[INFO] fetching crate matrix-sdk-common 0.4.1...
[INFO] testing matrix-sdk-common-0.4.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate matrix-sdk-common 0.4.1 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate matrix-sdk-common 0.4.1 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 matrix-sdk-common 0.4.1
[INFO] finished tweaking crates.io crate matrix-sdk-common 0.4.1
[INFO] tweaked toml for crates.io crate matrix-sdk-common 0.4.1 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] d2130c943fa205e2f4179e77a934c5e0614de5b996b568919dd884169106a6b5
[INFO] running `Command { std: "docker" "start" "-a" "d2130c943fa205e2f4179e77a934c5e0614de5b996b568919dd884169106a6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2130c943fa205e2f4179e77a934c5e0614de5b996b568919dd884169106a6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2130c943fa205e2f4179e77a934c5e0614de5b996b568919dd884169106a6b5", kill_on_drop: false }`
[INFO] [stdout] d2130c943fa205e2f4179e77a934c5e0614de5b996b568919dd884169106a6b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 9ff25aae7554aa439f11ca5fb7dd8bfa0a2944679f1656a81573e765eb946c5d
[INFO] running `Command { std: "docker" "start" "-a" "9ff25aae7554aa439f11ca5fb7dd8bfa0a2944679f1656a81573e765eb946c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.5.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling wildmatch v2.1.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling assign v1.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.20.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling js_int v0.2.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling ruma-serde-macros v0.5.0
[INFO] [stderr]    Compiling ruma-api-macros v0.18.5
[INFO] [stderr]    Compiling ruma-events-macros v0.24.6
[INFO] [stderr]    Compiling ruma-serde v0.5.0
[INFO] [stderr]    Compiling ruma-identifiers v0.20.0
[INFO] [stderr]    Compiling ruma-common v0.6.0
[INFO] [stderr]    Compiling ruma-api v0.18.5
[INFO] [stderr]    Compiling ruma-events v0.24.6
[INFO] [stderr]    Compiling ruma-client-api v0.12.3
[INFO] [stderr]    Compiling ruma v0.4.0
[INFO] [stderr]    Compiling matrix-sdk-common v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "9ff25aae7554aa439f11ca5fb7dd8bfa0a2944679f1656a81573e765eb946c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff25aae7554aa439f11ca5fb7dd8bfa0a2944679f1656a81573e765eb946c5d", kill_on_drop: false }`
[INFO] [stdout] 9ff25aae7554aa439f11ca5fb7dd8bfa0a2944679f1656a81573e765eb946c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] c0c158ac72de1c80c70313b461130ca6086b24a5ee8a650d854ffcd5adb71462
[INFO] running `Command { std: "docker" "start" "-a" "c0c158ac72de1c80c70313b461130ca6086b24a5ee8a650d854ffcd5adb71462", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-sdk-common v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "c0c158ac72de1c80c70313b461130ca6086b24a5ee8a650d854ffcd5adb71462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c158ac72de1c80c70313b461130ca6086b24a5ee8a650d854ffcd5adb71462", kill_on_drop: false }`
[INFO] [stdout] c0c158ac72de1c80c70313b461130ca6086b24a5ee8a650d854ffcd5adb71462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 48f06823d3851badc42239efed91f8f1e3769369d14bdf65d747fcfd5385ffaf
[INFO] running `Command { std: "docker" "start" "-a" "48f06823d3851badc42239efed91f8f1e3769369d14bdf65d747fcfd5385ffaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_sdk_common-5a0276d53d397d11)
[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" "48f06823d3851badc42239efed91f8f1e3769369d14bdf65d747fcfd5385ffaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f06823d3851badc42239efed91f8f1e3769369d14bdf65d747fcfd5385ffaf", kill_on_drop: false }`
[INFO] [stdout] 48f06823d3851badc42239efed91f8f1e3769369d14bdf65d747fcfd5385ffaf