[INFO] fetching crate matrix-sdk-test 0.3.0...
[INFO] testing matrix-sdk-test-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate matrix-sdk-test 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate matrix-sdk-test 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix-sdk-test 0.3.0
[INFO] finished tweaking crates.io crate matrix-sdk-test 0.3.0
[INFO] tweaked toml for crates.io crate matrix-sdk-test 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-macros-impl v0.1.2
[INFO] [stderr]   Downloaded js_int v0.2.1
[INFO] [stderr]   Downloaded time v0.2.27
[INFO] [stderr]   Downloaded standback v0.2.17
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded matrix-sdk-test-macros v0.1.0
[INFO] [stderr]   Downloaded const_fn v0.4.8
[INFO] [stderr]   Downloaded ruma-identifiers v0.19.4
[INFO] [stderr]   Downloaded ruma-events-macros v0.23.3
[INFO] [stderr]   Downloaded ruma-identifiers-macros v0.19.4
[INFO] [stderr]   Downloaded ruma-identifiers-validation v0.4.0
[INFO] [stderr]   Downloaded ruma-serde-macros v0.4.2
[INFO] [stderr]   Downloaded ruma-api-macros v0.17.1
[INFO] [stderr]   Downloaded ruma-events v0.23.3
[INFO] [stderr]   Downloaded ruma-api v0.17.1
[INFO] [stderr]   Downloaded ruma-client-api v0.11.0
[INFO] [stderr]   Downloaded ruma-common v0.5.4
[INFO] [stderr]   Downloaded matrix-sdk-common v0.3.0
[INFO] [stderr]   Downloaded ruma-serde v0.4.2
[INFO] [stderr]   Downloaded ruma v0.2.0
[INFO] [stderr]   Downloaded wildmatch v2.1.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e73595730d272120cd46bbfde688f8a0c03805220255aaa5827415d6f84f4de
[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" "8e73595730d272120cd46bbfde688f8a0c03805220255aaa5827415d6f84f4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e73595730d272120cd46bbfde688f8a0c03805220255aaa5827415d6f84f4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e73595730d272120cd46bbfde688f8a0c03805220255aaa5827415d6f84f4de", kill_on_drop: false }`
[INFO] [stdout] 8e73595730d272120cd46bbfde688f8a0c03805220255aaa5827415d6f84f4de
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 505d5fdfa1bb10f2a5a92ad64f452196c2a54ebfb53cb0ebb5f75de88aed3313
[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" "505d5fdfa1bb10f2a5a92ad64f452196c2a54ebfb53cb0ebb5f75de88aed3313", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.4.0
[INFO] [stderr]    Compiling wildmatch v2.1.0
[INFO] [stderr]    Compiling assign v1.1.1
[INFO] [stderr]    Compiling matrix-sdk-test-macros v0.1.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling js_int v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.19.4
[INFO] [stderr]    Compiling ruma-serde-macros v0.4.2
[INFO] [stderr]    Compiling ruma-events-macros v0.23.3
[INFO] [stderr]    Compiling ruma-api-macros v0.17.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling ruma-serde v0.4.2
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling ruma-identifiers v0.19.4
[INFO] [stderr]    Compiling ruma-common v0.5.4
[INFO] [stderr]    Compiling ruma-api v0.17.1
[INFO] [stderr]    Compiling ruma-events v0.23.3
[INFO] [stderr]    Compiling ruma-client-api v0.11.0
[INFO] [stderr]    Compiling ruma v0.2.0
[INFO] [stderr]    Compiling matrix-sdk-common v0.3.0
[INFO] [stderr]    Compiling matrix-sdk-test v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "505d5fdfa1bb10f2a5a92ad64f452196c2a54ebfb53cb0ebb5f75de88aed3313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505d5fdfa1bb10f2a5a92ad64f452196c2a54ebfb53cb0ebb5f75de88aed3313", kill_on_drop: false }`
[INFO] [stdout] 505d5fdfa1bb10f2a5a92ad64f452196c2a54ebfb53cb0ebb5f75de88aed3313
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee978a10add7f6fe9cfcba376c0b952db597e196119332f6e4791533e5778c8e
[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" "ee978a10add7f6fe9cfcba376c0b952db597e196119332f6e4791533e5778c8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-sdk-test v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "ee978a10add7f6fe9cfcba376c0b952db597e196119332f6e4791533e5778c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee978a10add7f6fe9cfcba376c0b952db597e196119332f6e4791533e5778c8e", kill_on_drop: false }`
[INFO] [stdout] ee978a10add7f6fe9cfcba376c0b952db597e196119332f6e4791533e5778c8e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70dd17c0154f249a17adc8c177ae4da5ed08ae8f900f91aa9c0aad00bd93364b
[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" "70dd17c0154f249a17adc8c177ae4da5ed08ae8f900f91aa9c0aad00bd93364b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_sdk_test-d66123089cd3e1a2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests matrix-sdk-test
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - EventBuilder (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70dd17c0154f249a17adc8c177ae4da5ed08ae8f900f91aa9c0aad00bd93364b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dd17c0154f249a17adc8c177ae4da5ed08ae8f900f91aa9c0aad00bd93364b", kill_on_drop: false }`
[INFO] [stdout] 70dd17c0154f249a17adc8c177ae4da5ed08ae8f900f91aa9c0aad00bd93364b