[INFO] fetching crate pseudoterm 0.1.1...
[INFO] testing pseudoterm-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pseudoterm 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pseudoterm 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pseudoterm 0.1.1
[INFO] finished tweaking crates.io crate pseudoterm 0.1.1
[INFO] tweaked toml for crates.io crate pseudoterm 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f596ac305b8733f5f855dcd42d102e2b42b87307ed617affff6e7ce656c49448
[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" "f596ac305b8733f5f855dcd42d102e2b42b87307ed617affff6e7ce656c49448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f596ac305b8733f5f855dcd42d102e2b42b87307ed617affff6e7ce656c49448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f596ac305b8733f5f855dcd42d102e2b42b87307ed617affff6e7ce656c49448", kill_on_drop: false }`
[INFO] [stdout] f596ac305b8733f5f855dcd42d102e2b42b87307ed617affff6e7ce656c49448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2444ae7d598cb2f3ee636446e4850786cd727b1f423f6d1446f39e71471b4e47
[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" "2444ae7d598cb2f3ee636446e4850786cd727b1f423f6d1446f39e71471b4e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling pseudoterm v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/termios.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut termios: libc::termios = mem::uninitialized();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/winsize.rs:19:46
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut winsize: libc::winsize = mem::uninitialized();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]   --> src/pty.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .before_exec(sys::before_exec)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "2444ae7d598cb2f3ee636446e4850786cd727b1f423f6d1446f39e71471b4e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2444ae7d598cb2f3ee636446e4850786cd727b1f423f6d1446f39e71471b4e47", kill_on_drop: false }`
[INFO] [stdout] 2444ae7d598cb2f3ee636446e4850786cd727b1f423f6d1446f39e71471b4e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 802576efc25dd38cda6aabf84035c9261b92454d5264b92760681603a97f8005
[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" "802576efc25dd38cda6aabf84035c9261b92454d5264b92760681603a97f8005", kill_on_drop: false }`
[INFO] [stderr]    Compiling pseudoterm v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/termios.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut termios: libc::termios = mem::uninitialized();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/winsize.rs:19:46
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut winsize: libc::winsize = mem::uninitialized();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]   --> src/pty.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .before_exec(sys::before_exec)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/termios.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut termios: libc::termios = mem::uninitialized();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/winsize.rs:19:46
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut winsize: libc::winsize = mem::uninitialized();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]   --> src/pty.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .before_exec(sys::before_exec)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "802576efc25dd38cda6aabf84035c9261b92454d5264b92760681603a97f8005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802576efc25dd38cda6aabf84035c9261b92454d5264b92760681603a97f8005", kill_on_drop: false }`
[INFO] [stdout] 802576efc25dd38cda6aabf84035c9261b92454d5264b92760681603a97f8005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59912c1d4d41f4f5a1d6671e3ed3b4cc74f66d88f0e4ad2fbbb6fac28780cb33
[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" "59912c1d4d41f4f5a1d6671e3ed3b4cc74f66d88f0e4ad2fbbb6fac28780cb33", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/sys/unix/termios.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 |             let mut termios: libc::termios = mem::uninitialized();
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/sys/unix/winsize.rs:19:46
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut winsize: libc::winsize = mem::uninitialized();
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stderr]   --> src/pty.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |             .before_exec(sys::before_exec)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/sys/unix/termios.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 |             let mut termios: libc::termios = mem::uninitialized();
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/sys/unix/winsize.rs:19:46
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut winsize: libc::winsize = mem::uninitialized();
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stderr]   --> src/pty.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |             .before_exec(sys::before_exec)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pseudoterm-6b58a856637f0abe
[INFO] [stderr]    Doc-tests pseudoterm
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/winsize.rs - winsize::get_size (line 31) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/winsize.rs - winsize::get_size (line 31) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WinsizeSetter`
[INFO] [stdout]  --> src/winsize.rs:32:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | WinsizeSetter::new(fd)?.get()
[INFO] [stdout]   | ^^^^^^^^^^^^^ use of undeclared type `WinsizeSetter`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `fd` in this scope
[INFO] [stdout]  --> src/winsize.rs:32:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | WinsizeSetter::new(fd)?.get()
[INFO] [stdout]   |                    ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/winsize.rs:32:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | WinsizeSetter::new(fd)?.get()
[INFO] [stdout]   | | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | | |
[INFO] [stdout]   | | cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/winsize.rs - winsize::get_size (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "59912c1d4d41f4f5a1d6671e3ed3b4cc74f66d88f0e4ad2fbbb6fac28780cb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59912c1d4d41f4f5a1d6671e3ed3b4cc74f66d88f0e4ad2fbbb6fac28780cb33", kill_on_drop: false }`
[INFO] [stdout] 59912c1d4d41f4f5a1d6671e3ed3b4cc74f66d88f0e4ad2fbbb6fac28780cb33