[INFO] fetching crate pseudoterm 0.1.1...
[INFO] testing pseudoterm-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate pseudoterm 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pseudoterm 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 751a8ac1356d38a25e1ca85e32d4d05b194d2b32dae0d56c7f2d50ed885f33ab
[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" "751a8ac1356d38a25e1ca85e32d4d05b194d2b32dae0d56c7f2d50ed885f33ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "751a8ac1356d38a25e1ca85e32d4d05b194d2b32dae0d56c7f2d50ed885f33ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751a8ac1356d38a25e1ca85e32d4d05b194d2b32dae0d56c7f2d50ed885f33ab", kill_on_drop: false }`
[INFO] [stdout] 751a8ac1356d38a25e1ca85e32d4d05b194d2b32dae0d56c7f2d50ed885f33ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66347db25f51cf8aafd60c8a3a5ba1ad7d381cc3d2e6b358cf398903639609f6
[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" "66347db25f51cf8aafd60c8a3a5ba1ad7d381cc3d2e6b358cf398903639609f6", 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "66347db25f51cf8aafd60c8a3a5ba1ad7d381cc3d2e6b358cf398903639609f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66347db25f51cf8aafd60c8a3a5ba1ad7d381cc3d2e6b358cf398903639609f6", kill_on_drop: false }`
[INFO] [stdout] 66347db25f51cf8aafd60c8a3a5ba1ad7d381cc3d2e6b358cf398903639609f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c1e19a737033ffb4ae0dee16d963df58a7a6f0b582a35a54ed2d68ee4f86c29
[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" "8c1e19a737033ffb4ae0dee16d963df58a7a6f0b582a35a54ed2d68ee4f86c29", kill_on_drop: false }`
[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]    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 test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "8c1e19a737033ffb4ae0dee16d963df58a7a6f0b582a35a54ed2d68ee4f86c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1e19a737033ffb4ae0dee16d963df58a7a6f0b582a35a54ed2d68ee4f86c29", kill_on_drop: false }`
[INFO] [stdout] 8c1e19a737033ffb4ae0dee16d963df58a7a6f0b582a35a54ed2d68ee4f86c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d52af9e330c50c47bfe3e4d947596ef0ea4c27a9792b9955390c22126fa05e35
[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" "d52af9e330c50c47bfe3e4d947596ef0ea4c27a9792b9955390c22126fa05e35", 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] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pseudoterm-d8eacdec8841f007
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pseudoterm
[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() { #[allow(non_snake_case)] fn _doctest_main_src_winsize_rs_31_0() {
[INFO] [stdout]   |  ______________________________________-
[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 | | }; _doctest_main_src_winsize_rs_31_0() }
[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; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "d52af9e330c50c47bfe3e4d947596ef0ea4c27a9792b9955390c22126fa05e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d52af9e330c50c47bfe3e4d947596ef0ea4c27a9792b9955390c22126fa05e35", kill_on_drop: false }`
[INFO] [stdout] d52af9e330c50c47bfe3e4d947596ef0ea4c27a9792b9955390c22126fa05e35