[INFO] fetching crate matrix-sdk-common 0.3.0...
[INFO] testing matrix-sdk-common-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate matrix-sdk-common 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate matrix-sdk-common 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix-sdk-common 0.3.0
[INFO] finished tweaking crates.io crate matrix-sdk-common 0.3.0
[INFO] tweaked toml for crates.io crate matrix-sdk-common 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77067bfaf558318ebd1cdd2e480d63f4655a3ee94ea2be4319cbf7c0b468e6eb
[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" "77067bfaf558318ebd1cdd2e480d63f4655a3ee94ea2be4319cbf7c0b468e6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77067bfaf558318ebd1cdd2e480d63f4655a3ee94ea2be4319cbf7c0b468e6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77067bfaf558318ebd1cdd2e480d63f4655a3ee94ea2be4319cbf7c0b468e6eb", kill_on_drop: false }`
[INFO] [stdout] 77067bfaf558318ebd1cdd2e480d63f4655a3ee94ea2be4319cbf7c0b468e6eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bafb2644364bdba8995c2fe6c562f3d8731c162897d9f22bb86f444a08a6e2e8
[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" "bafb2644364bdba8995c2fe6c562f3d8731c162897d9f22bb86f444a08a6e2e8", 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 tokio v1.11.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling js_int v0.2.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[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 instant v0.1.10
[INFO] [stderr]    Compiling ruma-serde v0.4.2
[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 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "bafb2644364bdba8995c2fe6c562f3d8731c162897d9f22bb86f444a08a6e2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafb2644364bdba8995c2fe6c562f3d8731c162897d9f22bb86f444a08a6e2e8", kill_on_drop: false }`
[INFO] [stdout] bafb2644364bdba8995c2fe6c562f3d8731c162897d9f22bb86f444a08a6e2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen" "--no-run" "--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] bbcb056b09d2002b9dcc6e141e6b75b1e1489107e19cebfc1b3ab5bd5933b796
[INFO] running `Command { std: "docker" "start" "-a" "bbcb056b09d2002b9dcc6e141e6b75b1e1489107e19cebfc1b3ab5bd5933b796", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-sdk-common v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "bbcb056b09d2002b9dcc6e141e6b75b1e1489107e19cebfc1b3ab5bd5933b796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbcb056b09d2002b9dcc6e141e6b75b1e1489107e19cebfc1b3ab5bd5933b796", kill_on_drop: false }`
[INFO] [stdout] bbcb056b09d2002b9dcc6e141e6b75b1e1489107e19cebfc1b3ab5bd5933b796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "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] d88f119bf689b6611ac867405a1a007d94a7abee0df406520ea4ea958c52d5fc
[INFO] running `Command { std: "docker" "start" "-a" "d88f119bf689b6611ac867405a1a007d94a7abee0df406520ea4ea958c52d5fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_sdk_common-f5da0391cb31d9ba)
[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] [stderr]    Doc-tests matrix-sdk-common
[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" "d88f119bf689b6611ac867405a1a007d94a7abee0df406520ea4ea958c52d5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88f119bf689b6611ac867405a1a007d94a7abee0df406520ea4ea958c52d5fc", kill_on_drop: false }`
[INFO] [stdout] d88f119bf689b6611ac867405a1a007d94a7abee0df406520ea4ea958c52d5fc