[INFO] fetching crate stringplus 0.1.0...
[INFO] testing stringplus-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate stringplus 0.1.0 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate stringplus 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stringplus 0.1.0
[INFO] finished tweaking crates.io crate stringplus 0.1.0
[INFO] tweaked toml for crates.io crate stringplus 0.1.0 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5e4d0eba63f9bd8088f945f597e856399dc23e778b4f061f9a18e5d8e57d240
[INFO] running `Command { std: "docker" "start" "-a" "c5e4d0eba63f9bd8088f945f597e856399dc23e778b4f061f9a18e5d8e57d240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5e4d0eba63f9bd8088f945f597e856399dc23e778b4f061f9a18e5d8e57d240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e4d0eba63f9bd8088f945f597e856399dc23e778b4f061f9a18e5d8e57d240", kill_on_drop: false }`
[INFO] [stdout] c5e4d0eba63f9bd8088f945f597e856399dc23e778b4f061f9a18e5d8e57d240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8854d5c8bdd2c768c9c95f8ce74e3bf95589707562e7aff838e26c076719cea7
[INFO] running `Command { std: "docker" "start" "-a" "8854d5c8bdd2c768c9c95f8ce74e3bf95589707562e7aff838e26c076719cea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringplus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8854d5c8bdd2c768c9c95f8ce74e3bf95589707562e7aff838e26c076719cea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8854d5c8bdd2c768c9c95f8ce74e3bf95589707562e7aff838e26c076719cea7", kill_on_drop: false }`
[INFO] [stdout] 8854d5c8bdd2c768c9c95f8ce74e3bf95589707562e7aff838e26c076719cea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf8bfdd640bf404e10338d4807a1cd2c8a89bb6fa972aee1f347cdc701d95fa
[INFO] running `Command { std: "docker" "start" "-a" "dbf8bfdd640bf404e10338d4807a1cd2c8a89bb6fa972aee1f347cdc701d95fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringplus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "dbf8bfdd640bf404e10338d4807a1cd2c8a89bb6fa972aee1f347cdc701d95fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf8bfdd640bf404e10338d4807a1cd2c8a89bb6fa972aee1f347cdc701d95fa", kill_on_drop: false }`
[INFO] [stdout] dbf8bfdd640bf404e10338d4807a1cd2c8a89bb6fa972aee1f347cdc701d95fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6823ff8f04235a341f1454f2defc591c65bd7f1d219d9ad5fd3f51c1f4fa6612
[INFO] running `Command { std: "docker" "start" "-a" "6823ff8f04235a341f1454f2defc591c65bd7f1d219d9ad5fd3f51c1f4fa6612", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stringplus-1d9c9c306c0c6092)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::at ... ok
[INFO] [stdout] test tests::substring ... 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] [stderr]    Doc-tests stringplus
[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" "6823ff8f04235a341f1454f2defc591c65bd7f1d219d9ad5fd3f51c1f4fa6612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6823ff8f04235a341f1454f2defc591c65bd7f1d219d9ad5fd3f51c1f4fa6612", kill_on_drop: false }`
[INFO] [stdout] 6823ff8f04235a341f1454f2defc591c65bd7f1d219d9ad5fd3f51c1f4fa6612