988fc11978ab9a734bbce7e44a6e1c18212c829d241b516f9adc12f1dee383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d988fc11978ab9a734bbce7e44a6e1c18212c829d241b516f9adc12f1dee383", kill_on_drop: false }`
[INFO] [stdout] 7d988fc11978ab9a734bbce7e44a6e1c18212c829d241b516f9adc12f1dee383
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43e018c8e9a2b20458485bb482b680d442236a254bd3eff1cf91ec5e783bc60f
[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" "43e018c8e9a2b20458485bb482b680d442236a254bd3eff1cf91ec5e783bc60f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 22 tests
[INFO] [stderr]    --> src/client/mod.rs:126:39
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/mod.rs:126:39
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn unpark_noop() -> Arc<executor::Unpark> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn executor::Unpark`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/comms-be7eef9e58a6166c
[INFO] [stdout] test client::receive::tests::can_receive ... ok
[INFO] [stdout] test client::receive::tests::can_receive_an_error ... ok
[INFO] [stdout] test client::receive::tests::can_receive_well_behaved ... ok
[INFO] [stdout] test client::tests::can_close ... ok
[INFO] [stdout] test client::tests::can_receive ... ok
[INFO] [stdout] test client::tests::can_status ... ok
[INFO] [stdout] test client::tests::can_join_room ... ok
[INFO] [stdout] test client::receive::tests::can_soft_receive_an_error ... ok
[INFO] [stdout] test client::receive::tests::can_hard_receive_in_time ... ok
[INFO] [stdout] test room::tests::can_statuses ... ok
[INFO] [stdout] test room::tests::can_transmit ... ok
[INFO] [stdout] test client::receive::tests::can_hard_receive_an_error ... ok
[INFO] [stdout] test room::tests::can_broadcast_all ... ok
[INFO] [stdout] test room::tests::can_receive_all ... ok
[INFO] [stdout] test client::tests::stream_and_sink_separate ... ok
[INFO] [stdout] test client::tests::can_transmit ... ok
[INFO] [stdout] test client::receive::tests::can_soft_receive_in_time ... ok
[INFO] [stdout] test client::receive::tests::can_receive_for_3_seconds ... ok
[INFO] [stdout] test client::receive::tests::can_hard_receive_a_timeout ... ok
[INFO] [stdout] test client::receive::tests::can_soft_receive_a_timeout ... ok
[INFO] [stdout] test client::receive::tests::can_receive_with_soft_timeout_well_behaved ... ok
[INFO] [stderr]    Doc-tests comms
[INFO] [stdout] test client::receive::tests::can_receive_with_hard_timeout_well_behaved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.94s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/client/mod.rs - client::Client<I, C>::transmit (line 85) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43e018c8e9a2b20458485bb482b680d442236a254bd3eff1cf91ec5e783bc60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e018c8e9a2b20458485bb482b680d442236a254bd3eff1cf91ec5e783bc60f", kill_on_drop: false }`
[INFO] [stdout] 43e018c8e9a2b20458485bb482b680d442236a254bd3eff1cf91ec5e783bc60f