[INFO] fetching crate index-ext 1.0.0...
[INFO] testing index-ext-1.0.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate index-ext 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate index-ext 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate index-ext 1.0.0
[INFO] tweaked toml for crates.io crate index-ext 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate index-ext 1.0.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate index-ext 1.0.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30616a6d514b5bb1481c188cd9e26b80dc2aa971881422926529869ba506a798
[INFO] running `Command { std: "docker" "start" "-a" "30616a6d514b5bb1481c188cd9e26b80dc2aa971881422926529869ba506a798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30616a6d514b5bb1481c188cd9e26b80dc2aa971881422926529869ba506a798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30616a6d514b5bb1481c188cd9e26b80dc2aa971881422926529869ba506a798", kill_on_drop: false }`
[INFO] [stdout] 30616a6d514b5bb1481c188cd9e26b80dc2aa971881422926529869ba506a798
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d7d8194aafd41a6fe880b0998357ac1e9aa3cfd1b5b446b12cce26edb63ab6
[INFO] running `Command { std: "docker" "start" "-a" "07d7d8194aafd41a6fe880b0998357ac1e9aa3cfd1b5b446b12cce26edb63ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling generativity v1.0.0
[INFO] [stderr]    Compiling index-ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stdout]    --> src/int.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[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]     = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "07d7d8194aafd41a6fe880b0998357ac1e9aa3cfd1b5b446b12cce26edb63ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d7d8194aafd41a6fe880b0998357ac1e9aa3cfd1b5b446b12cce26edb63ab6", kill_on_drop: false }`
[INFO] [stdout] 07d7d8194aafd41a6fe880b0998357ac1e9aa3cfd1b5b446b12cce26edb63ab6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24e5ff4de69fdca507e098bcb41873369d4f74471c2389b22aa476e72f429ac
[INFO] running `Command { std: "docker" "start" "-a" "d24e5ff4de69fdca507e098bcb41873369d4f74471c2389b22aa476e72f429ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stdout] warning: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stdout]    --> src/int.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[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]     = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling index-ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stdout]    --> src/int.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[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]     = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "d24e5ff4de69fdca507e098bcb41873369d4f74471c2389b22aa476e72f429ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24e5ff4de69fdca507e098bcb41873369d4f74471c2389b22aa476e72f429ac", kill_on_drop: false }`
[INFO] [stdout] d24e5ff4de69fdca507e098bcb41873369d4f74471c2389b22aa476e72f429ac
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7deff9e3e6ad83d56d418973b31f05793f2aebf492eaff1138406123b42044b
[INFO] running `Command { std: "docker" "start" "-a" "c7deff9e3e6ad83d56d418973b31f05793f2aebf492eaff1138406123b42044b", kill_on_drop: false }`
[INFO] [stderr] warning: `#[cold]` attribute cannot be used on required trait methods
[INFO] [stderr]    --> src/int.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         #[cold]
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[cold]` can be applied to closures, foreign functions, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `index-ext` (lib) generated 1 warning (run `cargo fix --lib -p index-ext` to apply 1 suggestion)
[INFO] [stderr] warning: `index-ext` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/index_ext-7a147a6ce5794028)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test mem::mem_128_operations ... ok
[INFO] [stdout] test test::index_with_all ... ok
[INFO] [stdout] test tag::tests::bad_inequalities ... ok
[INFO] [stdout] test tag::tests::basics ... ok
[INFO] [stdout] test test::str_indices ... ok
[INFO] [stdout] test test::unchecked ... ok
[INFO] [stdout] test tag::tests::tag_switching ... ok
[INFO] [stdout] test test::panics_with_length_u128 - should panic ... ok
[INFO] [stdout] test test::panics_with_length_i8 - should panic ... ok
[INFO] [stdout] test test::panics_with_length_u32 - should panic ... ok
[INFO] [stdout] test test::panics_with_length_u8 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests index_ext
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/int.rs - int::SliceIntExt::get_int (line 36) ... ok
[INFO] [stdout] test src/int.rs - int::SliceIntExt::get_int_unchecked (line 86) ... ok
[INFO] [stdout] test src/int.rs - int::sealed (line 154) ... ok
[INFO] [stdout] test src/int.rs - int::Intex (line 440) ... ok
[INFO] [stdout] test src/array.rs - array::ArrayPrefix (line 34) ... ok
[INFO] [stdout] test src/array.rs - array::ArrayPrefix (line 26) ... ok
[INFO] [stdout] test src/int.rs - int::SliceIntExt::get_int_mut (line 58) ... ok
[INFO] [stdout] test src/int.rs - int::SliceIntExt::get_int_unchecked_mut (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/mem.rs - mem (line 19) ... ok
[INFO] [stdout] test src/lib.rs - readme (line 111) ... ok
[INFO] [stdout] test src/tag.rs - tag (line 80) ... ok
[INFO] [stdout] test src/tag.rs - tag::Generative<'lt>::with_mut (line 666) ... ok
[INFO] [stdout] test src/mem.rs - mem (line 42) ... ok
[INFO] [stdout] test src/lib.rs - readme (line 128) ... ok
[INFO] [stdout] test src/tag.rs - tag::Generative<'lt>::with_ref (line 629) ... ok
[INFO] [stdout] test src/tag.rs - tag::_doctests (line 1504) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - readme (line 143) ... ok
[INFO] [stdout] test src/tag.rs - tag::_doctests (line 1531) - compile fail ... ok
[INFO] [stdout] test src/tag.rs - tag::Const (line 294) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7deff9e3e6ad83d56d418973b31f05793f2aebf492eaff1138406123b42044b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7deff9e3e6ad83d56d418973b31f05793f2aebf492eaff1138406123b42044b", kill_on_drop: false }`
[INFO] [stdout] c7deff9e3e6ad83d56d418973b31f05793f2aebf492eaff1138406123b42044b