[INFO] fetching crate index-ext 0.0.2...
[INFO] testing index-ext-0.0.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate index-ext 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate index-ext 0.0.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate index-ext 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate index-ext 0.0.2
[INFO] tweaked toml for crates.io crate index-ext 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate index-ext 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d901cc6dd78dbf8c6a13ee8d6567890657b5152728e383f24d6706d83f5e78b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d901cc6dd78dbf8c6a13ee8d6567890657b5152728e383f24d6706d83f5e78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d901cc6dd78dbf8c6a13ee8d6567890657b5152728e383f24d6706d83f5e78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d901cc6dd78dbf8c6a13ee8d6567890657b5152728e383f24d6706d83f5e78b", kill_on_drop: false }`
[INFO] [stdout] 8d901cc6dd78dbf8c6a13ee8d6567890657b5152728e383f24d6706d83f5e78b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 851c660d67fdfad00edc4c4963329f71b72b59cb801b8bb764fa4173d7b3b232
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "851c660d67fdfad00edc4c4963329f71b72b59cb801b8bb764fa4173d7b3b232", kill_on_drop: false }`
[INFO] [stderr]    Compiling index-ext v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/tag.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         core::mem::ManuallyDrop::new(t);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "851c660d67fdfad00edc4c4963329f71b72b59cb801b8bb764fa4173d7b3b232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851c660d67fdfad00edc4c4963329f71b72b59cb801b8bb764fa4173d7b3b232", kill_on_drop: false }`
[INFO] [stdout] 851c660d67fdfad00edc4c4963329f71b72b59cb801b8bb764fa4173d7b3b232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d776131b87343eb0710679fb1382f539a55282a6209d975f4b8ee65c2cbfb7ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d776131b87343eb0710679fb1382f539a55282a6209d975f4b8ee65c2cbfb7ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling index-ext v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/tag.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         core::mem::ManuallyDrop::new(t);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:378:10
[INFO] [stdout]     |
[INFO] [stdout] 378 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/tag.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         core::mem::ManuallyDrop::new(t);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "d776131b87343eb0710679fb1382f539a55282a6209d975f4b8ee65c2cbfb7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d776131b87343eb0710679fb1382f539a55282a6209d975f4b8ee65c2cbfb7ce", kill_on_drop: false }`
[INFO] [stdout] d776131b87343eb0710679fb1382f539a55282a6209d975f4b8ee65c2cbfb7ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce0b6a4d64c1a0ec9742060e556ce69bf774bec6b105d019ede8f6a3dca4b32c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce0b6a4d64c1a0ec9742060e556ce69bf774bec6b105d019ede8f6a3dca4b32c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout] running 8 tests
[INFO] [stderr]    --> src/tag.rs:474:9
[INFO] [stdout] test tag::tests::basics ... ok
[INFO] [stderr]     |
[INFO] [stderr] 474 |         core::mem::ManuallyDrop::new(t);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:378:10
[INFO] [stderr]     |
[INFO] [stderr] 378 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stderr]    --> src/tag.rs:474:9
[INFO] [stderr]     |
[INFO] [stderr] 474 |         core::mem::ManuallyDrop::new(t);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/index_ext-972c27f063a99b36)
[INFO] [stdout] test test::index_with_all ... ok
[INFO] [stdout] test test::unchecked ... ok
[INFO] [stdout] test test::str_indices ... ok
[INFO] [stderr]    Doc-tests index-ext
[INFO] [stdout] test test::panics_with_length_i8 ... ok
[INFO] [stdout] test test::panics_with_length_u32 ... ok
[INFO] [stdout] test test::panics_with_length_u8 ... ok
[INFO] [stdout] test test::panics_with_length_u128 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ignored
[INFO] [stdout] test src/tag.rs - tag (line 845) ... ok
[INFO] [stdout] test src/tag.rs - tag (line 872) ... ok
[INFO] [stdout] test src/tag.rs - tag (line 27) ... ok
[INFO] [stdout] test src/int.rs - int::Int (line 233) ... ok
[INFO] [stdout] test src/int.rs - int::sealed (line 35) ... ok
[INFO] [stdout] test src/lib.rs - Int::get_int_unchecked (line 159) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Int::get_int_mut (line 131) ... ok
[INFO] [stdout] test src/lib.rs - Int::get_int (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Int::get_int_unchecked_mut (line 183) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce0b6a4d64c1a0ec9742060e556ce69bf774bec6b105d019ede8f6a3dca4b32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0b6a4d64c1a0ec9742060e556ce69bf774bec6b105d019ede8f6a3dca4b32c", kill_on_drop: false }`
[INFO] [stdout] ce0b6a4d64c1a0ec9742060e556ce69bf774bec6b105d019ede8f6a3dca4b32c