[INFO] fetching crate string_manipulation_utf8 0.3.0...
[INFO] testing string_manipulation_utf8-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate string_manipulation_utf8 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate string_manipulation_utf8 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate string_manipulation_utf8 0.3.0
[INFO] tweaked toml for crates.io crate string_manipulation_utf8 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_manipulation_utf8 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate string_manipulation_utf8 0.3.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 307f135e5422a12346b10ca2435554c99845e0bf24800c02870a6cd8d62d1677
[INFO] running `Command { std: "docker" "start" "-a" "307f135e5422a12346b10ca2435554c99845e0bf24800c02870a6cd8d62d1677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "307f135e5422a12346b10ca2435554c99845e0bf24800c02870a6cd8d62d1677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307f135e5422a12346b10ca2435554c99845e0bf24800c02870a6cd8d62d1677", kill_on_drop: false }`
[INFO] [stdout] 307f135e5422a12346b10ca2435554c99845e0bf24800c02870a6cd8d62d1677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1be77f447169d83993c8f43b9b25a31f6dafc33a5f0807af3a96af80331c734
[INFO] running `Command { std: "docker" "start" "-a" "a1be77f447169d83993c8f43b9b25a31f6dafc33a5f0807af3a96af80331c734", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_manipulation_utf8 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a1be77f447169d83993c8f43b9b25a31f6dafc33a5f0807af3a96af80331c734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1be77f447169d83993c8f43b9b25a31f6dafc33a5f0807af3a96af80331c734", kill_on_drop: false }`
[INFO] [stdout] a1be77f447169d83993c8f43b9b25a31f6dafc33a5f0807af3a96af80331c734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b8b8f402dfb3f47e751d5515b9f7dc3589f84735c883d736cf36b84ad39568f
[INFO] running `Command { std: "docker" "start" "-a" "7b8b8f402dfb3f47e751d5515b9f7dc3589f84735c883d736cf36b84ad39568f", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_manipulation_utf8 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7b8b8f402dfb3f47e751d5515b9f7dc3589f84735c883d736cf36b84ad39568f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8b8f402dfb3f47e751d5515b9f7dc3589f84735c883d736cf36b84ad39568f", kill_on_drop: false }`
[INFO] [stdout] 7b8b8f402dfb3f47e751d5515b9f7dc3589f84735c883d736cf36b84ad39568f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7a8f57d8fec9a5cbda8d62b80a6982becd1be72515c07f7146f295ad4f8204f
[INFO] running `Command { std: "docker" "start" "-a" "e7a8f57d8fec9a5cbda8d62b80a6982becd1be72515c07f7146f295ad4f8204f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_manipulation_utf8-a824a326f4dc8c3c)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-970cdba00a483ddb)
[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] [stdout] 
[INFO] [stderr]    Doc-tests string_manipulation_utf8
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_indexof ... ok
[INFO] [stdout] test test_str_concat ... ok
[INFO] [stdout] test test_substr ... ok
[INFO] [stdout] test test_substring ... ok
[INFO] [stdout] test test_substru ... ok
[INFO] [stdout] test test_str_remove ... ok
[INFO] [stdout] test test_substr_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "e7a8f57d8fec9a5cbda8d62b80a6982becd1be72515c07f7146f295ad4f8204f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a8f57d8fec9a5cbda8d62b80a6982becd1be72515c07f7146f295ad4f8204f", kill_on_drop: false }`
[INFO] [stdout] e7a8f57d8fec9a5cbda8d62b80a6982becd1be72515c07f7146f295ad4f8204f