[INFO] fetching crate embly 0.0.5...
[INFO] testing embly-0.0.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate embly 0.0.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate embly 0.0.5 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 crates.io crate embly 0.0.5
[INFO] finished tweaking crates.io crate embly 0.0.5
[INFO] tweaked toml for crates.io crate embly 0.0.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 quick-protobuf v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] d71a0f81e393de9de120da354677c8acb5e961a2d7e78683ceaa997fb8c05d4c
[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" "d71a0f81e393de9de120da354677c8acb5e961a2d7e78683ceaa997fb8c05d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d71a0f81e393de9de120da354677c8acb5e961a2d7e78683ceaa997fb8c05d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71a0f81e393de9de120da354677c8acb5e961a2d7e78683ceaa997fb8c05d4c", kill_on_drop: false }`
[INFO] [stdout] d71a0f81e393de9de120da354677c8acb5e961a2d7e78683ceaa997fb8c05d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7c5ac3a56bc9c5100f8e9a858106e00892b59e975a6d51acc0cdbe2721c26cf0
[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" "7c5ac3a56bc9c5100f8e9a858106e00892b59e975a6d51acc0cdbe2721c26cf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling quick-protobuf v0.6.4
[INFO] [stderr]    Compiling embly v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:72:55
[INFO] [stdout]    |
[INFO] [stdout] 72 |     static ref EVENT_REGISTRY: Mutex<BTreeSet<i32>> = { Mutex::new(BTreeSet::new()) };
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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 8.15s
[INFO] running `Command { std: "docker" "inspect" "7c5ac3a56bc9c5100f8e9a858106e00892b59e975a6d51acc0cdbe2721c26cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5ac3a56bc9c5100f8e9a858106e00892b59e975a6d51acc0cdbe2721c26cf0", kill_on_drop: false }`
[INFO] [stdout] 7c5ac3a56bc9c5100f8e9a858106e00892b59e975a6d51acc0cdbe2721c26cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 21d077412a830dd01f58824afb3eb887378a2fd38682c8ad039ccb4e89aab796
[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" "21d077412a830dd01f58824afb3eb887378a2fd38682c8ad039ccb4e89aab796", kill_on_drop: false }`
[INFO] [stderr]    Compiling embly v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:72:55
[INFO] [stdout]    |
[INFO] [stdout] 72 |     static ref EVENT_REGISTRY: Mutex<BTreeSet<i32>> = { Mutex::new(BTreeSet::new()) };
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/http.rs:403:9
[INFO] [stdout]     |
[INFO] [stdout] 403 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:72:55
[INFO] [stdout]    |
[INFO] [stdout] 72 |     static ref EVENT_REGISTRY: Mutex<BTreeSet<i32>> = { Mutex::new(BTreeSet::new()) };
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "21d077412a830dd01f58824afb3eb887378a2fd38682c8ad039ccb4e89aab796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d077412a830dd01f58824afb3eb887378a2fd38682c8ad039ccb4e89aab796", kill_on_drop: false }`
[INFO] [stdout] 21d077412a830dd01f58824afb3eb887378a2fd38682c8ad039ccb4e89aab796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 039b34ae82a6d1efb76c1d21d5fb95ec344caae31ce9eff4bc47cac9e06014a0
[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" "039b34ae82a6d1efb76c1d21d5fb95ec344caae31ce9eff4bc47cac9e06014a0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:72:55
[INFO] [stderr]    |
[INFO] [stderr] 72 |     static ref EVENT_REGISTRY: Mutex<BTreeSet<i32>> = { Mutex::new(BTreeSet::new()) };
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/http.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:72:55
[INFO] [stderr]    |
[INFO] [stderr] 72 |     static ref EVENT_REGISTRY: Mutex<BTreeSet<i32>> = { Mutex::new(BTreeSet::new()) };
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[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/embly-83c8e57f6bde6fd2
[INFO] [stderr]    Doc-tests embly
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test proto::tests::test_proto ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:72:55
[INFO] [stderr]    |
[INFO] [stderr] 72 |     static ref EVENT_REGISTRY: Mutex<BTreeSet<i32>> = { Mutex::new(BTreeSet::new()) };
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 13 tests
[INFO] [stderr] 
[INFO] [stdout] test src/http.rs - http::run (line 317) ... ok
[INFO] [stdout] test src/http.rs - http (line 7) ... ok
[INFO] [stdout] test src/http.rs - http::run_catch_error (line 359) ... ok
[INFO] [stdout] test src/lib.rs - Conn (line 84) ... ok
[INFO] [stdout] test src/lib.rs - Conn::wait (line 164) ... ok
[INFO] [stdout] test src/lib.rs - Conn (line 107) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 58) ... ok
[INFO] [stdout] test src/kv.rs - kv (line 3) ... ok
[INFO] [stdout] test src/http.rs - http::ResponseWriter (line 115) ... ok
[INFO] [stdout] test src/lib.rs - Conn::wait (line 153) ... ok
[INFO] [stdout] test src/lib.rs - spawn_function (line 192) ... ok
[INFO] [stdout] test src/lib.rs - run (line 417) ... ok
[INFO] [stdout] test src/lib.rs - run_catch_error (line 449) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "039b34ae82a6d1efb76c1d21d5fb95ec344caae31ce9eff4bc47cac9e06014a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039b34ae82a6d1efb76c1d21d5fb95ec344caae31ce9eff4bc47cac9e06014a0", kill_on_drop: false }`
[INFO] [stdout] 039b34ae82a6d1efb76c1d21d5fb95ec344caae31ce9eff4bc47cac9e06014a0