[INFO] fetching crate pcap 0.7.0...
[INFO] checking pcap-0.7.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate pcap 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pcap 0.7.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcap 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pcap 0.7.0
[INFO] tweaked toml for crates.io crate pcap 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 7d1e3182b1ecb5bb20b7b97c04d2017b7058a85d483c7a31b6ada63c15eb6264
[INFO] running `Command { std: "docker" "start" "-a" "7d1e3182b1ecb5bb20b7b97c04d2017b7058a85d483c7a31b6ada63c15eb6264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d1e3182b1ecb5bb20b7b97c04d2017b7058a85d483c7a31b6ada63c15eb6264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1e3182b1ecb5bb20b7b97c04d2017b7058a85d483c7a31b6ada63c15eb6264", kill_on_drop: false }`
[INFO] [stdout] 7d1e3182b1ecb5bb20b7b97c04d2017b7058a85d483c7a31b6ada63c15eb6264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7502b612419fee68fc3896f93fd861a7643467b67e4a8746d7b6de6a1724a7dc
[INFO] running `Command { std: "docker" "start" "-a" "7502b612419fee68fc3896f93fd861a7643467b67e4a8746d7b6de6a1724a7dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pcap v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:781:49
[INFO] [stdout]     |
[INFO] [stdout] 781 | impl<T: Activated> From<Capture<T>> for Capture<Activated> {
[INFO] [stdout]     |                                                 ^^^^^^^^^ help: use `dyn`: `dyn Activated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:782:41
[INFO] [stdout]     |
[INFO] [stdout] 782 |     fn from(cap: Capture<T>) -> Capture<Activated> {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: use `dyn`: `dyn Activated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stdout] error[E0463]: can't find crate for `futures`
[INFO] [stdout]  --> examples/streamlisten.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate futures;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pcap`.
[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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/lib.rs:40:34
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn maybe(a: bool) -> Capture<Activated> {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn Activated`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/lib.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn also_maybe(a: &mut Capture<Activated>) {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn Activated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:781:49
[INFO] [stdout]     |
[INFO] [stdout] 781 | impl<T: Activated> From<Capture<T>> for Capture<Activated> {
[INFO] [stdout]     |                                                 ^^^^^^^^^ help: use `dyn`: `dyn Activated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:782:41
[INFO] [stdout]     |
[INFO] [stdout] 782 |     fn from(cap: Capture<T>) -> Capture<Activated> {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: use `dyn`: `dyn Activated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7502b612419fee68fc3896f93fd861a7643467b67e4a8746d7b6de6a1724a7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7502b612419fee68fc3896f93fd861a7643467b67e4a8746d7b6de6a1724a7dc", kill_on_drop: false }`
[INFO] [stdout] 7502b612419fee68fc3896f93fd861a7643467b67e4a8746d7b6de6a1724a7dc