[INFO] fetching crate rcsubstring 0.2.0...
[INFO] testing rcsubstring-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rcsubstring 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rcsubstring 0.2.0
[INFO] finished tweaking crates.io crate rcsubstring 0.2.0
[INFO] tweaked toml for crates.io crate rcsubstring 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcsubstring 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 rcsubstring 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] 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] 91cba62d76cd649b02977fc271d62375f195d144bf479c3cd39a218f0f766115
[INFO] running `Command { std: "docker" "start" "-a" "91cba62d76cd649b02977fc271d62375f195d144bf479c3cd39a218f0f766115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91cba62d76cd649b02977fc271d62375f195d144bf479c3cd39a218f0f766115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cba62d76cd649b02977fc271d62375f195d144bf479c3cd39a218f0f766115", kill_on_drop: false }`
[INFO] [stdout] 91cba62d76cd649b02977fc271d62375f195d144bf479c3cd39a218f0f766115
[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] 420a0104ee22ef8fe5aeea5e30a3b1f7a4510e9a6d01fdd627eb674f38dd5177
[INFO] running `Command { std: "docker" "start" "-a" "420a0104ee22ef8fe5aeea5e30a3b1f7a4510e9a6d01fdd627eb674f38dd5177", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcsubstring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "420a0104ee22ef8fe5aeea5e30a3b1f7a4510e9a6d01fdd627eb674f38dd5177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420a0104ee22ef8fe5aeea5e30a3b1f7a4510e9a6d01fdd627eb674f38dd5177", kill_on_drop: false }`
[INFO] [stdout] 420a0104ee22ef8fe5aeea5e30a3b1f7a4510e9a6d01fdd627eb674f38dd5177
[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] 6dabbbf72f44fd478e3d3c6991db456286149e4d9bba61124daa45942b52c322
[INFO] running `Command { std: "docker" "start" "-a" "6dabbbf72f44fd478e3d3c6991db456286149e4d9bba61124daa45942b52c322", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcsubstring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6dabbbf72f44fd478e3d3c6991db456286149e4d9bba61124daa45942b52c322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dabbbf72f44fd478e3d3c6991db456286149e4d9bba61124daa45942b52c322", kill_on_drop: false }`
[INFO] [stdout] 6dabbbf72f44fd478e3d3c6991db456286149e4d9bba61124daa45942b52c322
[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] 4680549ff6b6048baf0a3b1652e039da65e8d15de6c9960a3031f255f5e9d298
[INFO] running `Command { std: "docker" "start" "-a" "4680549ff6b6048baf0a3b1652e039da65e8d15de6c9960a3031f255f5e9d298", 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/rcsubstring-4c58f4455c270511)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_as_ref ... ok
[INFO] [stdout] test tests::test_basic_usage ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_end_out_of_range - should panic ... ok
[INFO] [stdout] test tests::test_end_before_start - should panic ... ok
[INFO] [stdout] test tests::test_start_out_of_range - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcsubstring
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.62s; merged doctests compilation took 0.60s
[INFO] running `Command { std: "docker" "inspect" "4680549ff6b6048baf0a3b1652e039da65e8d15de6c9960a3031f255f5e9d298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4680549ff6b6048baf0a3b1652e039da65e8d15de6c9960a3031f255f5e9d298", kill_on_drop: false }`
[INFO] [stdout] 4680549ff6b6048baf0a3b1652e039da65e8d15de6c9960a3031f255f5e9d298