[INFO] cloning repository https://github.com/Demindiro/qsh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Demindiro/qsh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Fqsh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Fqsh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2988f7cf4a271304fb388fc2d1184299b5982e2
[INFO] checking Demindiro/qsh against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemindiro%2Fqsh" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Demindiro/qsh on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Demindiro/qsh
[INFO] finished tweaking git repo https://github.com/Demindiro/qsh
[INFO] tweaked toml for git repo https://github.com/Demindiro/qsh written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Demindiro/qsh 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dynasmrt v1.2.1
[INFO] [stderr]   Downloaded dynasm v1.2.1
[INFO] [stderr]   Downloaded iced-x86 v1.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 067aab1cb24c1fc6f3a68e5024760bacade1dfca55e066c83bf212cfc8f7c112
[INFO] running `Command { std: "docker" "start" "-a" "067aab1cb24c1fc6f3a68e5024760bacade1dfca55e066c83bf212cfc8f7c112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "067aab1cb24c1fc6f3a68e5024760bacade1dfca55e066c83bf212cfc8f7c112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067aab1cb24c1fc6f3a68e5024760bacade1dfca55e066c83bf212cfc8f7c112", kill_on_drop: false }`
[INFO] [stdout] 067aab1cb24c1fc6f3a68e5024760bacade1dfca55e066c83bf212cfc8f7c112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f55398d9f0afd4ade7d2be264b27f6219313a0bb263b200dca5d4b2cc512c52
[INFO] running `Command { std: "docker" "start" "-a" "6f55398d9f0afd4ade7d2be264b27f6219313a0bb263b200dca5d4b2cc512c52", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking iced-x86 v1.16.0
[INFO] [stderr]     Checking memmap2 v0.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling dynasm v1.2.1
[INFO] [stderr]     Checking dynasmrt v1.2.1
[INFO] [stderr]     Checking qsh v0.1.0 (/opt/rustwide/workdir/qsh)
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]   --> qsh/src/jit/x64/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> qsh/src/jit/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Op`
[INFO] [stdout]  --> qsh/src/shell/mod.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::op::{Op, OpTreeParser, Register};
[INFO] [stdout]   |                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> qsh/src/shell/mod.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::token::{Token, TokenParser};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]   --> qsh/src/jit/x64/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> qsh/src/jit/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Op`
[INFO] [stdout]  --> qsh/src/shell/mod.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::op::{Op, OpTreeParser, Register};
[INFO] [stdout]   |                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> qsh/src/shell/mod.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::token::{Token, TokenParser};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `op::OpTree` in the current scope
[INFO] [stdout]    --> qsh/src/jit/mod.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let ops = OpTree::new(TokenParser::new(s).map(Result::unwrap), resolve_fn).unwrap();
[INFO] [stdout]     |                           ^^^ function or associated item not found in `OpTree<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: qsh/src/op/mod.rs:76:1
[INFO] [stdout]     |
[INFO] [stdout] 76  | pub struct OpTree<'a> {
[INFO] [stdout]     | --------------------- function or associated item `new` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `op::OpTree` in the current scope
[INFO] [stdout]   --> qsh/src/op/test.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     OpTree::new(TokenParser::new(s).map(Result::unwrap), resolve_fn)
[INFO] [stdout]    |             ^^^ function or associated item not found in `OpTree<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: qsh/src/op/mod.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct OpTree<'a> {
[INFO] [stdout]    | --------------------- function or associated item `new` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> qsh/src/op/test.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn reg_1<'a>(tp: &OpTree<'a>, var: &str) -> (RegisterIndex, Register<'a>) {
[INFO] [stdout]    |                                             ----------------------------- expected `(op::RegisterIndex, op::Register<'a>)` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 32 |     r
[INFO] [stdout]    |     ^ expected `(RegisterIndex, Register<'_>)`, found `(RegisterIndex, &Register<'_>)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected tuple `(op::RegisterIndex, op::Register<'a>)`
[INFO] [stdout]               found tuple `(op::RegisterIndex, &op::Register<'_>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:293:16
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     variable: "x",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     variable: std::borrow::Cow::Borrowed("x"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:298:16
[INFO] [stdout]     |
[INFO] [stdout] 298 |                     variable: "y",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 298 |                     variable: std::borrow::Cow::Borrowed("y"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:329:16
[INFO] [stdout]     |
[INFO] [stdout] 329 |                     variable: "x",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 329 |                     variable: std::borrow::Cow::Borrowed("x"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:334:16
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     variable: "y",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     variable: std::borrow::Cow::Borrowed("y"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:365:16
[INFO] [stdout]     |
[INFO] [stdout] 365 |                     variable: "x",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 365 |                     variable: std::borrow::Cow::Borrowed("x"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 370 |                     variable: "y",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 370 |                     variable: std::borrow::Cow::Borrowed("y"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:405:15
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 variable: "x",
[INFO] [stdout]     |                           ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 variable: std::borrow::Cow::Borrowed("x"),
[INFO] [stdout]     |                           +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:435:16
[INFO] [stdout]     |
[INFO] [stdout] 435 |                     variable: "x",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 435 |                     variable: std::borrow::Cow::Borrowed("x"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:440:16
[INFO] [stdout]     |
[INFO] [stdout] 440 |                     variable: "y",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 440 |                     variable: std::borrow::Cow::Borrowed("y"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:476:16
[INFO] [stdout]     |
[INFO] [stdout] 476 |                     variable: "x",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 476 |                     variable: std::borrow::Cow::Borrowed("x"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:481:16
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     variable: "y",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     variable: std::borrow::Cow::Borrowed("y"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> qsh/src/op/test.rs:486:16
[INFO] [stdout]     |
[INFO] [stdout] 486 |                     variable: "z",
[INFO] [stdout]     |                               ^^^ expected `Cow<'_, str>`, found `&str`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Cow<'_, str>`
[INFO] [stdout]             found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `std::borrow::Cow::Borrowed`
[INFO] [stdout]     |
[INFO] [stdout] 486 |                     variable: std::borrow::Cow::Borrowed("z"),
[INFO] [stdout]     |                               +++++++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qsh` (lib test) due to 16 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `stack_alloc_zeroed` is never used
[INFO] [stdout]   --> qsh/src/jit/x64/stack.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl<'a, F> X64Compiler<'a, F>
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub(super) fn stack_alloc_zeroed(&mut self, size: i32) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> qsh/src/runtime/pipe.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Box::from_raw(self.inner.as_ptr());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = Box::from_raw(self.inner.as_ptr());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f55398d9f0afd4ade7d2be264b27f6219313a0bb263b200dca5d4b2cc512c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f55398d9f0afd4ade7d2be264b27f6219313a0bb263b200dca5d4b2cc512c52", kill_on_drop: false }`
[INFO] [stdout] 6f55398d9f0afd4ade7d2be264b27f6219313a0bb263b200dca5d4b2cc512c52
