[INFO] fetching crate paperplane 0.4.0...
[INFO] testing paperplane-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate paperplane 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate paperplane 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate paperplane 0.4.0
[INFO] finished tweaking crates.io crate paperplane 0.4.0
[INFO] tweaked toml for crates.io crate paperplane 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate paperplane 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8727f873991c386e77ab566988ea83a76522a0cea944c7897f34034c0b75719a
[INFO] running `Command { std: "docker" "start" "-a" "8727f873991c386e77ab566988ea83a76522a0cea944c7897f34034c0b75719a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8727f873991c386e77ab566988ea83a76522a0cea944c7897f34034c0b75719a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8727f873991c386e77ab566988ea83a76522a0cea944c7897f34034c0b75719a", kill_on_drop: false }`
[INFO] [stdout] 8727f873991c386e77ab566988ea83a76522a0cea944c7897f34034c0b75719a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5376b623e6ed890d2fcdeaffd163f4799646552c0974722ac1915ab18e4443ec
[INFO] running `Command { std: "docker" "start" "-a" "5376b623e6ed890d2fcdeaffd163f4799646552c0974722ac1915ab18e4443ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling vec-arena v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling async-io v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling async-tungstenite v0.13.1
[INFO] [stderr]    Compiling paperplane v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.31s
[INFO] running `Command { std: "docker" "inspect" "5376b623e6ed890d2fcdeaffd163f4799646552c0974722ac1915ab18e4443ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5376b623e6ed890d2fcdeaffd163f4799646552c0974722ac1915ab18e4443ec", kill_on_drop: false }`
[INFO] [stdout] 5376b623e6ed890d2fcdeaffd163f4799646552c0974722ac1915ab18e4443ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d202e3e243acfed09b42a241654ac2ee45e461ebff947a864199eeecc4ab7ef
[INFO] running `Command { std: "docker" "start" "-a" "2d202e3e243acfed09b42a241654ac2ee45e461ebff947a864199eeecc4ab7ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling paperplane v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.51s
[INFO] running `Command { std: "docker" "inspect" "2d202e3e243acfed09b42a241654ac2ee45e461ebff947a864199eeecc4ab7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d202e3e243acfed09b42a241654ac2ee45e461ebff947a864199eeecc4ab7ef", kill_on_drop: false }`
[INFO] [stdout] 2d202e3e243acfed09b42a241654ac2ee45e461ebff947a864199eeecc4ab7ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08d53847376a68eb5ac6a09ecaed1048b4dd8be397cac02b06795fadf14dd2d2
[INFO] running `Command { std: "docker" "start" "-a" "08d53847376a68eb5ac6a09ecaed1048b4dd8be397cac02b06795fadf14dd2d2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/paperplane-d1b2a6338ff1f2fa)
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running tests/server.rs (/opt/rustwide/target/debug/deps/server-9ff95658bfd52590)
[INFO] [stdout] test event::tests::into ... ok
[INFO] [stdout] test event::tests::try_into ... ok
[INFO] [stdout] test event::tests::variant_connected ... ok
[INFO] [stdout] test event::tests::variant_disconnected ... ok
[INFO] [stdout] test event::tests::variant_kicked ... ok
[INFO] [stdout] test event::tests::variant_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test receive ... ok
[INFO] [stdout] test close ... ok
[INFO] [stdout] test send ... ok
[INFO] [stdout] test send_convert ... ok
[INFO] [stdout] test receive_convert ... ok
[INFO] [stdout] test disconnect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests paperplane
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08d53847376a68eb5ac6a09ecaed1048b4dd8be397cac02b06795fadf14dd2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d53847376a68eb5ac6a09ecaed1048b4dd8be397cac02b06795fadf14dd2d2", kill_on_drop: false }`
[INFO] [stdout] 08d53847376a68eb5ac6a09ecaed1048b4dd8be397cac02b06795fadf14dd2d2