[INFO] fetching crate abistr 0.2.0-rc3...
[INFO] testing abistr-0.2.0-rc3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate abistr 0.2.0-rc3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate abistr 0.2.0-rc3
[INFO] finished tweaking crates.io crate abistr 0.2.0-rc3
[INFO] tweaked toml for crates.io crate abistr 0.2.0-rc3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate abistr 0.2.0-rc3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9efefce3f5af0f6b5ab5cc85b85516c2b14a27316b70406e1ba79472e05f81a3
[INFO] running `Command { std: "docker" "start" "-a" "9efefce3f5af0f6b5ab5cc85b85516c2b14a27316b70406e1ba79472e05f81a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9efefce3f5af0f6b5ab5cc85b85516c2b14a27316b70406e1ba79472e05f81a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efefce3f5af0f6b5ab5cc85b85516c2b14a27316b70406e1ba79472e05f81a3", kill_on_drop: false }`
[INFO] [stdout] 9efefce3f5af0f6b5ab5cc85b85516c2b14a27316b70406e1ba79472e05f81a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98c7d73606a669ec7a00d830db9467441153362d1f4abec8f565d36399d51deb
[INFO] running `Command { std: "docker" "start" "-a" "98c7d73606a669ec7a00d830db9467441153362d1f4abec8f565d36399d51deb", kill_on_drop: false }`
[INFO] [stderr]    Compiling abistr-macros v0.2.0-rc3
[INFO] [stderr]    Compiling abistr v0.2.0-rc3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/buffers.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn nul_truncate(&mut self) -> CStrNonNull<U> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn nul_truncate(&mut self) -> CStrNonNull<'_, U> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:31:57
[INFO] [stdout]    |
[INFO] [stdout] 31 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str>;
[INFO] [stdout]    |                                                         ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str>;
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str> { String::from_utf8_lossy(buf) }
[INFO] [stdout]    |                                                         ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str> { String::from_utf8_lossy(buf) }
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:49:57
[INFO] [stdout]    |
[INFO] [stdout] 49 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str> { Cow::Owned(String::from_utf16_lossy(buf)) }
[INFO] [stdout]    |                                                         ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str> { Cow::Owned(String::from_utf16_lossy(buf)) }
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:58:57
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...   #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str> { Cow::Owned(buf.iter().copied().map(|ch| core::char::fro...
[INFO] [stdout]    |                                                       ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str> { Cow::Owned(buf.iter().copied().map(|ch| core::char::from_u32(ch).unwrap_or(REPLACEMENT_CHARACTER)).collect::<String>()) }
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "98c7d73606a669ec7a00d830db9467441153362d1f4abec8f565d36399d51deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c7d73606a669ec7a00d830db9467441153362d1f4abec8f565d36399d51deb", kill_on_drop: false }`
[INFO] [stdout] 98c7d73606a669ec7a00d830db9467441153362d1f4abec8f565d36399d51deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc86fea5c494e8118ffd3daf18643b64f090f277e1f9b770dd4cffacd6c0a9af
[INFO] running `Command { std: "docker" "start" "-a" "fc86fea5c494e8118ffd3daf18643b64f090f277e1f9b770dd4cffacd6c0a9af", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/buffers.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn nul_truncate(&mut self) -> CStrNonNull<U> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn nul_truncate(&mut self) -> CStrNonNull<'_, U> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:31:57
[INFO] [stdout]    |
[INFO] [stdout] 31 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str>;
[INFO] [stdout]    |                                                         ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str>;
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str> { String::from_utf8_lossy(buf) }
[INFO] [stdout]    |                                                         ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str> { String::from_utf8_lossy(buf) }
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:49:57
[INFO] [stdout]    |
[INFO] [stdout] 49 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str> { Cow::Owned(String::from_utf16_lossy(buf)) }
[INFO] [stdout]    |                                                         ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str> { Cow::Owned(String::from_utf16_lossy(buf)) }
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unit.rs:58:57
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...   #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<str> { Cow::Owned(buf.iter().copied().map(|ch| core::char::fro...
[INFO] [stdout]    |                                                       ^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |         #[cfg(feature = "std")] fn to_string_lossy(buf: &[Self]) -> Cow<'_, str> { Cow::Owned(buf.iter().copied().map(|ch| core::char::from_u32(ch).unwrap_or(REPLACEMENT_CHARACTER)).collect::<String>()) }
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling abistr v0.2.0-rc3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 |     assert_abi_compatible!([c_char;  1], CStrBuf<u8,  1>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |     assert_abi_compatible!([c_char;  2], CStrBuf<u8,  2>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |     assert_abi_compatible!([c_char;  3], CStrBuf<u8,  3>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:245:29
[INFO] [stdout]     |
[INFO] [stdout] 245 |     assert_abi_compatible!([c_char;  4], CStrBuf<u8,  4>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:246:29
[INFO] [stdout]     |
[INFO] [stdout] 246 |     assert_abi_compatible!([c_char;  6], CStrBuf<u8,  6>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |     assert_abi_compatible!([c_char;  8], CStrBuf<u8,  8>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:248:29
[INFO] [stdout]     |
[INFO] [stdout] 248 |     assert_abi_compatible!([c_char; 12], CStrBuf<u8, 12>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:249:29
[INFO] [stdout]     |
[INFO] [stdout] 249 |     assert_abi_compatible!([c_char; 16], CStrBuf<u8, 16>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:250:29
[INFO] [stdout]     |
[INFO] [stdout] 250 |     assert_abi_compatible!([c_char; 24], CStrBuf<u8, 24>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:251:29
[INFO] [stdout]     |
[INFO] [stdout] 251 |     assert_abi_compatible!([c_char; 99], CStrBuf<u8, 99>);
[INFO] [stdout]     |                             ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:406:26
[INFO] [stdout]     |
[INFO] [stdout] 406 |         empty:          [c_char; 16],
[INFO] [stdout]     |                          ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:407:26
[INFO] [stdout]     |
[INFO] [stdout] 407 |         empty2:         [c_char; 16],
[INFO] [stdout]     |                          ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:408:26
[INFO] [stdout]     |
[INFO] [stdout] 408 |         empty3:         [c_char; 16],
[INFO] [stdout]     |                          ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:409:26
[INFO] [stdout]     |
[INFO] [stdout] 409 |         example:        [c_char; 16],
[INFO] [stdout]     |                          ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:410:26
[INFO] [stdout]     |
[INFO] [stdout] 410 |         full:           [c_char; 16],
[INFO] [stdout]     |                          ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:411:26
[INFO] [stdout]     |
[INFO] [stdout] 411 |         not_unicode:    [c_char; 16],
[INFO] [stdout]     |                          ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:422:32
[INFO] [stdout]     |
[INFO] [stdout] 422 |     c.not_unicode[0] = 0xFF as c_char;
[INFO] [stdout]     |                                ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/buffers.rs:423:32
[INFO] [stdout]     |
[INFO] [stdout] 423 |     c.not_unicode[1] = 0xFF as c_char;
[INFO] [stdout]     |                                ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/buffers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/pointers.rs:309:56
[INFO] [stdout]     |
[INFO] [stdout] 309 |     assert_abi_compatible!(CStrPtr,             *const c_char);
[INFO] [stdout]     |                                                        ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/pointers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/pointers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/pointers.rs:310:56
[INFO] [stdout]     |
[INFO] [stdout] 310 |     assert_abi_compatible!(Option<CStrNonNull>, *const c_char);
[INFO] [stdout]     |                                                        ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/pointers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/pointers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `c_char` is ambiguous
[INFO] [stdout]    --> src/pointers.rs:311:57
[INFO] [stdout]     |
[INFO] [stdout] 311 |     assert_abi_compatible!(CStrNonNull,         NonNull<c_char>);
[INFO] [stdout]     |                                                         ^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `c_char` could refer to the type alias imported here
[INFO] [stdout]    --> src/pointers.rs:6:29
[INFO] [stdout]     |
[INFO] [stdout]   6 | #[cfg(feature = "std")] use std::ffi::*;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] note: `c_char` could also refer to the type alias imported here
[INFO] [stdout]    --> src/pointers.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `c_char` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `abistr` (lib test) due to 21 previous errors
[INFO] running `Command { std: "docker" "inspect" "fc86fea5c494e8118ffd3daf18643b64f090f277e1f9b770dd4cffacd6c0a9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc86fea5c494e8118ffd3daf18643b64f090f277e1f9b770dd4cffacd6c0a9af", kill_on_drop: false }`
[INFO] [stdout] fc86fea5c494e8118ffd3daf18643b64f090f277e1f9b770dd4cffacd6c0a9af