[INFO] fetching crate substring-replace 0.2.2...
[INFO] testing substring-replace-0.2.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate substring-replace 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate substring-replace 0.2.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate substring-replace 0.2.2
[INFO] tweaked toml for crates.io crate substring-replace 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate substring-replace 0.2.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c32f5301e1d7c36822e7fc605eef3c48faa62a6d8749a2d120d4d0427a99415d
[INFO] running `Command { std: "docker" "start" "-a" "c32f5301e1d7c36822e7fc605eef3c48faa62a6d8749a2d120d4d0427a99415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32f5301e1d7c36822e7fc605eef3c48faa62a6d8749a2d120d4d0427a99415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32f5301e1d7c36822e7fc605eef3c48faa62a6d8749a2d120d4d0427a99415d", kill_on_drop: false }`
[INFO] [stdout] c32f5301e1d7c36822e7fc605eef3c48faa62a6d8749a2d120d4d0427a99415d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65ff595c1c871d512ec91289b602fe67c2c08c2bf329bd4cfbe5c7ff0a818e6
[INFO] running `Command { std: "docker" "start" "-a" "d65ff595c1c871d512ec91289b602fe67c2c08c2bf329bd4cfbe5c7ff0a818e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling to-offset v0.1.0
[INFO] [stderr]    Compiling substring-replace v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "d65ff595c1c871d512ec91289b602fe67c2c08c2bf329bd4cfbe5c7ff0a818e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65ff595c1c871d512ec91289b602fe67c2c08c2bf329bd4cfbe5c7ff0a818e6", kill_on_drop: false }`
[INFO] [stdout] d65ff595c1c871d512ec91289b602fe67c2c08c2bf329bd4cfbe5c7ff0a818e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 370c5c82a30093bf06b6d2ce9471915ca8134df33f464f014f72f9fc857963f0
[INFO] running `Command { std: "docker" "start" "-a" "370c5c82a30093bf06b6d2ce9471915ca8134df33f464f014f72f9fc857963f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling substring-replace v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "370c5c82a30093bf06b6d2ce9471915ca8134df33f464f014f72f9fc857963f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370c5c82a30093bf06b6d2ce9471915ca8134df33f464f014f72f9fc857963f0", kill_on_drop: false }`
[INFO] [stdout] 370c5c82a30093bf06b6d2ce9471915ca8134df33f464f014f72f9fc857963f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 437aa96753abe832b3d362ca49e9ef4972ecf751befa023924aa288451b65c8a
[INFO] running `Command { std: "docker" "start" "-a" "437aa96753abe832b3d362ca49e9ef4972ecf751befa023924aa288451b65c8a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/substring_replace-38c7efa40e99490f)
[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/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-507b40394c05c911)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_character_find_index ... ok
[INFO] [stdout] test test_extract_substring ... ok
[INFO] [stdout] test test_extract_substring_offset ... ok
[INFO] [stdout] test test_extract_substring_overflow ... ok
[INFO] [stdout] test test_inject_substring ... ok
[INFO] [stdout] test test_negative_offset ... ok
[INFO] [stdout] test test_replace_substring ... ok
[INFO] [stdout] test test_replace_substring_multibyte ... ok
[INFO] [stdout] test test_substring_insert_adjacent ... ok
[INFO] [stdout] test test_substring_remove ... ok
[INFO] [stdout] test test_substring_replace_start_end ... ok
[INFO] [stdout] test test_substring_start_end ... ok
[INFO] [stdout] test test_character_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests substring_replace
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "437aa96753abe832b3d362ca49e9ef4972ecf751befa023924aa288451b65c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437aa96753abe832b3d362ca49e9ef4972ecf751befa023924aa288451b65c8a", kill_on_drop: false }`
[INFO] [stdout] 437aa96753abe832b3d362ca49e9ef4972ecf751befa023924aa288451b65c8a