[INFO] fetching crate varlink_stdinterfaces 11.0.1...
[INFO] checking varlink_stdinterfaces-11.0.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate varlink_stdinterfaces 11.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate varlink_stdinterfaces 11.0.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chainerror v0.4.3
[INFO] [stderr]   Downloaded varlink_parser v4.0.4
[INFO] [stderr]   Downloaded varlink v11.0.0
[INFO] [stderr]   Downloaded varlink_generator v9.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86f58906bbe3c9cdc297609f42a40c7902473564f717fa33a1b3e0389fe16855
[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" "86f58906bbe3c9cdc297609f42a40c7902473564f717fa33a1b3e0389fe16855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f58906bbe3c9cdc297609f42a40c7902473564f717fa33a1b3e0389fe16855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f58906bbe3c9cdc297609f42a40c7902473564f717fa33a1b3e0389fe16855", kill_on_drop: false }`
[INFO] [stdout] 86f58906bbe3c9cdc297609f42a40c7902473564f717fa33a1b3e0389fe16855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d51f2c8fdbce39c0b299ef66929471fdc69aff8b2065ea2a56e77eeee43e2f7
[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" "3d51f2c8fdbce39c0b299ef66929471fdc69aff8b2065ea2a56e77eeee43e2f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling varlink_parser v4.0.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling chainerror v0.4.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking serde_json v1.0.57
[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]     Checking varlink v11.0.0
[INFO] [stderr]    Compiling varlink_generator v9.0.0
[INFO] [stderr]    Compiling varlink_stdinterfaces v11.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.81s
[INFO] running `Command { std: "docker" "inspect" "3d51f2c8fdbce39c0b299ef66929471fdc69aff8b2065ea2a56e77eeee43e2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d51f2c8fdbce39c0b299ef66929471fdc69aff8b2065ea2a56e77eeee43e2f7", kill_on_drop: false }`
[INFO] [stdout] 3d51f2c8fdbce39c0b299ef66929471fdc69aff8b2065ea2a56e77eeee43e2f7