[INFO] fetching crate drogue-ffi-compat 0.1.0...
[INFO] checking drogue-ffi-compat-0.1.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate drogue-ffi-compat 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate drogue-ffi-compat 0.1.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drogue-ffi-compat 0.1.0
[INFO] finished tweaking crates.io crate drogue-ffi-compat 0.1.0
[INFO] tweaked toml for crates.io crate drogue-ffi-compat 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc01b81742b45c63d8b4511d7ab9b90f9c0043add875dc2df5af267918888784
[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" "cc01b81742b45c63d8b4511d7ab9b90f9c0043add875dc2df5af267918888784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc01b81742b45c63d8b4511d7ab9b90f9c0043add875dc2df5af267918888784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc01b81742b45c63d8b4511d7ab9b90f9c0043add875dc2df5af267918888784", kill_on_drop: false }`
[INFO] [stdout] cc01b81742b45c63d8b4511d7ab9b90f9c0043add875dc2df5af267918888784
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dce7a2f66e06db4e36a78ee5174fa4186f9d07571f8f997eadbba688cbea6d02
[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" "dce7a2f66e06db4e36a78ee5174fa4186f9d07571f8f997eadbba688cbea6d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling drogue-ffi-compat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]    --> src/printf/format.rs:302:58
[INFO] [stdout]     |
[INFO] [stdout] 302 |     use super::{FormatString, FormatSpec, DecimalFormat, Chunk};
[INFO] [stdout]     |                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ffi::c_void`
[INFO] [stdout]    --> src/printf/format.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |     use core::ffi::c_void;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::printf::format::FormatOutput`
[INFO] [stdout]    --> src/printf/format.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     use crate::printf::format::FormatOutput;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::prelude::*`
[INFO] [stdout]    --> src/printf/format.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |     use core::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dce7a2f66e06db4e36a78ee5174fa4186f9d07571f8f997eadbba688cbea6d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce7a2f66e06db4e36a78ee5174fa4186f9d07571f8f997eadbba688cbea6d02", kill_on_drop: false }`
[INFO] [stdout] dce7a2f66e06db4e36a78ee5174fa4186f9d07571f8f997eadbba688cbea6d02