[INFO] fetching crate oursh 0.4.3...
[INFO] testing oursh-0.4.3 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate oursh 0.4.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate oursh 0.4.3 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate oursh 0.4.3
[INFO] finished tweaking crates.io crate oursh 0.4.3
[INFO] tweaked toml for crates.io crate oursh 0.4.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate oursh 0.4.3 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded retain_mut v0.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63acb276844dd7d7df238d688554da0cce69c7ac02f554428ce622d95b6cfc10
[INFO] running `Command { std: "docker" "start" "-a" "63acb276844dd7d7df238d688554da0cce69c7ac02f554428ce622d95b6cfc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63acb276844dd7d7df238d688554da0cce69c7ac02f554428ce622d95b6cfc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63acb276844dd7d7df238d688554da0cce69c7ac02f554428ce622d95b6cfc10", kill_on_drop: false }`
[INFO] [stdout] 63acb276844dd7d7df238d688554da0cce69c7ac02f554428ce622d95b6cfc10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f659b7dd4b3aae0a91fca77f0001a40385793c89021198c340363eaaade55d4
[INFO] running `Command { std: "docker" "start" "-a" "1f659b7dd4b3aae0a91fca77f0001a40385793c89021198c340363eaaade55d4", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling oursh v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | #![feature(box_syntax, box_patterns, with_options)]
[INFO] [stdout]     |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4689:44
[INFO] [stdout]      |
[INFO] [stdout] 4689 |         j.insert(&ast::Command::Background(box cs))
[INFO] [stdout]      |                                            ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4689 |         j.insert(&ast::Command::Background(Box::new(cs)))
[INFO] [stdout]      |                                            ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4714:34
[INFO] [stdout]      |
[INFO] [stdout] 4714 |         ast::Command::Background(box cs)
[INFO] [stdout]      |                                  ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4714 |         ast::Command::Background(Box::new(cs))
[INFO] [stdout]      |                                  ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4808:32
[INFO] [stdout]      |
[INFO] [stdout] 4808 |         ast::Command::Subshell(box p)
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4808 |         ast::Command::Subshell(Box::new(p))
[INFO] [stdout]      |                                ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4839:38
[INFO] [stdout]      |
[INFO] [stdout] 4839 |         let left = ast::Command::And(box cond, box then);
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4839 |         let left = ast::Command::And(Box::new(cond), box then);
[INFO] [stdout]      |                                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4839:48
[INFO] [stdout]      |
[INFO] [stdout] 4839 |         let left = ast::Command::And(box cond, box then);
[INFO] [stdout]      |                                                ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4839 |         let left = ast::Command::And(box cond, Box::new(then));
[INFO] [stdout]      |                                                ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4840:26
[INFO] [stdout]      |
[INFO] [stdout] 4840 |         ast::Command::Or(box left, box els)
[INFO] [stdout]      |                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4840 |         ast::Command::Or(Box::new(left), box els)
[INFO] [stdout]      |                          ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4840:36
[INFO] [stdout]      |
[INFO] [stdout] 4840 |         ast::Command::Or(box left, box els)
[INFO] [stdout]      |                                    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4840 |         ast::Command::Or(box left, Box::new(els))
[INFO] [stdout]      |                                    ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4857:27
[INFO] [stdout]      |
[INFO] [stdout] 4857 |         ast::Command::And(box cond, box then)
[INFO] [stdout]      |                           ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4857 |         ast::Command::And(Box::new(cond), box then)
[INFO] [stdout]      |                           ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4857:37
[INFO] [stdout]      |
[INFO] [stdout] 4857 |         ast::Command::And(box cond, box then)
[INFO] [stdout]      |                                     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4857 |         ast::Command::And(box cond, Box::new(then))
[INFO] [stdout]      |                                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4872:27
[INFO] [stdout]      |
[INFO] [stdout] 4872 |         ast::Command::And(box cs, box p)
[INFO] [stdout]      |                           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4872 |         ast::Command::And(Box::new(cs), box p)
[INFO] [stdout]      |                           ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4872:35
[INFO] [stdout]      |
[INFO] [stdout] 4872 |         ast::Command::And(box cs, box p)
[INFO] [stdout]      |                                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4872 |         ast::Command::And(box cs, Box::new(p))
[INFO] [stdout]      |                                   ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4887:26
[INFO] [stdout]      |
[INFO] [stdout] 4887 |         ast::Command::Or(box cs, box p)
[INFO] [stdout]      |                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4887 |         ast::Command::Or(Box::new(cs), box p)
[INFO] [stdout]      |                          ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4887:34
[INFO] [stdout]      |
[INFO] [stdout] 4887 |         ast::Command::Or(box cs, box p)
[INFO] [stdout]      |                                  ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4887 |         ast::Command::Or(box cs, Box::new(p))
[INFO] [stdout]      |                                  ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4914:27
[INFO] [stdout]      |
[INFO] [stdout] 4914 |         ast::Command::And(box elif, box then)
[INFO] [stdout]      |                           ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4914 |         ast::Command::And(Box::new(elif), box then)
[INFO] [stdout]      |                           ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4914:37
[INFO] [stdout]      |
[INFO] [stdout] 4914 |         ast::Command::And(box elif, box then)
[INFO] [stdout]      |                                     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4914 |         ast::Command::And(box elif, Box::new(then))
[INFO] [stdout]      |                                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4931:38
[INFO] [stdout]      |
[INFO] [stdout] 4931 |         let left = ast::Command::And(box elif, box then);
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4931 |         let left = ast::Command::And(Box::new(elif), box then);
[INFO] [stdout]      |                                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4931:48
[INFO] [stdout]      |
[INFO] [stdout] 4931 |         let left = ast::Command::And(box elif, box then);
[INFO] [stdout]      |                                                ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4931 |         let left = ast::Command::And(box elif, Box::new(then));
[INFO] [stdout]      |                                                ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4932:26
[INFO] [stdout]      |
[INFO] [stdout] 4932 |         ast::Command::Or(box left, box els)
[INFO] [stdout]      |                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4932 |         ast::Command::Or(Box::new(left), box els)
[INFO] [stdout]      |                          ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4932:36
[INFO] [stdout]      |
[INFO] [stdout] 4932 |         ast::Command::Or(box left, box els)
[INFO] [stdout]      |                                    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4932 |         ast::Command::Or(box left, Box::new(els))
[INFO] [stdout]      |                                    ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4958:27
[INFO] [stdout]      |
[INFO] [stdout] 4958 |         ast::Command::Not(box ps)
[INFO] [stdout]      |                           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4958 |         ast::Command::Not(Box::new(ps))
[INFO] [stdout]      |                           ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4985:32
[INFO] [stdout]      |
[INFO] [stdout] 4985 |         ast::Command::Pipeline(box ps, box c)
[INFO] [stdout]      |                                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4985 |         ast::Command::Pipeline(Box::new(ps), box c)
[INFO] [stdout]      |                                ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/oursh-c951f215f61ec074/out/program/posix/mod.rs:4985:40
[INFO] [stdout]      |
[INFO] [stdout] 4985 |         ast::Command::Pipeline(box ps, box c)
[INFO] [stdout]      |                                        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]      |
[INFO] [stdout] 4985 |         ast::Command::Pipeline(box ps, Box::new(c))
[INFO] [stdout]      |                                        ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:102:1
[INFO] [stdout]     |
[INFO] [stdout] 102 | #![feature(box_syntax, box_patterns, with_options)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:102:38
[INFO] [stdout]     |
[INFO] [stdout] 102 | #![feature(box_syntax, box_patterns, with_options)]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `with_options` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:102:38
[INFO] [stdout]     |
[INFO] [stdout] 102 | #![feature(box_syntax, box_patterns, with_options)]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `with_options` found for struct `std::fs::File` in the current scope
[INFO] [stdout]    --> src/program/posix/mod.rs:220:46
[INFO] [stdout]     |
[INFO] [stdout] 220 | ...                   let file = File::with_options()
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        function or associated item not found in `File`
[INFO] [stdout]     |                                        help: there is an associated function with a similar name: `options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `with_options` found for struct `std::fs::File` in the current scope
[INFO] [stdout]    --> src/program/posix/mod.rs:229:46
[INFO] [stdout]     |
[INFO] [stdout] 229 | ...                   let file = File::with_options()
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        function or associated item not found in `File`
[INFO] [stdout]     |                                        help: there is an associated function with a similar name: `options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `with_options` found for struct `std::fs::File` in the current scope
[INFO] [stdout]    --> src/program/posix/mod.rs:238:46
[INFO] [stdout]     |
[INFO] [stdout] 238 | ...                   let file = File::with_options()
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        function or associated item not found in `File`
[INFO] [stdout]     |                                        help: there is an associated function with a similar name: `options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `retain_mut::RetainMut`
[INFO] [stdout]   --> src/process/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use retain_mut::RetainMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::unix::io::IntoRawFd`
[INFO] [stdout]    --> src/program/posix/mod.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     os::unix::io::IntoRawFd,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 28 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oursh` (lib) due to 29 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1f659b7dd4b3aae0a91fca77f0001a40385793c89021198c340363eaaade55d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f659b7dd4b3aae0a91fca77f0001a40385793c89021198c340363eaaade55d4", kill_on_drop: false }`
[INFO] [stdout] 1f659b7dd4b3aae0a91fca77f0001a40385793c89021198c340363eaaade55d4
