[INFO] fetching crate shell-util 0.0.0...
[INFO] testing shell-util-0.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate shell-util 0.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate shell-util 0.0.0
[INFO] finished tweaking crates.io crate shell-util 0.0.0
[INFO] tweaked toml for crates.io crate shell-util 0.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shell-util 0.0.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shell-util 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 948aa3f36d4249bf62648bdf1da745e0f95f95542aa9fb4124a785502ca63e1c
[INFO] running `Command { std: "docker" "start" "-a" "948aa3f36d4249bf62648bdf1da745e0f95f95542aa9fb4124a785502ca63e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948aa3f36d4249bf62648bdf1da745e0f95f95542aa9fb4124a785502ca63e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948aa3f36d4249bf62648bdf1da745e0f95f95542aa9fb4124a785502ca63e1c", kill_on_drop: false }`
[INFO] [stdout] 948aa3f36d4249bf62648bdf1da745e0f95f95542aa9fb4124a785502ca63e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c999da4ce92fb55ac6d6aa4270fb4e4ab52e2bc99adf630f686e4ee9652b44e1
[INFO] running `Command { std: "docker" "start" "-a" "c999da4ce92fb55ac6d6aa4270fb4e4ab52e2bc99adf630f686e4ee9652b44e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling shared_child v1.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling shell-util v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.09s
[INFO] running `Command { std: "docker" "inspect" "c999da4ce92fb55ac6d6aa4270fb4e4ab52e2bc99adf630f686e4ee9652b44e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c999da4ce92fb55ac6d6aa4270fb4e4ab52e2bc99adf630f686e4ee9652b44e1", kill_on_drop: false }`
[INFO] [stdout] c999da4ce92fb55ac6d6aa4270fb4e4ab52e2bc99adf630f686e4ee9652b44e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beee13cebdfceaaf6a5cd919b2589db25a5b82bb1f304ef0b27c88d36b2770c9
[INFO] running `Command { std: "docker" "start" "-a" "beee13cebdfceaaf6a5cd919b2589db25a5b82bb1f304ef0b27c88d36b2770c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling shell-util v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "beee13cebdfceaaf6a5cd919b2589db25a5b82bb1f304ef0b27c88d36b2770c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beee13cebdfceaaf6a5cd919b2589db25a5b82bb1f304ef0b27c88d36b2770c9", kill_on_drop: false }`
[INFO] [stdout] beee13cebdfceaaf6a5cd919b2589db25a5b82bb1f304ef0b27c88d36b2770c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 462a304b7fc8921cb39e504e31b04cb9df2a70e2d3e5bdcdaf2d88e689794596
[INFO] running `Command { std: "docker" "start" "-a" "462a304b7fc8921cb39e504e31b04cb9df2a70e2d3e5bdcdaf2d88e689794596", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `slice_internals` is internal to the compiler or standard library
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_internals)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: using it is strongly discouraged
[INFO] [stderr]   = note: `#[warn(internal_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shell-util` (lib) generated 1 warning
[INFO] [stderr] warning: `shell-util` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shell_util-0af79dbc680898ef)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test shell::tests::test_raw_output ... ok
[INFO] [stdout] test shell::tests::test_command_failure ... ok
[INFO] [stderr]    Doc-tests shell_util
[INFO] [stdout] test shell::tests::test_echo_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `slice_internals` is internal to the compiler or standard library
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_internals)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: using it is strongly discouraged
[INFO] [stderr]   = note: `#[warn(internal_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/shell.rs - shell::Buffer::push (line 46) ... FAILED
[INFO] [stdout] test src/shell.rs - shell::Shell::spawn (line 257) - compile ... FAILED
[INFO] [stdout] test src/shell.rs - shell::Shell::status (line 224) - compile ... FAILED
[INFO] [stdout] test src/shell.rs - shell::Shell::exec (line 174) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/shell.rs - shell::Buffer::push (line 46) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `crate::shell`
[INFO] [stdout]  --> src/shell.rs:47:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::shell::Buffer;
[INFO] [stdout]   |            ^^^^^ could not find `shell` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/shell.rs - shell::Shell::spawn (line 257) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `shell_util::CommandEvent`
[INFO] [stdout]  --> src/shell.rs:259:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use shell_util::{CommandEvent, Shell};
[INFO] [stdout]   |                  ^^^^^^^^^^^^ no `CommandEvent` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CommandOptions`
[INFO] [stdout]  --> src/shell.rs:260:37
[INFO] [stdout]   |
[INFO] [stdout] 6 | let child = Shell::spawn("yes", [], CommandOptions::default())
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^ use of undeclared type `CommandOptions`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use shell_util::CommandOptions;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/shell.rs:263:47
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_shell_rs_257_0() {
[INFO] [stdout]   |                                      ------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 9 | while let Some(event) = child.events().recv().await {
[INFO] [stdout]   |                                               ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/shell.rs - shell::Shell::status (line 224) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/shell.rs:229:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_shell_rs_224_0() {
[INFO] [stdout]   |                                      ------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 8 |       .await
[INFO] [stdout]   |        ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CommandOptions` is not an iterator
[INFO] [stdout]    --> src/shell.rs:228:39
[INFO] [stdout]     |
[INFO] [stdout]   7 |     Shell::status("echo", ["Hello!"], CommandOptions::default())
[INFO] [stdout]     |     -------------                     ^^^^^^^^^^^^^^^^^^^^^^^^^ `CommandOptions` is not an iterator
[INFO] [stdout]     |     |
[INFO] [stdout]     |     required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `CommandOptions`
[INFO] [stdout]     = note: required for `CommandOptions` to implement `IntoIterator`
[INFO] [stdout] note: required by a bound in `Shell::status`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/shell.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |   pub async fn status<I, S>(
[INFO] [stdout]     |                ------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 239 |     I: IntoIterator<Item = S>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Shell::status`
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 3 arguments were supplied
[INFO] [stdout]    --> src/shell.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |     Shell::status("echo", ["Hello!"], CommandOptions::default())
[INFO] [stdout]     |     ^^^^^^^^^^^^^ ------  ---------- expected `&CommandOptions`, found `[&str; 1]`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   argument #1 of type `&Shell` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/shell.rs:232:16
[INFO] [stdout]     |
[INFO] [stdout] 232 |   pub async fn status<I, S>(
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout]   7 -     Shell::status("echo", ["Hello!"], CommandOptions::default())
[INFO] [stdout]   7 +     Shell::status(/* &Shell */, "echo", CommandOptions::default(), /* &CommandOptions */)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CommandOptions` is not an iterator
[INFO] [stdout]    --> src/shell.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |     Shell::status("echo", ["Hello!"], CommandOptions::default())
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CommandOptions` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `CommandOptions`
[INFO] [stdout]     = note: required for `CommandOptions` to implement `IntoIterator`
[INFO] [stdout] note: required by a bound in `Shell::status`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/shell.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |   pub async fn status<I, S>(
[INFO] [stdout]     |                ------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 239 |     I: IntoIterator<Item = S>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Shell::status`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/shell.rs - shell::Shell::exec (line 174) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/shell.rs:179:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_shell_rs_174_0() {
[INFO] [stdout]   |                                      ------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 8 |       .await
[INFO] [stdout]   |        ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/shell.rs - shell::Buffer::push (line 46)
[INFO] [stdout]     src/shell.rs - shell::Shell::exec (line 174)
[INFO] [stdout]     src/shell.rs - shell::Shell::spawn (line 257)
[INFO] [stdout]     src/shell.rs - shell::Shell::status (line 224)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "462a304b7fc8921cb39e504e31b04cb9df2a70e2d3e5bdcdaf2d88e689794596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462a304b7fc8921cb39e504e31b04cb9df2a70e2d3e5bdcdaf2d88e689794596", kill_on_drop: false }`
[INFO] [stdout] 462a304b7fc8921cb39e504e31b04cb9df2a70e2d3e5bdcdaf2d88e689794596