[INFO] fetching crate prefix-map 0.3.1...
[INFO] checking prefix-map-0.3.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate prefix-map 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate prefix-map 0.3.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prefix-map 0.3.1
[INFO] finished tweaking crates.io crate prefix-map 0.3.1
[INFO] tweaked toml for crates.io crate prefix-map 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f25fb12e50790a2342f70297dc0fb4503bfa2cbd5fdf49b69ab6ad598f8e9cbb
[INFO] running `"docker" "start" "-a" "f25fb12e50790a2342f70297dc0fb4503bfa2cbd5fdf49b69ab6ad598f8e9cbb"`
[INFO] [stderr]     Checking prefix-map v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand`
[INFO] [stderr]    --> src/lib.rs:712:9
[INFO] [stderr]     |
[INFO] [stderr] 712 |     use rand::{thread_rng, Rng};
[INFO] [stderr]     |         ^^^^ help: a similar path exists: `self::rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<T as std::borrow::ToOwned>::Owned == <[T] as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]    --> src/prefix.rs:102:22
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl<T: Clone + Ord> ToPrefix for [T] {
[INFO] [stderr]     |                      ^^^^^^^^ expected type parameter, found associated type
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `T`
[INFO] [stderr]                found type `<[T] as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     = note: you might be missing a type parameter or trait bound
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<[T] as prefix::ToPrefix>::OwnedItem: std::borrow::Borrow<T>` is not satisfied
[INFO] [stderr]    --> src/prefix.rs:102:22
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl<T: Clone + Ord> ToPrefix for [T] {
[INFO] [stderr]     |                      ^^^^^^^^ the trait `std::borrow::Borrow<T>` is not implemented for `<[T] as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <&T as std::borrow::Borrow<T>>
[INFO] [stderr]               <&mut T as std::borrow::Borrow<T>>
[INFO] [stderr]               <T as std::borrow::Borrow<T>>
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<T as std::borrow::ToOwned>::Owned == <[T] as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]    --> src/prefix.rs:102:22
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl<T: Clone + Ord> ToPrefix for [T] {
[INFO] [stderr]     |                      ^^^^^^^^ expected type parameter, found associated type
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `T`
[INFO] [stderr]                found type `<[T] as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     = note: you might be missing a type parameter or trait bound
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<[T] as prefix::ToPrefix>::OwnedItem: std::borrow::Borrow<T>` is not satisfied
[INFO] [stderr]    --> src/prefix.rs:102:22
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl<T: Clone + Ord> ToPrefix for [T] {
[INFO] [stderr]     |                      ^^^^^^^^ the trait `std::borrow::Borrow<T>` is not implemented for `<[T] as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <&T as std::borrow::Borrow<T>>
[INFO] [stderr]               <&mut T as std::borrow::Borrow<T>>
[INFO] [stderr]               <T as std::borrow::Borrow<T>>
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::ffi::OsStr as std::borrow::ToOwned>::Owned == <std::path::Path as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]    --> src/prefix.rs:131:6
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl ToPrefix for Path {
[INFO] [stderr]     |      ^^^^^^^^ expected struct `std::ffi::OsString`, found associated type
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::ffi::OsString`
[INFO] [stderr]                found type `<std::path::Path as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     = note: consider constraining the associated type `<std::path::Path as prefix::ToPrefix>::OwnedItem` to `std::ffi::OsString`
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<std::path::Path as prefix::ToPrefix>::OwnedItem: std::borrow::Borrow<std::ffi::OsStr>` is not satisfied
[INFO] [stderr]    --> src/prefix.rs:131:6
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl ToPrefix for Path {
[INFO] [stderr]     |      ^^^^^^^^ the trait `std::borrow::Borrow<std::ffi::OsStr>` is not implemented for `<std::path::Path as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <&T as std::borrow::Borrow<T>>
[INFO] [stderr]               <&mut T as std::borrow::Borrow<T>>
[INFO] [stderr]               <T as std::borrow::Borrow<T>>
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::ffi::OsStr as std::borrow::ToOwned>::Owned == <std::path::Path as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]    --> src/prefix.rs:131:6
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl ToPrefix for Path {
[INFO] [stderr]     |      ^^^^^^^^ expected struct `std::ffi::OsString`, found associated type
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::ffi::OsString`
[INFO] [stderr]                found type `<std::path::Path as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     = note: consider constraining the associated type `<std::path::Path as prefix::ToPrefix>::OwnedItem` to `std::ffi::OsString`
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<std::path::Path as prefix::ToPrefix>::OwnedItem: std::borrow::Borrow<std::ffi::OsStr>` is not satisfied
[INFO] [stderr]    --> src/prefix.rs:131:6
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl ToPrefix for Path {
[INFO] [stderr]     |      ^^^^^^^^ the trait `std::borrow::Borrow<std::ffi::OsStr>` is not implemented for `<std::path::Path as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <&T as std::borrow::Borrow<T>>
[INFO] [stderr]               <&mut T as std::borrow::Borrow<T>>
[INFO] [stderr]               <T as std::borrow::Borrow<T>>
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<str as std::borrow::ToOwned>::Owned == <str as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]    --> src/prefix.rs:164:6
[INFO] [stderr]     |
[INFO] [stderr] 164 | impl ToPrefix for str {
[INFO] [stderr]     |      ^^^^^^^^ expected struct `std::string::String`, found associated type
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::string::String`
[INFO] [stderr]                found type `<str as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     = note: consider constraining the associated type `<str as prefix::ToPrefix>::OwnedItem` to `std::string::String`
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<str as prefix::ToPrefix>::OwnedItem: std::borrow::Borrow<str>` is not satisfied
[INFO] [stderr]    --> src/prefix.rs:164:6
[INFO] [stderr]     |
[INFO] [stderr] 164 | impl ToPrefix for str {
[INFO] [stderr]     |      ^^^^^^^^ the trait `std::borrow::Borrow<str>` is not implemented for `<str as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <&T as std::borrow::Borrow<T>>
[INFO] [stderr]               <&mut T as std::borrow::Borrow<T>>
[INFO] [stderr]               <T as std::borrow::Borrow<T>>
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<str as std::borrow::ToOwned>::Owned == <str as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]    --> src/prefix.rs:164:6
[INFO] [stderr]     |
[INFO] [stderr] 164 | impl ToPrefix for str {
[INFO] [stderr]     |      ^^^^^^^^ expected struct `std::string::String`, found associated type
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::string::String`
[INFO] [stderr]                found type `<str as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     = note: consider constraining the associated type `<str as prefix::ToPrefix>::OwnedItem` to `std::string::String`
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<str as prefix::ToPrefix>::OwnedItem: std::borrow::Borrow<str>` is not satisfied
[INFO] [stderr]    --> src/prefix.rs:164:6
[INFO] [stderr]     |
[INFO] [stderr] 164 | impl ToPrefix for str {
[INFO] [stderr]     |      ^^^^^^^^ the trait `std::borrow::Borrow<str>` is not implemented for `<str as prefix::ToPrefix>::OwnedItem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <&T as std::borrow::Borrow<T>>
[INFO] [stderr]               <&mut T as std::borrow::Borrow<T>>
[INFO] [stderr]               <T as std::borrow::Borrow<T>>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0271, E0277, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0271`.
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0271, E0277.
[INFO] [stderr] For more information about an error, try `rustc --explain E0271`.
[INFO] [stderr] error: could not compile `prefix-map`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `prefix-map`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f25fb12e50790a2342f70297dc0fb4503bfa2cbd5fdf49b69ab6ad598f8e9cbb"`
[INFO] running `"docker" "rm" "-f" "f25fb12e50790a2342f70297dc0fb4503bfa2cbd5fdf49b69ab6ad598f8e9cbb"`
[INFO] [stdout] f25fb12e50790a2342f70297dc0fb4503bfa2cbd5fdf49b69ab6ad598f8e9cbb