[INFO] fetching crate matrix-sdk-common 0.1.0...
[INFO] checking matrix-sdk-common-0.1.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate matrix-sdk-common 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate matrix-sdk-common 0.1.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix-sdk-common 0.1.0
[INFO] finished tweaking crates.io crate matrix-sdk-common 0.1.0
[INFO] tweaked toml for crates.io crate matrix-sdk-common 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33b5921cb693f3e691e2eb033ca69600463d861c07747a091d2ba7b4ce08c6bf
[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" "33b5921cb693f3e691e2eb033ca69600463d861c07747a091d2ba7b4ce08c6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33b5921cb693f3e691e2eb033ca69600463d861c07747a091d2ba7b4ce08c6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b5921cb693f3e691e2eb033ca69600463d861c07747a091d2ba7b4ce08c6bf", kill_on_drop: false }`
[INFO] [stdout] 33b5921cb693f3e691e2eb033ca69600463d861c07747a091d2ba7b4ce08c6bf
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--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] 103664fff72759e6343fa7a2c43f97d8320c9849be8c8ecb84b867fb1134c2e5
[INFO] running `Command { std: "docker" "start" "-a" "103664fff72759e6343fa7a2c43f97d8320c9849be8c8ecb84b867fb1134c2e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling ruma-api-macros v0.16.1
[INFO] [stderr]    Compiling ruma-events-macros v0.21.3
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking js_int v0.1.9
[INFO] [stderr]     Checking ruma-identifiers v0.16.2
[INFO] [stderr]     Checking ruma-serde v0.2.3
[INFO] [stderr]     Checking ruma-common v0.1.3
[INFO] [stderr]     Checking ruma-api v0.16.1
[INFO] [stderr]     Checking ruma-events v0.21.3
[INFO] [stderr]     Checking ruma-client-api v0.9.0
[INFO] [stderr]     Checking matrix-sdk-common v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "103664fff72759e6343fa7a2c43f97d8320c9849be8c8ecb84b867fb1134c2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103664fff72759e6343fa7a2c43f97d8320c9849be8c8ecb84b867fb1134c2e5", kill_on_drop: false }`
[INFO] [stdout] 103664fff72759e6343fa7a2c43f97d8320c9849be8c8ecb84b867fb1134c2e5