[INFO] fetching crate ipp-headers-sys 0.4.3...
[INFO] testing ipp-headers-sys-0.4.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate ipp-headers-sys 0.4.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ipp-headers-sys 0.4.3 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipp-headers-sys 0.4.3
[INFO] finished tweaking crates.io crate ipp-headers-sys 0.4.3
[INFO] tweaked toml for crates.io crate ipp-headers-sys 0.4.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b71a56530418d81215376d57c3281901cc43bce8a225816ff204ef1356a5e70e
[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" "b71a56530418d81215376d57c3281901cc43bce8a225816ff204ef1356a5e70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71a56530418d81215376d57c3281901cc43bce8a225816ff204ef1356a5e70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71a56530418d81215376d57c3281901cc43bce8a225816ff204ef1356a5e70e", kill_on_drop: false }`
[INFO] [stdout] b71a56530418d81215376d57c3281901cc43bce8a225816ff204ef1356a5e70e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1188bc23b8dcec4f746a53fa493477878321acda009a0a5d4f03c9a63136ce3
[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" "c1188bc23b8dcec4f746a53fa493477878321acda009a0a5d4f03c9a63136ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipp-headers-sys v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: You are attempting to compile without a required feature flag being used. You must use one of either `2017`, `2018`, `2019`
[INFO] [stdout]   --> src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / compile_error!("You are attempting to compile without a required feature flag \
[INFO] [stdout] 38 | |     being used. You must use one of either `2017`, `2018`, `2019`");
[INFO] [stdout]    | |____________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipp-headers-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c1188bc23b8dcec4f746a53fa493477878321acda009a0a5d4f03c9a63136ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1188bc23b8dcec4f746a53fa493477878321acda009a0a5d4f03c9a63136ce3", kill_on_drop: false }`
[INFO] [stdout] c1188bc23b8dcec4f746a53fa493477878321acda009a0a5d4f03c9a63136ce3