[INFO] fetching crate flex 0.2.0...
[INFO] testing flex-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate flex 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate flex 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate flex 0.2.0
[INFO] tweaked toml for crates.io crate flex 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flex 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flex 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66e689df4a94a73e8e925dc9ac1a5fbd5a2e20373fb0bff9797576d3f8c0e93a
[INFO] running `Command { std: "docker" "start" "-a" "66e689df4a94a73e8e925dc9ac1a5fbd5a2e20373fb0bff9797576d3f8c0e93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66e689df4a94a73e8e925dc9ac1a5fbd5a2e20373fb0bff9797576d3f8c0e93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e689df4a94a73e8e925dc9ac1a5fbd5a2e20373fb0bff9797576d3f8c0e93a", kill_on_drop: false }`
[INFO] [stdout] 66e689df4a94a73e8e925dc9ac1a5fbd5a2e20373fb0bff9797576d3f8c0e93a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18baad4625cbe93f9830705216eea386b852a302a72ca3ed2a64f8ef44715258
[INFO] running `Command { std: "docker" "start" "-a" "18baad4625cbe93f9830705216eea386b852a302a72ca3ed2a64f8ef44715258", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "18baad4625cbe93f9830705216eea386b852a302a72ca3ed2a64f8ef44715258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18baad4625cbe93f9830705216eea386b852a302a72ca3ed2a64f8ef44715258", kill_on_drop: false }`
[INFO] [stdout] 18baad4625cbe93f9830705216eea386b852a302a72ca3ed2a64f8ef44715258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27cbcc7485d03455292a6108dd9807129ab20c94cc9a8eaf069c72ab955721bc
[INFO] running `Command { std: "docker" "start" "-a" "27cbcc7485d03455292a6108dd9807129ab20c94cc9a8eaf069c72ab955721bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "27cbcc7485d03455292a6108dd9807129ab20c94cc9a8eaf069c72ab955721bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cbcc7485d03455292a6108dd9807129ab20c94cc9a8eaf069c72ab955721bc", kill_on_drop: false }`
[INFO] [stdout] 27cbcc7485d03455292a6108dd9807129ab20c94cc9a8eaf069c72ab955721bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 243210c4f5877614b7933c6a1a37502c9df24309f06818715b59118da37b87ab
[INFO] running `Command { std: "docker" "start" "-a" "243210c4f5877614b7933c6a1a37502c9df24309f06818715b59118da37b87ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flex-8919d1e0d10ebec6)
[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]      Running tests/convert.rs (/opt/rustwide/target/debug/deps/convert-a21867102adbb121)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test as_ref::lend_slice ... ok
[INFO] [stdout] test borrow::lend_slice ... ok
[INFO] [stdout] test from::from_mut_ref ... ok
[INFO] [stdout] test borrow::lend_str ... ok
[INFO] [stdout] test from::from_ref ... ok
[INFO] [stdout] test as_ref::in_generic_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-0caf3e6f4c3babb9)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test clone::lend_clone ... ok
[INFO] [stdout] test debug::lend_debug ... ok
[INFO] [stdout] test equality::eq_with_slice_ref ... ok
[INFO] [stdout] test equality::eq_with_value_ref ... ok
[INFO] [stdout] test deref::lend_deref ... ok
[INFO] [stdout] test equality::eq_with_value ... ok
[INFO] [stdout] test equality::lend_eq_lend ... ok
[INFO] [stdout] test equality::lend_ne_lend ... ok
[INFO] [stdout] test ordering::cmp_with_double_ref ... ok
[INFO] [stdout] test ordering::cmp_with_slice_ref ... ok
[INFO] [stdout] test ordering::lend_cmp_lend ... ok
[INFO] [stdout] test ordering::cmp_with_value_ref ... ok
[INFO] [stdout] test ordering::lend_cmp_using_cmp_method ... ok
[INFO] [stdout] test ordering::cmp_with_value ... ok
[INFO] [stdout] test ordering::str_ordering ... ok
[INFO] [stdout] test hash::lend_hash_equal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fmt.rs (/opt/rustwide/target/debug/deps/fmt-be604a8171054e52)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test exponential_formatting::lower_exp ... ok
[INFO] [stdout] test display::str ... ok
[INFO] [stdout] test integer_formatting::binary ... ok
[INFO] [stdout] test display::number ... ok
[INFO] [stdout] test integer_formatting::octal ... ok
[INFO] [stdout] test integer_formatting::lower_hex ... ok
[INFO] [stdout] test integer_formatting::upper_hex ... ok
[INFO] [stdout] test exponential_formatting::upper_exp ... ok
[INFO] [stdout] test pointer::pointer_format ... ok
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-20a683a2a1b950d3)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test construction::lend_from_str ... ok
[INFO] [stdout] test construction::lend_from_slice ... ok
[INFO] [stdout] test default::default_slice ... ok
[INFO] [stdout] test default::default_str ... ok
[INFO] [stdout] test index::slice_element ... ok
[INFO] [stdout] test index::str_range ... ok
[INFO] [stdout] test into_iterator::lend_collect ... ok
[INFO] [stdout] test into_iterator::lend_for_loop ... ok
[INFO] [stdout] test index::slice_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/other.rs (/opt/rustwide/target/debug/deps/other-1a7624d667b269c7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test usage_patterns::api_accepting_flex ... ok
[INFO] [stdout] test trait_objects::with_string ... ok
[INFO] [stdout] test trait_objects::lend_debug ... ok
[INFO] [stdout] test usage_patterns::in_hashmap ... ok
[INFO] [stdout] test custom_traits::lend_custom_trait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flex
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - Flex (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Flex (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "243210c4f5877614b7933c6a1a37502c9df24309f06818715b59118da37b87ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243210c4f5877614b7933c6a1a37502c9df24309f06818715b59118da37b87ab", kill_on_drop: false }`
[INFO] [stdout] 243210c4f5877614b7933c6a1a37502c9df24309f06818715b59118da37b87ab