[INFO] fetching crate matrix-sdk-test 0.3.0...
[INFO] checking matrix-sdk-test-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate matrix-sdk-test 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate matrix-sdk-test 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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 ruma-common v0.5.4
[INFO] [stderr]   Downloaded ruma-identifiers-validation v0.4.0
[INFO] [stderr]   Downloaded ruma-identifiers-macros v0.19.4
[INFO] [stderr]   Downloaded ruma-identifiers v0.19.4
[INFO] [stderr]   Downloaded matrix-sdk-test-macros v0.1.0
[INFO] [stderr]   Downloaded ruma-events v0.23.2
[INFO] [stderr]   Downloaded matrix-sdk-common v0.3.0
[INFO] [stderr]   Downloaded ruma-events-macros v0.23.2
[INFO] [stderr]   Downloaded ruma-serde v0.4.1
[INFO] [stderr]   Downloaded ruma-api-macros v0.17.1
[INFO] [stderr]   Downloaded ruma v0.2.0
[INFO] [stderr]   Downloaded ruma-serde-macros v0.4.1
[INFO] [stderr]   Downloaded ruma-api v0.17.1
[INFO] [stderr]   Downloaded ruma-client-api v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b98839f1b1ff3c2547c2e4ae9f924fcee652419ef21185328f2d970fe57de7d
[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" "8b98839f1b1ff3c2547c2e4ae9f924fcee652419ef21185328f2d970fe57de7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b98839f1b1ff3c2547c2e4ae9f924fcee652419ef21185328f2d970fe57de7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b98839f1b1ff3c2547c2e4ae9f924fcee652419ef21185328f2d970fe57de7d", kill_on_drop: false }`
[INFO] [stdout] 8b98839f1b1ff3c2547c2e4ae9f924fcee652419ef21185328f2d970fe57de7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33be47e5ac94fae3e9a216ebb497e85fd18ebff324e64c19f58df8ea629b4d4
[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" "a33be47e5ac94fae3e9a216ebb497e85fd18ebff324e64c19f58df8ea629b4d4", 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] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking wildmatch v2.1.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]    Compiling matrix-sdk-test-macros v0.1.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.19.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking js_int v0.2.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling ruma-serde-macros v0.4.1
[INFO] [stderr]    Compiling ruma-events-macros v0.23.2
[INFO] [stderr]    Compiling ruma-api-macros v0.17.1
[INFO] [stderr]     Checking ruma-serde v0.4.1
[INFO] [stderr]     Checking ruma-identifiers v0.19.4
[INFO] [stderr]     Checking ruma-common v0.5.4
[INFO] [stderr]     Checking ruma-api v0.17.1
[INFO] [stderr]     Checking ruma-events v0.23.2
[INFO] [stderr]     Checking ruma-client-api v0.11.0
[INFO] [stderr]     Checking ruma v0.2.0
[INFO] [stderr]     Checking matrix-sdk-common v0.3.0
[INFO] [stderr]     Checking matrix-sdk-test v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "a33be47e5ac94fae3e9a216ebb497e85fd18ebff324e64c19f58df8ea629b4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33be47e5ac94fae3e9a216ebb497e85fd18ebff324e64c19f58df8ea629b4d4", kill_on_drop: false }`
[INFO] [stdout] a33be47e5ac94fae3e9a216ebb497e85fd18ebff324e64c19f58df8ea629b4d4