[INFO] fetching crate rainbow-dash 0.1.1...
[INFO] testing rainbow-dash-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rainbow-dash 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rainbow-dash 0.1.1
[INFO] finished tweaking crates.io crate rainbow-dash 0.1.1
[INFO] tweaked toml for crates.io crate rainbow-dash 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rainbow-dash 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 623e394f38655aa6c38ed35f131f7742ba445b1db4500fccd17b471b27ee7eb4
[INFO] running `Command { std: "docker" "start" "-a" "623e394f38655aa6c38ed35f131f7742ba445b1db4500fccd17b471b27ee7eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623e394f38655aa6c38ed35f131f7742ba445b1db4500fccd17b471b27ee7eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623e394f38655aa6c38ed35f131f7742ba445b1db4500fccd17b471b27ee7eb4", kill_on_drop: false }`
[INFO] [stdout] 623e394f38655aa6c38ed35f131f7742ba445b1db4500fccd17b471b27ee7eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11a3ea7a9168b21bc33393124365c48d871805bd8bb9a9a05cdbaa9016a51f9f
[INFO] running `Command { std: "docker" "start" "-a" "11a3ea7a9168b21bc33393124365c48d871805bd8bb9a9a05cdbaa9016a51f9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rainbow-dash v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "11a3ea7a9168b21bc33393124365c48d871805bd8bb9a9a05cdbaa9016a51f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a3ea7a9168b21bc33393124365c48d871805bd8bb9a9a05cdbaa9016a51f9f", kill_on_drop: false }`
[INFO] [stdout] 11a3ea7a9168b21bc33393124365c48d871805bd8bb9a9a05cdbaa9016a51f9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d3e279cb1f28d2c2cd7a321fffa1f6753b4a97fd38a88151b15b2be8f8c093
[INFO] running `Command { std: "docker" "start" "-a" "30d3e279cb1f28d2c2cd7a321fffa1f6753b4a97fd38a88151b15b2be8f8c093", kill_on_drop: false }`
[INFO] [stderr]    Compiling rainbow-dash v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "30d3e279cb1f28d2c2cd7a321fffa1f6753b4a97fd38a88151b15b2be8f8c093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d3e279cb1f28d2c2cd7a321fffa1f6753b4a97fd38a88151b15b2be8f8c093", kill_on_drop: false }`
[INFO] [stdout] 30d3e279cb1f28d2c2cd7a321fffa1f6753b4a97fd38a88151b15b2be8f8c093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9aa9e34e93db10417fc893bdcf0250c4e396c9753223ae417dd935a2a5a8027a
[INFO] running `Command { std: "docker" "start" "-a" "9aa9e34e93db10417fc893bdcf0250c4e396c9753223ae417dd935a2a5a8027a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rainbow_dash-8651b97cc5e614b2)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::command_status ... ok
[INFO] [stdout] test tests::unix_status ... ok
[INFO] [stdout] test tests::command_output ... ok
[INFO] [stdout] test tests::command_status_failure ... ok
[INFO] [stdout] test tests::unix_status_failure ... ok
[INFO] [stdout] test tests::unix_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rainbow_dash
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 23) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `execute_unix_command` in this scope
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | let status = execute_unix_command("ls -la");
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 23 + use rainbow_dash::execute_unix_command;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `execute_command_with_return` in this scope
[INFO] [stdout]   --> src/lib.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | let output = execute_command_with_return("echo 'Pinkie Pie is best pony!'")?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 17 + use rainbow_dash::execute_command_with_return;
[INFO] [stdout]    |
[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 `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_17_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 18 | let output = execute_command_with_return("echo 'Pinkie Pie is best pony!'")?;
[INFO] [stdout] 19 | println!("{}", String::from_utf8(output.stdout)?);
[INFO] [stdout]    |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 17 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_17_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 18 | let output = execute_command_with_return("echo 'Pinkie Pie is best pony!'")?;
[INFO] [stdout] 19 | println!("{}", String::from_utf8(output.stdout)?);
[INFO] [stdout] 20 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `execute_command` in this scope
[INFO] [stdout]   --> src/lib.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | let status = execute_command("echo 'Pinkie Pie is best pony!'")?;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 11 + use rainbow_dash::execute_command;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout]     src/lib.rs - (line 23)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9aa9e34e93db10417fc893bdcf0250c4e396c9753223ae417dd935a2a5a8027a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa9e34e93db10417fc893bdcf0250c4e396c9753223ae417dd935a2a5a8027a", kill_on_drop: false }`
[INFO] [stdout] 9aa9e34e93db10417fc893bdcf0250c4e396c9753223ae417dd935a2a5a8027a