[INFO] fetching crate jackiechan 0.0.2...
[INFO] testing jackiechan-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jackiechan 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate jackiechan 0.0.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jackiechan 0.0.2
[INFO] finished tweaking crates.io crate jackiechan 0.0.2
[INFO] tweaked toml for crates.io crate jackiechan 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] c980f76f8d8f69eb3f41cd436bc5defb8eff789b16b35e2da075fa7635999e85
[INFO] running `Command { std: "docker" "start" "-a" "c980f76f8d8f69eb3f41cd436bc5defb8eff789b16b35e2da075fa7635999e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c980f76f8d8f69eb3f41cd436bc5defb8eff789b16b35e2da075fa7635999e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c980f76f8d8f69eb3f41cd436bc5defb8eff789b16b35e2da075fa7635999e85", kill_on_drop: false }`
[INFO] [stdout] c980f76f8d8f69eb3f41cd436bc5defb8eff789b16b35e2da075fa7635999e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 25faaa0c4c97be6ca62f93fe767bdd150e60bca30b2713fcdb5dd90e8494e590
[INFO] running `Command { std: "docker" "start" "-a" "25faaa0c4c97be6ca62f93fe767bdd150e60bca30b2713fcdb5dd90e8494e590", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling jackiechan v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "25faaa0c4c97be6ca62f93fe767bdd150e60bca30b2713fcdb5dd90e8494e590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25faaa0c4c97be6ca62f93fe767bdd150e60bca30b2713fcdb5dd90e8494e590", kill_on_drop: false }`
[INFO] [stdout] 25faaa0c4c97be6ca62f93fe767bdd150e60bca30b2713fcdb5dd90e8494e590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cc9a599ca03252ae94a8c6fc2517354691f2548e082f3d3a51a387acb573952
[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" "5cc9a599ca03252ae94a8c6fc2517354691f2548e082f3d3a51a387acb573952", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling blocking v0.6.1
[INFO] [stderr]    Compiling jackiechan v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "5cc9a599ca03252ae94a8c6fc2517354691f2548e082f3d3a51a387acb573952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc9a599ca03252ae94a8c6fc2517354691f2548e082f3d3a51a387acb573952", kill_on_drop: false }`
[INFO] [stdout] 5cc9a599ca03252ae94a8c6fc2517354691f2548e082f3d3a51a387acb573952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] ca344c1d19c1d8832ed6a2756bab8d697a899a2727f1ad049e0bdab7bf2365de
[INFO] running `Command { std: "docker" "start" "-a" "ca344c1d19c1d8832ed6a2756bab8d697a899a2727f1ad049e0bdab7bf2365de", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jackiechan-a6c0f776f9e63f75
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jackiechan
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - Receiver<T>::receiver_count (line 698) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::len (line 666) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::try_recv (line 471) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::capacity (line 684) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_closed (line 616) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::sender_count (line 715) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::capacity (line 373) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::close (line 284) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_empty (line 633) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_full (line 649) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::async_send (line 232) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 506) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::close (line 598) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::is_empty (line 319) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::is_closed (line 302) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::sender_count (line 404) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::len (line 355) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::receiver_count (line 387) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::is_full (line 338) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 182) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::try_send (line 145) ... ok
[INFO] [stdout] test src/lib.rs - bounded (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca344c1d19c1d8832ed6a2756bab8d697a899a2727f1ad049e0bdab7bf2365de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca344c1d19c1d8832ed6a2756bab8d697a899a2727f1ad049e0bdab7bf2365de", kill_on_drop: false }`
[INFO] [stdout] ca344c1d19c1d8832ed6a2756bab8d697a899a2727f1ad049e0bdab7bf2365de