[INFO] fetching crate fast-str 1.0.0...
[INFO] testing fast-str-1.0.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate fast-str 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate fast-str 1.0.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-str 1.0.0
[INFO] finished tweaking crates.io crate fast-str 1.0.0
[INFO] tweaked toml for crates.io crate fast-str 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 207 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diffus v0.10.0
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "a22a2d9d3686a5e25a7fdaa5b35c5d797aca74fe547c96b1e7d8164efa75a97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22a2d9d3686a5e25a7fdaa5b35c5d797aca74fe547c96b1e7d8164efa75a97b", kill_on_drop: false }`
[INFO] [stdout] a22a2d9d3686a5e25a7fdaa5b35c5d797aca74fe547c96b1e7d8164efa75a97b
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef32adfa71d663d8f67c503fd1cba8c08396c58cb17fe071fc490899f0955f21
[INFO] running `Command { std: "docker" "start" "-a" "ef32adfa71d663d8f67c503fd1cba8c08396c58cb17fe071fc490899f0955f21", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-str v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stdout]    --> src/pattern/mod.rs:340:11
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "ef32adfa71d663d8f67c503fd1cba8c08396c58cb17fe071fc490899f0955f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef32adfa71d663d8f67c503fd1cba8c08396c58cb17fe071fc490899f0955f21", kill_on_drop: false }`
[INFO] [stdout] ef32adfa71d663d8f67c503fd1cba8c08396c58cb17fe071fc490899f0955f21
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e825c0358aff4443861de24bed330dca087463bdd289256cfcff4ad8813f84e3
[INFO] running `Command { std: "docker" "start" "-a" "e825c0358aff4443861de24bed330dca087463bdd289256cfcff4ad8813f84e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stdout] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stdout]    --> src/pattern/mod.rs:340:11
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling fast-str v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stdout]    --> src/pattern/mod.rs:340:11
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.00s
[INFO] running `Command { std: "docker" "inspect" "e825c0358aff4443861de24bed330dca087463bdd289256cfcff4ad8813f84e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e825c0358aff4443861de24bed330dca087463bdd289256cfcff4ad8813f84e3", kill_on_drop: false }`
[INFO] [stdout] e825c0358aff4443861de24bed330dca087463bdd289256cfcff4ad8813f84e3
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3347a4e7a67d86f0bae1d68e4996d30417ad31e4f70e93c094072131922c7ffe
[INFO] running `Command { std: "docker" "start" "-a" "3347a4e7a67d86f0bae1d68e4996d30417ad31e4f70e93c094072131922c7ffe", kill_on_drop: false }`
[INFO] [stderr] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stderr]    --> src/pattern/mod.rs:340:11
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-str` (lib) generated 1 warning
[INFO] [stderr] warning: `fast-str` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_str-2d70c309adcb73c2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_str
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::as_bytes (line 204) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::matches (line 350) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::rmatches (line 405) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replace (line 460) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replace (line 470) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replacen (line 501) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::repeat (line 50) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replacen (line 511) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::strip_prefix (line 736) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::match_indices (line 380) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::rmatch_indices (line 432) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::slice (line 218) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_lowercase (line 164) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::strip_suffix (line 755) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_ascii_lowercase (line 97) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_lowercase (line 187) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_ascii_uppercase (line 73) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_uppercase (line 132) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_lowercase (line 173) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_uppercase (line 123) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_uppercase (line 140) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::trim (line 260) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::trim_end (line 323) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::trim_start (line 292) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::&'b[char] (line 847) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::&'b[char;N] (line 807) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::&'bstr (line 927) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::[char;N] (line 787) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::char (line 531) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::Pattern (line 70) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::F (line 896) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::as_bytes (line 204) stdout ----
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]  --> src/backend/mod.rs:207:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | let bytes = FastStr::from("bors").as_bytes();
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^           - temporary value is freed at the end of this statement
[INFO] [stdout]   |             |
[INFO] [stdout]   |             creates a temporary value which is freed while still in use
[INFO] [stdout] 7 | assert_eq!(b"bors", bytes);
[INFO] [stdout]   | -------------------------- borrow later used here
[INFO] [stdout]   |
[INFO] [stdout] help: consider using a `let` binding to create a longer lived value
[INFO] [stdout]   |
[INFO] [stdout] 6 + let binding = FastStr::from("bors");
[INFO] [stdout] 7 ~ let bytes = binding.as_bytes();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::matches (line 350) stdout ----
[INFO] [stdout] error[E0277]: a value of type `Vec<&str>` cannot be built from an iterator over elements of type `FastStr`
[INFO] [stdout]  --> src/backend/mod.rs:353:68
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").matches("abc").collect();
[INFO] [stdout]   |                                                                    ^^^^^^^ value of type `Vec<&str>` cannot be built from `std::iter::Iterator<Item=FastStr>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromIterator<FastStr>` is not implemented for `Vec<&str>`
[INFO] [stdout]   = help: the trait `FromIterator<&str>` is implemented for `Vec<&str>`
[INFO] [stdout]   = help: for that trait implementation, expected `&str`, found `FastStr`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]  --> src/backend/mod.rs:353:53
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").matches("abc").collect();
[INFO] [stdout]   |                    -------------------------------- ^^^^^^^^^^^^^^ `Iterator::Item` is `FastStr` here
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    this expression has type `FastStr`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/iter/traits/iterator.rs:2001:5
[INFO] [stdout] help: consider removing this method call, as the receiver has type `FastStr` and `FastStr: FromIterator<FastStr>` trivially holds
[INFO] [stdout]   |
[INFO] [stdout] 6 - let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").matches("abc").collect();
[INFO] [stdout] 6 + let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").collect();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::rmatches (line 405) stdout ----
[INFO] [stdout] error[E0277]: a value of type `Vec<&str>` cannot be built from an iterator over elements of type `FastStr`
[INFO] [stdout]  --> src/backend/mod.rs:408:69
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").rmatches("abc").collect();
[INFO] [stdout]   |                                                                     ^^^^^^^ value of type `Vec<&str>` cannot be built from `std::iter::Iterator<Item=FastStr>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromIterator<FastStr>` is not implemented for `Vec<&str>`
[INFO] [stdout]   = help: the trait `FromIterator<&str>` is implemented for `Vec<&str>`
[INFO] [stdout]   = help: for that trait implementation, expected `&str`, found `FastStr`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]  --> src/backend/mod.rs:408:53
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").rmatches("abc").collect();
[INFO] [stdout]   |                    -------------------------------- ^^^^^^^^^^^^^^^ `Iterator::Item` is `FastStr` here
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    this expression has type `FastStr`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/iter/traits/iterator.rs:2001:5
[INFO] [stdout] help: consider removing this method call, as the receiver has type `FastStr` and `FastStr: FromIterator<FastStr>` trivially holds
[INFO] [stdout]   |
[INFO] [stdout] 6 - let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").rmatches("abc").collect();
[INFO] [stdout] 6 + let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").collect();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::strip_prefix (line 736) stdout ----
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]  --> src/backend/mod.rs:739:64
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr("bar")));
[INFO] [stdout]   |                                                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]  --> /opt/rustwide/workdir/src/backend/normal.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FastStr(NormalString);
[INFO] [stdout]   |                    ^^^^^^^^^^^^ private field
[INFO] [stdout] help: you might have meant to use an associated function to build this type
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::new()));
[INFO] [stdout]   |                                                                       ~~~~~~~
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::from_static(_)));
[INFO] [stdout]   |                                                                       ~~~~~~~~~~~~~~~~
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::from_string(_)));
[INFO] [stdout]   |                                                                       ~~~~~~~~~~~~~~~~
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::from_ref(_)));
[INFO] [stdout]   |                                                                       ~~~~~~~~~~~~~
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(<FastStr as std::default::Default>::default()));
[INFO] [stdout]   |                                                                +        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]  --> src/backend/mod.rs:741:62
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr("foo")));
[INFO] [stdout]   |                                                              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]  --> /opt/rustwide/workdir/src/backend/normal.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FastStr(NormalString);
[INFO] [stdout]   |                    ^^^^^^^^^^^^ private field
[INFO] [stdout] help: you might have meant to use an associated function to build this type
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::new()));
[INFO] [stdout]   |                                                                     ~~~~~~~
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::from_static(_)));
[INFO] [stdout]   |                                                                     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::from_string(_)));
[INFO] [stdout]   |                                                                     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::from_ref(_)));
[INFO] [stdout]   |                                                                     ~~~~~~~~~~~~~
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(<FastStr as std::default::Default>::default()));
[INFO] [stdout]   |                                                              +        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::as_bytes (line 204)
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::matches (line 350)
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::rmatches (line 405)
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::strip_prefix (line 736)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 29 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3347a4e7a67d86f0bae1d68e4996d30417ad31e4f70e93c094072131922c7ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3347a4e7a67d86f0bae1d68e4996d30417ad31e4f70e93c094072131922c7ffe", kill_on_drop: false }`
[INFO] [stdout] 3347a4e7a67d86f0bae1d68e4996d30417ad31e4f70e93c094072131922c7ffe
[INFO] testing fast-str-1.0.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate fast-str 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate fast-str 1.0.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-str 1.0.0
[INFO] finished tweaking crates.io crate fast-str 1.0.0
[INFO] tweaked toml for crates.io crate fast-str 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 207 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding cookie v0.16.2 (latest: v0.18.1)
[INFO] [stderr]       Adding criterion v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed54225c0f097b3b1939e99c2f46a47d527b6b2c5d7b9d83fbd7b1eeb458518c
[INFO] running `Command { std: "docker" "start" "-a" "ed54225c0f097b3b1939e99c2f46a47d527b6b2c5d7b9d83fbd7b1eeb458518c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed54225c0f097b3b1939e99c2f46a47d527b6b2c5d7b9d83fbd7b1eeb458518c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed54225c0f097b3b1939e99c2f46a47d527b6b2c5d7b9d83fbd7b1eeb458518c", kill_on_drop: false }`
[INFO] [stdout] ed54225c0f097b3b1939e99c2f46a47d527b6b2c5d7b9d83fbd7b1eeb458518c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b85a56e8868625412db7d52ff90487b7f0abcd0d5593e9528a59163f27a7531c
[INFO] running `Command { std: "docker" "start" "-a" "b85a56e8868625412db7d52ff90487b7f0abcd0d5593e9528a59163f27a7531c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-str v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stdout]    --> src/pattern/mod.rs:340:11
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "b85a56e8868625412db7d52ff90487b7f0abcd0d5593e9528a59163f27a7531c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85a56e8868625412db7d52ff90487b7f0abcd0d5593e9528a59163f27a7531c", kill_on_drop: false }`
[INFO] [stdout] b85a56e8868625412db7d52ff90487b7f0abcd0d5593e9528a59163f27a7531c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 193928f2ecd0b1ea99cd77397bc960eb3ad4412e306b0e229e0c8536689e8289
[INFO] running `Command { std: "docker" "start" "-a" "193928f2ecd0b1ea99cd77397bc960eb3ad4412e306b0e229e0c8536689e8289", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stdout] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stdout]    --> src/pattern/mod.rs:340:11
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proptest v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling fast-str v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stdout]    --> src/pattern/mod.rs:340:11
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.90s
[INFO] running `Command { std: "docker" "inspect" "193928f2ecd0b1ea99cd77397bc960eb3ad4412e306b0e229e0c8536689e8289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193928f2ecd0b1ea99cd77397bc960eb3ad4412e306b0e229e0c8536689e8289", kill_on_drop: false }`
[INFO] [stdout] 193928f2ecd0b1ea99cd77397bc960eb3ad4412e306b0e229e0c8536689e8289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e67d99f0dd7538fbfd20c808299632e6ae21b28944743786ab45adc64b43fc0e
[INFO] running `Command { std: "docker" "start" "-a" "e67d99f0dd7538fbfd20c808299632e6ae21b28944743786ab45adc64b43fc0e", kill_on_drop: false }`
[INFO] [stderr] warning: trait `DoubleEndedSearcher` is never used
[INFO] [stderr]    --> src/pattern/mod.rs:340:11
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-str` (lib) generated 1 warning
[INFO] [stderr] warning: `fast-str` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_str-2d70c309adcb73c2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_str
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::as_bytes (line 204) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::matches (line 350) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::rmatches (line 405) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replace (line 460) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::repeat (line 50) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::slice (line 218) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replacen (line 511) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replace (line 470) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::match_indices (line 380) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::replacen (line 501) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::strip_prefix (line 736) ... FAILED
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::rmatch_indices (line 432) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_lowercase (line 173) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_uppercase (line 132) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_lowercase (line 187) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_lowercase (line 164) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::strip_suffix (line 755) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_ascii_uppercase (line 73) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_ascii_lowercase (line 97) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_uppercase (line 123) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::to_uppercase (line 140) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::trim (line 260) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::trim_end (line 323) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::&'b[char] (line 847) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::&'b[char;N] (line 807) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern (line 18) ... ok
[INFO] [stdout] test src/backend/mod.rs - backend::FastStr::trim_start (line 292) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::&'bstr (line 927) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::char (line 531) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::Pattern (line 70) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::[char;N] (line 787) ... ok
[INFO] [stdout] test src/pattern/mod.rs - pattern::F (line 896) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::as_bytes (line 204) stdout ----
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]  --> src/backend/mod.rs:207:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | let bytes = FastStr::from("bors").as_bytes();
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^           - temporary value is freed at the end of this statement
[INFO] [stdout]   |             |
[INFO] [stdout]   |             creates a temporary value which is freed while still in use
[INFO] [stdout] 7 | assert_eq!(b"bors", bytes);
[INFO] [stdout]   | -------------------------- borrow later used here
[INFO] [stdout]   |
[INFO] [stdout] help: consider using a `let` binding to create a longer lived value
[INFO] [stdout]   |
[INFO] [stdout] 6 + let binding = FastStr::from("bors");
[INFO] [stdout] 7 ~ let bytes = binding.as_bytes();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::matches (line 350) stdout ----
[INFO] [stdout] error[E0277]: a value of type `Vec<&str>` cannot be built from an iterator over elements of type `FastStr`
[INFO] [stdout]  --> src/backend/mod.rs:353:68
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").matches("abc").collect();
[INFO] [stdout]   |                                                                    ^^^^^^^ value of type `Vec<&str>` cannot be built from `std::iter::Iterator<Item=FastStr>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromIterator<FastStr>` is not implemented for `Vec<&str>`
[INFO] [stdout]   = help: the trait `FromIterator<&str>` is implemented for `Vec<&str>`
[INFO] [stdout]   = help: for that trait implementation, expected `&str`, found `FastStr`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]  --> src/backend/mod.rs:353:53
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").matches("abc").collect();
[INFO] [stdout]   |                    -------------------------------- ^^^^^^^^^^^^^^ `Iterator::Item` is `FastStr` here
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    this expression has type `FastStr`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/iter/traits/iterator.rs:2001:5
[INFO] [stdout] help: consider removing this method call, as the receiver has type `FastStr` and `FastStr: FromIterator<FastStr>` trivially holds
[INFO] [stdout]   |
[INFO] [stdout] 6 - let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").matches("abc").collect();
[INFO] [stdout] 6 + let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").collect();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::rmatches (line 405) stdout ----
[INFO] [stdout] error[E0277]: a value of type `Vec<&str>` cannot be built from an iterator over elements of type `FastStr`
[INFO] [stdout]  --> src/backend/mod.rs:408:69
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").rmatches("abc").collect();
[INFO] [stdout]   |                                                                     ^^^^^^^ value of type `Vec<&str>` cannot be built from `std::iter::Iterator<Item=FastStr>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromIterator<FastStr>` is not implemented for `Vec<&str>`
[INFO] [stdout]   = help: the trait `FromIterator<&str>` is implemented for `Vec<&str>`
[INFO] [stdout]   = help: for that trait implementation, expected `&str`, found `FastStr`
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]  --> src/backend/mod.rs:408:53
[INFO] [stdout]   |
[INFO] [stdout] 6 | let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").rmatches("abc").collect();
[INFO] [stdout]   |                    -------------------------------- ^^^^^^^^^^^^^^^ `Iterator::Item` is `FastStr` here
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    this expression has type `FastStr`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/iter/traits/iterator.rs:2001:5
[INFO] [stdout] help: consider removing this method call, as the receiver has type `FastStr` and `FastStr: FromIterator<FastStr>` trivially holds
[INFO] [stdout]   |
[INFO] [stdout] 6 - let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").rmatches("abc").collect();
[INFO] [stdout] 6 + let v: Vec<&str> = FastStr::from("abcXXXabcYYYabc").collect();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/backend/mod.rs - backend::FastStr::strip_prefix (line 736) stdout ----
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]  --> src/backend/mod.rs:739:64
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr("bar")));
[INFO] [stdout]   |                                                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]  --> /opt/rustwide/workdir/src/backend/normal.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FastStr(NormalString);
[INFO] [stdout]   |                    ^^^^^^^^^^^^ private field
[INFO] [stdout] help: you might have meant to use an associated function to build this type
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::new()));
[INFO] [stdout]   |                                                                       ~~~~~~~
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::from_static(_)));
[INFO] [stdout]   |                                                                       ~~~~~~~~~~~~~~~~
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::from_string(_)));
[INFO] [stdout]   |                                                                       ~~~~~~~~~~~~~~~~
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(FastStr::from_ref(_)));
[INFO] [stdout]   |                                                                       ~~~~~~~~~~~~~
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(FastStr::from("foo:bar").strip_prefix("foo:"), Some(<FastStr as std::default::Default>::default()));
[INFO] [stdout]   |                                                                +        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]  --> src/backend/mod.rs:741:62
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr("foo")));
[INFO] [stdout]   |                                                              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]  --> /opt/rustwide/workdir/src/backend/normal.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FastStr(NormalString);
[INFO] [stdout]   |                    ^^^^^^^^^^^^ private field
[INFO] [stdout] help: you might have meant to use an associated function to build this type
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::new()));
[INFO] [stdout]   |                                                                     ~~~~~~~
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::from_static(_)));
[INFO] [stdout]   |                                                                     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::from_string(_)));
[INFO] [stdout]   |                                                                     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(FastStr::from_ref(_)));
[INFO] [stdout]   |                                                                     ~~~~~~~~~~~~~
[INFO] [stdout] help: consider using the `Default` trait
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(FastStr::from("foofoo").strip_prefix("foo"), Some(<FastStr as std::default::Default>::default()));
[INFO] [stdout]   |                                                              +        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::as_bytes (line 204)
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::matches (line 350)
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::rmatches (line 405)
[INFO] [stdout]     src/backend/mod.rs - backend::FastStr::strip_prefix (line 736)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 29 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.84s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e67d99f0dd7538fbfd20c808299632e6ae21b28944743786ab45adc64b43fc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67d99f0dd7538fbfd20c808299632e6ae21b28944743786ab45adc64b43fc0e", kill_on_drop: false }`
[INFO] [stdout] e67d99f0dd7538fbfd20c808299632e6ae21b28944743786ab45adc64b43fc0e
