[INFO] fetching crate mio 0.6.22...
[INFO] checking mio-0.6.22 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate mio 0.6.22 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mio 0.6.22 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 mio 0.6.22
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate mio 0.6.22
[INFO] tweaked toml for crates.io crate mio 0.6.22 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] dc586754d05bc6e98e8a88fff6a4e144b6e27e799a239fcefe27c888b4c4379a
[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" "dc586754d05bc6e98e8a88fff6a4e144b6e27e799a239fcefe27c888b4c4379a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc586754d05bc6e98e8a88fff6a4e144b6e27e799a239fcefe27c888b4c4379a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc586754d05bc6e98e8a88fff6a4e144b6e27e799a239fcefe27c888b4c4379a", kill_on_drop: false }`
[INFO] [stdout] dc586754d05bc6e98e8a88fff6a4e144b6e27e799a239fcefe27c888b4c4379a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 859079e0d695927a385e8096b080932363af74f25a54bbd737d9c542402af2f1
[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" "859079e0d695927a385e8096b080932363af74f25a54bbd737d9c542402af2f1", kill_on_drop: false }`
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.6.22 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/sys/unix/dlsym.rs:10:49
[INFO] [stdout]    |
[INFO] [stdout] 10 |         static $name: ::sys::unix::dlsym::DlSym<unsafe extern fn($($t),*) -> $ret> =
[INFO] [stdout]    |                                                 ^ ABI should be specified here
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/sys/unix/epoll.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             dlsym!(fn epoll_create1(c_int) -> c_int);
[INFO] [stdout]    |             ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/sys/unix/dlsym.rs:10:49
[INFO] [stdout]    |
[INFO] [stdout] 10 |         static $name: ::sys::unix::dlsym::DlSym<unsafe extern fn($($t),*) -> $ret> =
[INFO] [stdout]    |                                                 ^ ABI should be specified here
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/sys/unix/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     dlsym!(fn pipe2(*mut c_int, c_int) -> c_int);
[INFO] [stdout]    |     --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mio`.
[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" "859079e0d695927a385e8096b080932363af74f25a54bbd737d9c542402af2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859079e0d695927a385e8096b080932363af74f25a54bbd737d9c542402af2f1", kill_on_drop: false }`
[INFO] [stdout] 859079e0d695927a385e8096b080932363af74f25a54bbd737d9c542402af2f1