[INFO] fetching crate errno 0.2.6...
[INFO] checking errno-0.2.6 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate errno 0.2.6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate errno 0.2.6 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errno 0.2.6
[INFO] finished tweaking crates.io crate errno 0.2.6
[INFO] tweaked toml for crates.io crate errno 0.2.6 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce38851ebb4be55f09ce67f874ed291e12eee818958f58f1db8b5e2e6c2d9cdd
[INFO] running `Command { std: "docker" "start" "-a" "ce38851ebb4be55f09ce67f874ed291e12eee818958f58f1db8b5e2e6c2d9cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce38851ebb4be55f09ce67f874ed291e12eee818958f58f1db8b5e2e6c2d9cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce38851ebb4be55f09ce67f874ed291e12eee818958f58f1db8b5e2e6c2d9cdd", kill_on_drop: false }`
[INFO] [stdout] ce38851ebb4be55f09ce67f874ed291e12eee818958f58f1db8b5e2e6c2d9cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795a7db90806a050235aec32dd2b383d1f2e42b5354b59d8a9724231071c3441
[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" "795a7db90806a050235aec32dd2b383d1f2e42b5354b59d8a9724231071c3441", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/unix.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / extern {
[INFO] [stdout] 53 | |     #[cfg(not(target_os = "dragonfly"))]
[INFO] [stdout] 54 | |     #[cfg_attr(any(target_os = "macos",
[INFO] [stdout] 55 | |                    target_os = "ios",
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |                   buflen: libc::size_t) -> c_int;
[INFO] [stdout] 73 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/unix.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / extern {
[INFO] [stdout] 53 | |     #[cfg(not(target_os = "dragonfly"))]
[INFO] [stdout] 54 | |     #[cfg_attr(any(target_os = "macos",
[INFO] [stdout] 55 | |                    target_os = "ios",
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |                   buflen: libc::size_t) -> c_int;
[INFO] [stdout] 73 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errno`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "795a7db90806a050235aec32dd2b383d1f2e42b5354b59d8a9724231071c3441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795a7db90806a050235aec32dd2b383d1f2e42b5354b59d8a9724231071c3441", kill_on_drop: false }`
[INFO] [stdout] 795a7db90806a050235aec32dd2b383d1f2e42b5354b59d8a9724231071c3441