[INFO] fetching crate varlink_stdinterfaces 11.0.1...
[INFO] checking varlink_stdinterfaces-11.0.1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate varlink_stdinterfaces 11.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate varlink_stdinterfaces 11.0.1 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varlink_stdinterfaces 11.0.1
[INFO] finished tweaking crates.io crate varlink_stdinterfaces 11.0.1
[INFO] tweaked toml for crates.io crate varlink_stdinterfaces 11.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08543f475a87440d8ab96ef72cd12bb720adc5e081c9d32f280c92e4d8b91b1e
[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" "08543f475a87440d8ab96ef72cd12bb720adc5e081c9d32f280c92e4d8b91b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08543f475a87440d8ab96ef72cd12bb720adc5e081c9d32f280c92e4d8b91b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08543f475a87440d8ab96ef72cd12bb720adc5e081c9d32f280c92e4d8b91b1e", kill_on_drop: false }`
[INFO] [stdout] 08543f475a87440d8ab96ef72cd12bb720adc5e081c9d32f280c92e4d8b91b1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4abf41b4f5561e7daa067d0d75c419b28b9b70f706d6a0214f4b77b35edd9f7
[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" "f4abf41b4f5561e7daa067d0d75c419b28b9b70f706d6a0214f4b77b35edd9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling varlink_parser v4.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling chainerror v0.4.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking unix_socket v0.5.0
[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]    Compiling peg v0.6.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling varlink_generator v9.0.0
[INFO] [stderr]     Checking varlink v11.0.0
[INFO] [stderr]    Compiling varlink_stdinterfaces v11.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.05s
[INFO] running `Command { std: "docker" "inspect" "f4abf41b4f5561e7daa067d0d75c419b28b9b70f706d6a0214f4b77b35edd9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4abf41b4f5561e7daa067d0d75c419b28b9b70f706d6a0214f4b77b35edd9f7", kill_on_drop: false }`
[INFO] [stdout] f4abf41b4f5561e7daa067d0d75c419b28b9b70f706d6a0214f4b77b35edd9f7