[INFO] fetching crate is_utf8 0.1.4...
[INFO] testing is_utf8-0.1.4 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate is_utf8 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate is_utf8 0.1.4
[INFO] finished tweaking crates.io crate is_utf8 0.1.4
[INFO] tweaked toml for crates.io crate is_utf8 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate is_utf8 0.1.4 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cea8f69c03414081eee3aa1cf9848dd19d540ac90a6a4ffbf5d077f6dad1fe18
[INFO] running `Command { std: "docker" "start" "-a" "cea8f69c03414081eee3aa1cf9848dd19d540ac90a6a4ffbf5d077f6dad1fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cea8f69c03414081eee3aa1cf9848dd19d540ac90a6a4ffbf5d077f6dad1fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea8f69c03414081eee3aa1cf9848dd19d540ac90a6a4ffbf5d077f6dad1fe18", kill_on_drop: false }`
[INFO] [stdout] cea8f69c03414081eee3aa1cf9848dd19d540ac90a6a4ffbf5d077f6dad1fe18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fae8eca1bf62b022dcc677eec96fbcf3ac3b9a9170861f084250f3e5d351c456
[INFO] running `Command { std: "docker" "start" "-a" "fae8eca1bf62b022dcc677eec96fbcf3ac3b9a9170861f084250f3e5d351c456", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_utf8 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `dox`
[INFO] [stdout]  --> src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(dox, feature(doc_cfg))]
[INFO] [stdout]   |             ^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(dox)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(dox)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dox`
[INFO] [stdout]  --> src/lemire/mod.rs:7:65
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(any(all(target_feature = "avx", target_feature = "avx2"), dox))]
[INFO] [stdout]   |                                                                 ^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(dox)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(dox)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dox`
[INFO] [stdout]   --> src/lemire/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     dox
[INFO] [stdout]    |     ^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(dox)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(dox)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/libcore.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 });
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 82 |                         err!(Some(1))
[INFO] [stdout]    |                         ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/libcore.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 });
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 81 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[INFO] [stdout]    |                        ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `err` which comes from the expansion of the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/libcore.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 });
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 86 |                     match (first, next!()) {
[INFO] [stdout]    |                                   ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `err` which comes from the expansion of the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/libcore.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 });
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 91 |                         _ => err!(Some(1)),
[INFO] [stdout]    |                              ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/libcore.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 });
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 94 |                         err!(Some(2))
[INFO] [stdout]    |                         ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/libcore.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 });
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 93 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[INFO] [stdout]    |                        ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `err` which comes from the expansion of the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/libcore.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 });
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 98 |                     match (first, next!()) {
[INFO] [stdout]    |                                   ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `err` which comes from the expansion of the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/libcore.rs:43:19
[INFO] [stdout]     |
[INFO] [stdout]  43 |                 });
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 100 |                         _ => err!(Some(1)),
[INFO] [stdout]     |                              ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/libcore.rs:43:19
[INFO] [stdout]     |
[INFO] [stdout]  43 |                 });
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 103 |                         err!(Some(2))
[INFO] [stdout]     |                         ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/libcore.rs:43:19
[INFO] [stdout]     |
[INFO] [stdout]  43 |                 });
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 102 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[INFO] [stdout]     |                        ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `err` which comes from the expansion of the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/libcore.rs:43:19
[INFO] [stdout]     |
[INFO] [stdout]  43 |                 });
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 106 |                         err!(Some(3))
[INFO] [stdout]     |                         ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/libcore.rs:43:19
[INFO] [stdout]     |
[INFO] [stdout]  43 |                 });
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 105 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[INFO] [stdout]     |                        ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `err` which comes from the expansion of the macro `next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/libcore.rs:43:19
[INFO] [stdout]     |
[INFO] [stdout]  43 |                 });
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 109 |                 _ => err!(Some(1)),
[INFO] [stdout]     |                      ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dox`
[INFO] [stdout]   --> src/range/mod.rs:10:65
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(any(all(target_feature = "avx", target_feature = "avx2"), dox))]
[INFO] [stdout]    |                                                                 ^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(dox)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(dox)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `dox`
[INFO] [stdout]   --> src/range/mod.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(any(all(target_feature = "sse4.1"), dox))]
[INFO] [stdout]    |                                           ^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(dox)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(dox)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `is_utf8` (lib) due to 26 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fae8eca1bf62b022dcc677eec96fbcf3ac3b9a9170861f084250f3e5d351c456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae8eca1bf62b022dcc677eec96fbcf3ac3b9a9170861f084250f3e5d351c456", kill_on_drop: false }`
[INFO] [stdout] fae8eca1bf62b022dcc677eec96fbcf3ac3b9a9170861f084250f3e5d351c456
