[INFO] fetching crate rcsubstring 0.2.0...
[INFO] testing rcsubstring-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rcsubstring 0.2.0 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcsubstring 0.2.0 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 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 128ce083f58c84b35a7b062b44cb118c8a8a6768f881651796f30e6fd21c2629
[INFO] running `Command { std: "docker" "start" "-a" "128ce083f58c84b35a7b062b44cb118c8a8a6768f881651796f30e6fd21c2629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "128ce083f58c84b35a7b062b44cb118c8a8a6768f881651796f30e6fd21c2629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128ce083f58c84b35a7b062b44cb118c8a8a6768f881651796f30e6fd21c2629", kill_on_drop: false }`
[INFO] [stdout] 128ce083f58c84b35a7b062b44cb118c8a8a6768f881651796f30e6fd21c2629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ce5c1fd328c2d2d9903dd9c02dfd669cc5c41b3ec1373ac65e719820171efdaf
[INFO] running `Command { std: "docker" "start" "-a" "ce5c1fd328c2d2d9903dd9c02dfd669cc5c41b3ec1373ac65e719820171efdaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcsubstring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ce5c1fd328c2d2d9903dd9c02dfd669cc5c41b3ec1373ac65e719820171efdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5c1fd328c2d2d9903dd9c02dfd669cc5c41b3ec1373ac65e719820171efdaf", kill_on_drop: false }`
[INFO] [stdout] ce5c1fd328c2d2d9903dd9c02dfd669cc5c41b3ec1373ac65e719820171efdaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e464033bc087571e65039049574dcfe8dfbaeb61bcaa9586eaaeabaaa865aed7
[INFO] running `Command { std: "docker" "start" "-a" "e464033bc087571e65039049574dcfe8dfbaeb61bcaa9586eaaeabaaa865aed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcsubstring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e464033bc087571e65039049574dcfe8dfbaeb61bcaa9586eaaeabaaa865aed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e464033bc087571e65039049574dcfe8dfbaeb61bcaa9586eaaeabaaa865aed7", kill_on_drop: false }`
[INFO] [stdout] e464033bc087571e65039049574dcfe8dfbaeb61bcaa9586eaaeabaaa865aed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cebb1361957b3d77592617637ebbc705cadda9a0b64896a5f54c8f70b9a14503
[INFO] running `Command { std: "docker" "start" "-a" "cebb1361957b3d77592617637ebbc705cadda9a0b64896a5f54c8f70b9a14503", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcsubstring-4c58f4455c270511)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_as_ref ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stderr]    Doc-tests rcsubstring
[INFO] [stdout] test tests::test_basic_usage ... 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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.57s; merged doctests compilation took 0.50s
[INFO] running `Command { std: "docker" "inspect" "cebb1361957b3d77592617637ebbc705cadda9a0b64896a5f54c8f70b9a14503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebb1361957b3d77592617637ebbc705cadda9a0b64896a5f54c8f70b9a14503", kill_on_drop: false }`
[INFO] [stdout] cebb1361957b3d77592617637ebbc705cadda9a0b64896a5f54c8f70b9a14503