[INFO] fetching crate capnp-rpc 0.14.0...
[INFO] checking capnp-rpc-0.14.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate capnp-rpc 0.14.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate capnp-rpc 0.14.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capnp v0.14.1
[INFO] [stderr]   Downloaded capnp-futures v0.14.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c37b32c1e7042bb511ec1cec086f987fb937d76222a11b0dacdb7ebae3118983
[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" "c37b32c1e7042bb511ec1cec086f987fb937d76222a11b0dacdb7ebae3118983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37b32c1e7042bb511ec1cec086f987fb937d76222a11b0dacdb7ebae3118983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37b32c1e7042bb511ec1cec086f987fb937d76222a11b0dacdb7ebae3118983", kill_on_drop: false }`
[INFO] [stdout] c37b32c1e7042bb511ec1cec086f987fb937d76222a11b0dacdb7ebae3118983
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abbbccdf8e5fb1875fbc154e39ccabebf7f58f9186172c2f62b45b6814d5bbc3
[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" "abbbccdf8e5fb1875fbc154e39ccabebf7f58f9186172c2f62b45b6814d5bbc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking capnp v0.14.1
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking capnp-futures v0.14.1
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.66s
[INFO] running `Command { std: "docker" "inspect" "abbbccdf8e5fb1875fbc154e39ccabebf7f58f9186172c2f62b45b6814d5bbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbbccdf8e5fb1875fbc154e39ccabebf7f58f9186172c2f62b45b6814d5bbc3", kill_on_drop: false }`
[INFO] [stdout] abbbccdf8e5fb1875fbc154e39ccabebf7f58f9186172c2f62b45b6814d5bbc3