[INFO] fetching crate capnp-rpc 0.14.0...
[INFO] checking capnp-rpc-0.14.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate capnp-rpc 0.14.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate capnp-rpc 0.14.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate capnp-rpc 0.14.0
[INFO] finished tweaking crates.io crate capnp-rpc 0.14.0
[INFO] tweaked toml for crates.io crate capnp-rpc 0.14.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7f008a0b08517d90d359fa8041db56668fd1329cea29b36c41ce9cbfe53b124
[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" "a7f008a0b08517d90d359fa8041db56668fd1329cea29b36c41ce9cbfe53b124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7f008a0b08517d90d359fa8041db56668fd1329cea29b36c41ce9cbfe53b124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f008a0b08517d90d359fa8041db56668fd1329cea29b36c41ce9cbfe53b124", kill_on_drop: false }`
[INFO] [stdout] a7f008a0b08517d90d359fa8041db56668fd1329cea29b36c41ce9cbfe53b124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83ed3ef67e6a27307577190f4c73ad97a138ac8d2598d543f07bfdc0fb51d1e3
[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" "83ed3ef67e6a27307577190f4c73ad97a138ac8d2598d543f07bfdc0fb51d1e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking capnp v0.14.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking capnp-futures v0.14.0
[INFO] [stderr]     Checking capnp-rpc v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `param_exports`
[INFO] [stdout]    --> src/rpc.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     param_exports: Vec<ExportId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_tail_call`
[INFO] [stdout]    --> src/rpc.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     is_tail_call: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resolve_self_promise`
[INFO] [stdout]     --> src/rpc.rs:1786:5
[INFO] [stdout]      |
[INFO] [stdout] 1786 |     resolve_self_promise: Promise<(), Error>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `param_exports`
[INFO] [stdout]    --> src/rpc.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     param_exports: Vec<ExportId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_tail_call`
[INFO] [stdout]    --> src/rpc.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     is_tail_call: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resolve_self_promise`
[INFO] [stdout]     --> src/rpc.rs:1786:5
[INFO] [stdout]      |
[INFO] [stdout] 1786 |     resolve_self_promise: Promise<(), Error>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "83ed3ef67e6a27307577190f4c73ad97a138ac8d2598d543f07bfdc0fb51d1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ed3ef67e6a27307577190f4c73ad97a138ac8d2598d543f07bfdc0fb51d1e3", kill_on_drop: false }`
[INFO] [stdout] 83ed3ef67e6a27307577190f4c73ad97a138ac8d2598d543f07bfdc0fb51d1e3