[INFO] fetching crate soundchange 0.0.8...
[INFO] testing soundchange-0.0.8 against 1.54.0 for beta-1.55-1
[INFO] extracting crate soundchange 0.0.8 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate soundchange 0.0.8 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate soundchange 0.0.8
[INFO] finished tweaking crates.io crate soundchange 0.0.8
[INFO] tweaked toml for crates.io crate soundchange 0.0.8 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faac01284e1d7b4bf449c7e79832f9bc6d71e27b4cda25f29078337b9165fa44
[INFO] running `Command { std: "docker" "start" "-a" "faac01284e1d7b4bf449c7e79832f9bc6d71e27b4cda25f29078337b9165fa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faac01284e1d7b4bf449c7e79832f9bc6d71e27b4cda25f29078337b9165fa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faac01284e1d7b4bf449c7e79832f9bc6d71e27b4cda25f29078337b9165fa44", kill_on_drop: false }`
[INFO] [stdout] faac01284e1d7b4bf449c7e79832f9bc6d71e27b4cda25f29078337b9165fa44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fe2c11dea8d31f536ac3b7f54ad35a26e27b4ebbba8a630d1bf71ee6bb4fa58
[INFO] running `Command { std: "docker" "start" "-a" "0fe2c11dea8d31f536ac3b7f54ad35a26e27b4ebbba8a630d1bf71ee6bb4fa58", kill_on_drop: false }`
[INFO] [stderr]    Compiling soundchange v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> src/lib.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 | use std::borrow::{Cow, IntoCow};
[INFO] [stdout]    |                        ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::str::CharRange`
[INFO] [stdout]   --> src/lib.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | use std::str::CharRange;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no `CharRange` in `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | #![feature(unboxed_closures, core, collections)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:67:48
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[derive(Copy)] pub struct CharOf<'a>(pub &'a (Fn(Option<char>) -> bool + 'a));
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<char>) -> bool + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:47
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[derive(Copy)] pub struct StrOf<'a>(pub &'a (Fn(&str) -> Option<&str> + 'a));
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Option<&str> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:69:48
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[derive(Copy)] pub struct CharTo<'a>(pub &'a (Fn(char) -> char + 'a));
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> char + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Copy)] pub struct StrTo<'a>(pub &'a (Fn(&str, &mut String) + 'a));
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str, &mut String) + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> src/lib.rs:175:82
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn search_loop<F>(&mut self, s: &str, preconds: &[Cond], postconds: &[Cond], mut f: F)
[INFO] [stdout]     |                                                                                  ^^^^^ help: remove `mut` from the parameter: `f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharOf<'a>: Clone` is not satisfied
[INFO] [stdout]    --> src/lib.rs:67:10
[INFO] [stdout]     |
[INFO] [stdout] 67  | #[derive(Copy)] pub struct CharOf<'a>(pub &'a (Fn(Option<char>) -> bool + 'a));
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `CharOf<'a>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StrOf<'a>: Clone` is not satisfied
[INFO] [stdout]    --> src/lib.rs:68:10
[INFO] [stdout]     |
[INFO] [stdout] 68  | #[derive(Copy)] pub struct StrOf<'a>(pub &'a (Fn(&str) -> Option<&str> + 'a));
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `StrOf<'a>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharTo<'a>: Clone` is not satisfied
[INFO] [stdout]    --> src/lib.rs:69:10
[INFO] [stdout]     |
[INFO] [stdout] 69  | #[derive(Copy)] pub struct CharTo<'a>(pub &'a (Fn(char) -> char + 'a));
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `CharTo<'a>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StrTo<'a>: Clone` is not satisfied
[INFO] [stdout]    --> src/lib.rs:70:10
[INFO] [stdout]     |
[INFO] [stdout] 70  | #[derive(Copy)] pub struct StrTo<'a>(pub &'a (Fn(&str, &mut String) + 'a));
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `StrTo<'a>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Cond<'a>: Clone` is not satisfied
[INFO] [stdout]    --> src/lib.rs:72:10
[INFO] [stdout]     |
[INFO] [stdout] 72  | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `Cond<'a>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Transform<'a>: Clone` is not satisfied
[INFO] [stdout]    --> src/lib.rs:261:10
[INFO] [stdout]     |
[INFO] [stdout] 261 | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `Transform<'a>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `soundchange`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0fe2c11dea8d31f536ac3b7f54ad35a26e27b4ebbba8a630d1bf71ee6bb4fa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe2c11dea8d31f536ac3b7f54ad35a26e27b4ebbba8a630d1bf71ee6bb4fa58", kill_on_drop: false }`
[INFO] [stdout] 0fe2c11dea8d31f536ac3b7f54ad35a26e27b4ebbba8a630d1bf71ee6bb4fa58
