[INFO] fetching crate widestring 1.2.1... [INFO] checking widestring-1.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate widestring 1.2.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate widestring 1.2.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate widestring 1.2.1 [INFO] tweaked toml for crates.io crate widestring 1.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate widestring 1.2.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate widestring 1.2.1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d25abf0fdf87d4e0f616f513f3d5f2ba62144d34776e99a8f5c94d5666ada3a [INFO] running `Command { std: "docker" "start" "-a" "2d25abf0fdf87d4e0f616f513f3d5f2ba62144d34776e99a8f5c94d5666ada3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d25abf0fdf87d4e0f616f513f3d5f2ba62144d34776e99a8f5c94d5666ada3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d25abf0fdf87d4e0f616f513f3d5f2ba62144d34776e99a8f5c94d5666ada3a", kill_on_drop: false }` [INFO] [stdout] 2d25abf0fdf87d4e0f616f513f3d5f2ba62144d34776e99a8f5c94d5666ada3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73ba940ef3930ed8708498c5cc14a90d52a94e881ca87868bdc0fe4c9bf9a877 [INFO] running `Command { std: "docker" "start" "-a" "73ba940ef3930ed8708498c5cc14a90d52a94e881ca87868bdc0fe4c9bf9a877", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling windows_x86_64_gnu v0.52.6 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Checking widestring v1.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking windows-targets v0.52.6 [INFO] [stderr] Checking windows-sys v0.59.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking regex v1.7.3 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ustring.rs:738:61 [INFO] [stdout] | [INFO] [stdout] 738 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________________^ [INFO] [stdout] 739 | | Ok(Self::from_str(s)) [INFO] [stdout] 740 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] ... [INFO] [stdout] 915 | / ustring_common_impl! { [INFO] [stdout] 916 | | /// An owned, mutable 16-bit wide string with undefined encoding. [INFO] [stdout] 917 | | /// [INFO] [stdout] 918 | | /// The string slice of a [`U16String`] is [`U16Str`]. [INFO] [stdout] ... | [INFO] [stdout] 1039 | | fn into_boxed_ustr() -> {} [INFO] [stdout] 1040 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `ustring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ustring.rs:739:17 [INFO] [stdout] | [INFO] [stdout] 739 | Ok(Self::from_str(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 915 | / ustring_common_impl! { [INFO] [stdout] 916 | | /// An owned, mutable 16-bit wide string with undefined encoding. [INFO] [stdout] 917 | | /// [INFO] [stdout] 918 | | /// The string slice of a [`U16String`] is [`U16Str`]. [INFO] [stdout] ... | [INFO] [stdout] 1039 | | fn into_boxed_ustr() -> {} [INFO] [stdout] 1040 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `ustring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ustring.rs:738:61 [INFO] [stdout] | [INFO] [stdout] 738 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________________^ [INFO] [stdout] 739 | | Ok(Self::from_str(s)) [INFO] [stdout] 740 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] ... [INFO] [stdout] 1042 | / ustring_common_impl! { [INFO] [stdout] 1043 | | /// An owned, mutable 32-bit wide string with undefined encoding. [INFO] [stdout] 1044 | | /// [INFO] [stdout] 1045 | | /// The string slice of a [`U32String`] is [`U32Str`]. [INFO] [stdout] ... | [INFO] [stdout] 1166 | | fn into_boxed_ustr() -> {} [INFO] [stdout] 1167 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `ustring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ustring.rs:739:17 [INFO] [stdout] | [INFO] [stdout] 739 | Ok(Self::from_str(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1042 | / ustring_common_impl! { [INFO] [stdout] 1043 | | /// An owned, mutable 32-bit wide string with undefined encoding. [INFO] [stdout] 1044 | | /// [INFO] [stdout] 1045 | | /// The string slice of a [`U32String`] is [`U32Str`]. [INFO] [stdout] ... | [INFO] [stdout] 1166 | | fn into_boxed_ustr() -> {} [INFO] [stdout] 1167 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `ustring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/utfstring.rs:608:61 [INFO] [stdout] | [INFO] [stdout] 608 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________________^ [INFO] [stdout] 609 | | Ok($utfstring::from_str(s)) [INFO] [stdout] 610 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] ... [INFO] [stdout] 892 | / utfstring_common_impl! { [INFO] [stdout] 893 | | /// A UTF-16 encoded, growable owned string. [INFO] [stdout] 894 | | /// [INFO] [stdout] 895 | | /// [`Utf16String`] is a version of [`String`] that uses UTF-16 encoding instead of UTF-8 [INFO] [stdout] ... | [INFO] [stdout] 998 | | fn as_mut_vec() -> {} [INFO] [stdout] 999 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `utfstring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/utfstring.rs:609:17 [INFO] [stdout] | [INFO] [stdout] 609 | Ok($utfstring::from_str(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 892 | / utfstring_common_impl! { [INFO] [stdout] 893 | | /// A UTF-16 encoded, growable owned string. [INFO] [stdout] 894 | | /// [INFO] [stdout] 895 | | /// [`Utf16String`] is a version of [`String`] that uses UTF-16 encoding instead of UTF-8 [INFO] [stdout] ... | [INFO] [stdout] 998 | | fn as_mut_vec() -> {} [INFO] [stdout] 999 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `utfstring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/utfstring.rs:608:61 [INFO] [stdout] | [INFO] [stdout] 608 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________________^ [INFO] [stdout] 609 | | Ok($utfstring::from_str(s)) [INFO] [stdout] 610 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] ... [INFO] [stdout] 1001 | / utfstring_common_impl! { [INFO] [stdout] 1002 | | /// A UTF-32 encoded, growable owned string. [INFO] [stdout] 1003 | | /// [INFO] [stdout] 1004 | | /// [`Utf32String`] is a version of [`String`] that uses UTF-32 encoding instead of UTF-8 [INFO] [stdout] ... | [INFO] [stdout] 1108 | | fn as_mut_vec() -> {} [INFO] [stdout] 1109 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `utfstring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/utfstring.rs:609:17 [INFO] [stdout] | [INFO] [stdout] 609 | Ok($utfstring::from_str(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1001 | / utfstring_common_impl! { [INFO] [stdout] 1002 | | /// A UTF-32 encoded, growable owned string. [INFO] [stdout] 1003 | | /// [INFO] [stdout] 1004 | | /// [`Utf32String`] is a version of [`String`] that uses UTF-32 encoding instead of UTF-8 [INFO] [stdout] ... | [INFO] [stdout] 1108 | | fn as_mut_vec() -> {} [INFO] [stdout] 1109 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `utfstring_common_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `widestring` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "73ba940ef3930ed8708498c5cc14a90d52a94e881ca87868bdc0fe4c9bf9a877", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73ba940ef3930ed8708498c5cc14a90d52a94e881ca87868bdc0fe4c9bf9a877", kill_on_drop: false }` [INFO] [stdout] 73ba940ef3930ed8708498c5cc14a90d52a94e881ca87868bdc0fe4c9bf9a877