[INFO] fetching crate nonblock 0.1.0... [INFO] checking nonblock-0.1.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130 [INFO] extracting crate nonblock 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate nonblock 0.1.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate nonblock 0.1.0 [INFO] finished tweaking crates.io crate nonblock 0.1.0 [INFO] tweaked toml for crates.io crate nonblock 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4470933494fd7d07189e50df7ab4691b749dbe6dbe2da1230c3b36bdc88311dc [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" "4470933494fd7d07189e50df7ab4691b749dbe6dbe2da1230c3b36bdc88311dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4470933494fd7d07189e50df7ab4691b749dbe6dbe2da1230c3b36bdc88311dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4470933494fd7d07189e50df7ab4691b749dbe6dbe2da1230c3b36bdc88311dc", kill_on_drop: false }` [INFO] [stdout] 4470933494fd7d07189e50df7ab4691b749dbe6dbe2da1230c3b36bdc88311dc [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfcf70ba58307e6481bb56ae3daaba142e329b65d15fe9ca2e9731a8eaf372e4 [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" "bfcf70ba58307e6481bb56ae3daaba142e329b65d15fe9ca2e9731a8eaf372e4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Checking serde v0.7.15 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking itoa v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking nonblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | try!(set_blocking(fd, false)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | try!(set_blocking(fd, true)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | let _ = try!(res); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde_json v0.7.4 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | try!(set_blocking(fd, false)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | try!(set_blocking(fd, true)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | let _ = try!(res); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:187:69 [INFO] [stdout] | [INFO] [stdout] 187 | let client = TcpStream::connect("127.0.0.1:34254").unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `chrono::DateTime: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> examples/structure-stdio.rs:49:45 [INFO] [stdout] | [INFO] [stdout] 49 | ... .insert("time", time); [INFO] [stdout] | ^^^^ the trait `serde::ser::Serialize` is not implemented for `chrono::DateTime` [INFO] [stdout] | [INFO] [stdout] help: trait impl with same name found [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.23/src/ser/impls.rs:549:1 [INFO] [stdout] | [INFO] [stdout] 549 | / impl<'a, T: ?Sized> Serialize for &'a T where T: Serialize { [INFO] [stdout] 550 | | #[inline] [INFO] [stdout] 551 | | fn serialize(&self, serializer: &mut S) -> Result<(), S::Error> [INFO] [stdout] 552 | | where S: Serializer, [INFO] [stdout] ... | [INFO] [stdout] 555 | | } [INFO] [stdout] 556 | | } [INFO] [stdout] | |_^ [INFO] [stdout] = note: perhaps two different versions of crate `serde` are being used? [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 E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nonblock`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "bfcf70ba58307e6481bb56ae3daaba142e329b65d15fe9ca2e9731a8eaf372e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfcf70ba58307e6481bb56ae3daaba142e329b65d15fe9ca2e9731a8eaf372e4", kill_on_drop: false }` [INFO] [stdout] bfcf70ba58307e6481bb56ae3daaba142e329b65d15fe9ca2e9731a8eaf372e4