[INFO] fetching crate serial 0.4.0...
[INFO] checking serial-0.4.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate serial 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serial 0.4.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial 0.4.0
[INFO] removed path dependency serial-core from crates.io crate serial 0.4.0
[INFO] removed path dependency serial-unix from crates.io crate serial 0.4.0
[INFO] removed path dependency serial-windows from crates.io crate serial 0.4.0
[INFO] finished tweaking crates.io crate serial 0.4.0
[INFO] tweaked toml for crates.io crate serial 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0a95d92695fd3e1980a0d2f59d1fd8f3c5b85e5e0eb1688adf5ab94b602c757
[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" "e0a95d92695fd3e1980a0d2f59d1fd8f3c5b85e5e0eb1688adf5ab94b602c757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a95d92695fd3e1980a0d2f59d1fd8f3c5b85e5e0eb1688adf5ab94b602c757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a95d92695fd3e1980a0d2f59d1fd8f3c5b85e5e0eb1688adf5ab94b602c757", kill_on_drop: false }`
[INFO] [stdout] e0a95d92695fd3e1980a0d2f59d1fd8f3c5b85e5e0eb1688adf5ab94b602c757
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c2b095870127c917ee4bbf331299fe17c19ac273fd31d8fc6421c55d548b14
[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" "95c2b095870127c917ee4bbf331299fe17c19ac273fd31d8fc6421c55d548b14", kill_on_drop: false }`
[INFO] [stderr]     Checking serial v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/read_write.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     try!(port.configure(&SETTINGS));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/read_write.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     try!(port.set_timeout(Duration::from_secs(1)));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/read_write.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(port.write(&buf[..]));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/read_write.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     try!(port.read(&mut buf[..]));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     try!(port.configure(&SETTINGS));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     try!(port.set_timeout(Duration::from_millis(100)));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     try!(port.set_rts(false));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     try!(port.set_dtr(false));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             try!(port.set_rts(rts));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             try!(port.set_dtr(dtr));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |                  try!(port.read_cts()),
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |                  try!(port.read_dsr()),
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |                  try!(port.read_ri()),
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/probe_pins.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |                  try!(port.read_cd()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> examples/read_write.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "95c2b095870127c917ee4bbf331299fe17c19ac273fd31d8fc6421c55d548b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c2b095870127c917ee4bbf331299fe17c19ac273fd31d8fc6421c55d548b14", kill_on_drop: false }`
[INFO] [stdout] 95c2b095870127c917ee4bbf331299fe17c19ac273fd31d8fc6421c55d548b14