[INFO] crate serial 0.4.0 is already in cache
[INFO] testing serial-0.4.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate serial 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate serial 0.4.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d9500a2332b7685d6ecc149a562a06a924d415a08139e29f3bba9c5985349a3
[INFO] running `"docker" "start" "-a" "7d9500a2332b7685d6ecc149a562a06a924d415a08139e29f3bba9c5985349a3"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "7d9500a2332b7685d6ecc149a562a06a924d415a08139e29f3bba9c5985349a3"`
[INFO] running `"docker" "rm" "-f" "7d9500a2332b7685d6ecc149a562a06a924d415a08139e29f3bba9c5985349a3"`
[INFO] [stdout] 7d9500a2332b7685d6ecc149a562a06a924d415a08139e29f3bba9c5985349a3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1cfd570e6d894714ee4545bdbc3bd1d8d8a3583fe982c05d803413f6da6a3a8
[INFO] running `"docker" "start" "-a" "c1cfd570e6d894714ee4545bdbc3bd1d8d8a3583fe982c05d803413f6da6a3a8"`
[INFO] [stderr]    Compiling serial v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     try!(port.configure(&SETTINGS));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(port.set_timeout(Duration::from_millis(100)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(port.set_rts(false));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     try!(port.set_dtr(false));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(port.configure(&SETTINGS));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             try!(port.set_rts(rts));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(port.set_dtr(dtr));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |                  try!(port.read_cts()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |                  try!(port.read_dsr()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |                  try!(port.read_ri()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |                  try!(port.read_cd()));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     try!(port.set_timeout(Duration::from_secs(1)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(port.write(&buf[..]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     try!(port.read(&mut buf[..]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> examples/read_write.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "c1cfd570e6d894714ee4545bdbc3bd1d8d8a3583fe982c05d803413f6da6a3a8"`
[INFO] running `"docker" "rm" "-f" "c1cfd570e6d894714ee4545bdbc3bd1d8d8a3583fe982c05d803413f6da6a3a8"`
[INFO] [stdout] c1cfd570e6d894714ee4545bdbc3bd1d8d8a3583fe982c05d803413f6da6a3a8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccb8cc5ad4674aa7ad25e1ed77849413794d52017fc3f6ebd923df44dfd8f42f
[INFO] running `"docker" "start" "-a" "ccb8cc5ad4674aa7ad25e1ed77849413794d52017fc3f6ebd923df44dfd8f42f"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     try!(port.configure(&SETTINGS));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(port.set_timeout(Duration::from_millis(100)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(port.set_rts(false));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     try!(port.set_dtr(false));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             try!(port.set_rts(rts));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(port.set_dtr(dtr));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |                  try!(port.read_cts()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(port.configure(&SETTINGS));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |                  try!(port.read_dsr()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     try!(port.set_timeout(Duration::from_secs(1)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |                  try!(port.read_ri()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(port.write(&buf[..]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/probe_pins.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |                  try!(port.read_cd()));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/read_write.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     try!(port.read(&mut buf[..]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> examples/read_write.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serial-d66c6c0af8c7fe05
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - open (line 50) ... ok
[INFO] [stdout] test src/lib.rs - open (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ccb8cc5ad4674aa7ad25e1ed77849413794d52017fc3f6ebd923df44dfd8f42f"`
[INFO] running `"docker" "rm" "-f" "ccb8cc5ad4674aa7ad25e1ed77849413794d52017fc3f6ebd923df44dfd8f42f"`
[INFO] [stdout] ccb8cc5ad4674aa7ad25e1ed77849413794d52017fc3f6ebd923df44dfd8f42f