[INFO] fetching crate ruma-serde 0.3.0...
[INFO] checking ruma-serde-0.3.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate ruma-serde 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ruma-serde 0.3.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-serde 0.3.0
[INFO] finished tweaking crates.io crate ruma-serde 0.3.0
[INFO] tweaked toml for crates.io crate ruma-serde 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9466a1003c3a1ac4956bb7613e86b9cb695a89983cc7001df517f56cb0c680f5
[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" "9466a1003c3a1ac4956bb7613e86b9cb695a89983cc7001df517f56cb0c680f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9466a1003c3a1ac4956bb7613e86b9cb695a89983cc7001df517f56cb0c680f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9466a1003c3a1ac4956bb7613e86b9cb695a89983cc7001df517f56cb0c680f5", kill_on_drop: false }`
[INFO] [stdout] 9466a1003c3a1ac4956bb7613e86b9cb695a89983cc7001df517f56cb0c680f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e2e4ff5e89010f0c01db9e9be846104502f797f6fe18cf3964a1a434ccd94b
[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" "f7e2e4ff5e89010f0c01db9e9be846104502f797f6fe18cf3964a1a434ccd94b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking js_int v0.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ruma-serde-macros v0.3.0
[INFO] [stderr]     Checking ruma-serde v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.93s
[INFO] running `Command { std: "docker" "inspect" "f7e2e4ff5e89010f0c01db9e9be846104502f797f6fe18cf3964a1a434ccd94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e2e4ff5e89010f0c01db9e9be846104502f797f6fe18cf3964a1a434ccd94b", kill_on_drop: false }`
[INFO] [stdout] f7e2e4ff5e89010f0c01db9e9be846104502f797f6fe18cf3964a1a434ccd94b