[INFO] fetching crate ft2 0.2.1...
[INFO] testing ft2-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ft2 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ft2 0.2.1
[INFO] finished tweaking crates.io crate ft2 0.2.1
[INFO] tweaked toml for crates.io crate ft2 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ft2 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ft2 0.2.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded freetype-sys v0.7.1
[INFO] [stderr]   Downloaded tinyvec v1.2.0
[INFO] [stderr]   Downloaded fallible v0.1.3
[INFO] [stderr]   Downloaded utf v0.1.6
[INFO] [stderr]   Downloaded flags v0.1.5
[INFO] [stderr]   Downloaded null-terminated v0.3.15
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37feebf1dab6dfa0d8831839a1f84851f68016818115e0fd0d7d54e15a9bca94
[INFO] running `Command { std: "docker" "start" "-a" "37feebf1dab6dfa0d8831839a1f84851f68016818115e0fd0d7d54e15a9bca94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37feebf1dab6dfa0d8831839a1f84851f68016818115e0fd0d7d54e15a9bca94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37feebf1dab6dfa0d8831839a1f84851f68016818115e0fd0d7d54e15a9bca94", kill_on_drop: false }`
[INFO] [stdout] 37feebf1dab6dfa0d8831839a1f84851f68016818115e0fd0d7d54e15a9bca94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e53e0ab37a1fa5fdb66b22546f2dc0278d663f7a18eb544b8fd569934d7fd5dd
[INFO] running `Command { std: "docker" "start" "-a" "e53e0ab37a1fa5fdb66b22546f2dc0278d663f7a18eb544b8fd569934d7fd5dd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling freetype-sys v0.7.1
[INFO] [stderr]    Compiling utf v0.1.6
[INFO] [stderr]    Compiling flags v0.1.5
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling fallible v0.1.3
[INFO] [stderr]    Compiling null-terminated v0.3.15
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn index(&self, i: I) -> &Self::Output {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] note: required by a bound in `core::ops::Index`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/index.rs:59:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 | impl<A, I> Index<I> for Nul<A> where [A]: Index<I> {
[INFO] [stdout]     |                         ^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] note: required by a bound in `core::ops::Index`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/index.rs:59:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn index_mut(&mut self, i: I) -> &mut Self::Output {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] note: required by a bound in `core::ops::Index`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/index.rs:59:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:165:28
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl<A, I> IndexMut<I> for Nul<A> where [A]: IndexMut<I> {
[INFO] [stdout]     |                            ^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] note: required by a bound in `core::ops::IndexMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/index.rs:170:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:298:10
[INFO] [stdout]     |
[INFO] [stdout] 298 | #[derive(PartialEq, Eq, PartialOrd, Ord, Hash)]
[INFO] [stdout]     |          ^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `NulStr`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `NulStr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 | pub struct NulStr(Nul<u8>);
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] note: required by a bound in `StructuralPartialEq`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/marker.rs:261:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:313:27
[INFO] [stdout]     |
[INFO] [stdout] 313 | impl Index<RangeFull> for NulStr {
[INFO] [stdout]     |                           ^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `NulStr`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `NulStr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 | pub struct NulStr(Nul<u8>);
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] note: required by a bound in `core::ops::Index`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/index.rs:59:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:322:30
[INFO] [stdout]     |
[INFO] [stdout] 322 | impl IndexMut<RangeFull> for NulStr {
[INFO] [stdout]     |                              ^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `NulStr`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `NulStr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 | pub struct NulStr(Nul<u8>);
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] note: required by a bound in `core::ops::IndexMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/index.rs:170:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:110:49
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn get(&self, i: usize) -> Option<&A> { self[..].get(i) }
[INFO] [stdout]     |                                                 ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:114:61
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn get_mut(&mut self, i: usize) -> Option<&mut A> { self[..].get_mut(i) }
[INFO] [stdout]     |                                                             ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:174:60
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { self[..].fmt(f) }
[INFO] [stdout]     |                                                            ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn eq(&self, other: &Self) -> bool { self[..] == other[..] }
[INFO] [stdout]     |                                          ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:179:54
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn eq(&self, other: &Self) -> bool { self[..] == other[..] }
[INFO] [stdout]     |                                                      ^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |         <[A]>::partial_cmp(&self[..], &other[..])
[INFO] [stdout]     |                             ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:187:40
[INFO] [stdout]     |
[INFO] [stdout] 187 |         <[A]>::partial_cmp(&self[..], &other[..])
[INFO] [stdout]     |                                        ^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:193:59
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn cmp(&self, other: &Self) -> Ordering { <[A]>::cmp(&self[..], &other[..]) }
[INFO] [stdout]     |                                                           ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:193:70
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn cmp(&self, other: &Self) -> Ordering { <[A]>::cmp(&self[..], &other[..]) }
[INFO] [stdout]     |                                                                      ^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<A>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<A>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:304:83
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { write!(fmt, "{:?}", &self[..]) }
[INFO] [stdout]     |                                                                                   ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `NulStr`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `NulStr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 | pub struct NulStr(Nul<u8>);
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:310:77
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { fmt.write_str(&self[..]) }
[INFO] [stdout]     |                                                                             ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `NulStr`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `NulStr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 | pub struct NulStr(Nul<u8>);
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |         ::core::str::from_utf8_unchecked(&self.0[..])
[INFO] [stdout]     |                                           ^^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<u8>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<u8>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:325:51
[INFO] [stdout]     |
[INFO] [stdout] 325 |         ::core::str::from_utf8_unchecked_mut(&mut self.0[..])
[INFO] [stdout]     |                                                   ^^^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<u8>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<u8>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:374:56
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn is_char_boundary(&self, k: usize) -> bool { self[..].is_char_boundary(k) }
[INFO] [stdout]     |                                                        ^^^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `NulStr`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `NulStr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 | pub struct NulStr(Nul<u8>);
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:414:33
[INFO] [stdout]     |
[INFO] [stdout] 414 |         ::core::str::from_utf8(&s[..])?;
[INFO] [stdout]     |                                 ^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<u8>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<u8>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Opaque` cannot be known
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:424:41
[INFO] [stdout]     |
[INFO] [stdout] 424 |         ::core::str::from_utf8_mut(&mut s[..])?;
[INFO] [stdout]     |                                         ^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Nul<u8>`, the trait `MetaSized` is not implemented for `Opaque`
[INFO] [stdout] note: required because it appears within the type `Nul<u8>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.15/src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct Nul<A>([A; 0], Opaque);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `null-terminated` (lib) due to 23 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e53e0ab37a1fa5fdb66b22546f2dc0278d663f7a18eb544b8fd569934d7fd5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53e0ab37a1fa5fdb66b22546f2dc0278d663f7a18eb544b8fd569934d7fd5dd", kill_on_drop: false }`
[INFO] [stdout] e53e0ab37a1fa5fdb66b22546f2dc0278d663f7a18eb544b8fd569934d7fd5dd