[INFO] fetching crate blctl 0.1.2...
[INFO] checking blctl-0.1.2 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate blctl 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate blctl 0.1.2 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 blctl 0.1.2
[INFO] finished tweaking crates.io crate blctl 0.1.2
[INFO] tweaked toml for crates.io crate blctl 0.1.2 written to /workspace/builds/worker-4/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.2.0
[INFO] [stderr]   Downloaded rust-ini v0.13.0
[INFO] [stderr]   Downloaded serial_test_derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3d1ecf8fb3d60e16d6f75c0a116f52961b869b0d00a14fdaa06be32c92d7bb73
[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" "3d1ecf8fb3d60e16d6f75c0a116f52961b869b0d00a14fdaa06be32c92d7bb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1ecf8fb3d60e16d6f75c0a116f52961b869b0d00a14fdaa06be32c92d7bb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1ecf8fb3d60e16d6f75c0a116f52961b869b0d00a14fdaa06be32c92d7bb73", kill_on_drop: false }`
[INFO] [stdout] 3d1ecf8fb3d60e16d6f75c0a116f52961b869b0d00a14fdaa06be32c92d7bb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2a29e297569259149624678192d45eb239b621e01fcdf5ef60feb22470daf9bc
[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" "2a29e297569259149624678192d45eb239b621e01fcdf5ef60feb22470daf9bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking blctl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/bls.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / extern {
[INFO] [stdout] 31 | |   fn rpmvercmp(a: *const i8, b: *const i8) -> std::os::raw::c_int;
[INFO] [stdout] 32 | | }
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bls.rs:379:28
[INFO] [stdout]     |
[INFO] [stdout] 379 |                     func: &Fn (&mut BLSEntry, &[String]) -> std::io::Result<()>) -> std::io::Result<()> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&mut BLSEntry, &[String]) -> std::io::Result<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/cmdline.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn cmdline_parse (args: &str) -> std::io::Result<(Cmdline)> {
[INFO] [stdout]    |                                                      ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cshim.rs:153:38
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn generic_cmdline_handler(env: &mut CmdlineHandler, params: *const *const c_char, op: &Fn(&mut CmdlineHandler, &[String]) -> std::io::Re...
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CmdlineHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cshim.rs:153:89
[INFO] [stdout]     |
[INFO] [stdout] 153 | ...ms: *const *const c_char, op: &Fn(&mut CmdlineHandler, &[String]) -> std::io::Result<()>) -> c_char {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut CmdlineHandler, &[String]) -> std::io::Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cshim.rs:153:97
[INFO] [stdout]     |
[INFO] [stdout] 153 | ...rams: *const *const c_char, op: &Fn(&mut CmdlineHandler, &[String]) -> std::io::Result<()>) -> c_char {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CmdlineHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cshim.rs:185:35
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn generic_cmdline_get (env: &mut CmdlineHandler, param: *const c_char) -> *mut CmdlineParam {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CmdlineHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serial_test v0.2.0
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blctl`.
[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" "2a29e297569259149624678192d45eb239b621e01fcdf5ef60feb22470daf9bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a29e297569259149624678192d45eb239b621e01fcdf5ef60feb22470daf9bc", kill_on_drop: false }`
[INFO] [stdout] 2a29e297569259149624678192d45eb239b621e01fcdf5ef60feb22470daf9bc