[INFO] fetching crate rstring-builder 0.1.4...
[INFO] testing rstring-builder-0.1.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rstring-builder 0.1.4 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate rstring-builder 0.1.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rstring-builder 0.1.4
[INFO] finished tweaking crates.io crate rstring-builder 0.1.4
[INFO] tweaked toml for crates.io crate rstring-builder 0.1.4 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 284d0ca4e0f9b7b6164fe907d674f66153fdd58671deb26f9c62e20b8bf09372
[INFO] running `Command { std: "docker" "start" "-a" "284d0ca4e0f9b7b6164fe907d674f66153fdd58671deb26f9c62e20b8bf09372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "284d0ca4e0f9b7b6164fe907d674f66153fdd58671deb26f9c62e20b8bf09372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284d0ca4e0f9b7b6164fe907d674f66153fdd58671deb26f9c62e20b8bf09372", kill_on_drop: false }`
[INFO] [stdout] 284d0ca4e0f9b7b6164fe907d674f66153fdd58671deb26f9c62e20b8bf09372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36902bc5c67b3fff327d33ab7520748ff34208c30503d4b17d2851a768518141
[INFO] running `Command { std: "docker" "start" "-a" "36902bc5c67b3fff327d33ab7520748ff34208c30503d4b17d2851a768518141", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstring-builder v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "36902bc5c67b3fff327d33ab7520748ff34208c30503d4b17d2851a768518141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36902bc5c67b3fff327d33ab7520748ff34208c30503d4b17d2851a768518141", kill_on_drop: false }`
[INFO] [stdout] 36902bc5c67b3fff327d33ab7520748ff34208c30503d4b17d2851a768518141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81289e62ec9b0d41ce41fe7dba61d53a5ea6a4527f6896991fbd8a3238bb728d
[INFO] running `Command { std: "docker" "start" "-a" "81289e62ec9b0d41ce41fe7dba61d53a5ea6a4527f6896991fbd8a3238bb728d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstring-builder v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rstring_builder-8b1a5138548f3771)
[INFO] [stderr]   Executable tests/test_string_builder.rs (/opt/rustwide/target/debug/deps/test_string_builder-d10094cf85fd0359)
[INFO] running `Command { std: "docker" "inspect" "81289e62ec9b0d41ce41fe7dba61d53a5ea6a4527f6896991fbd8a3238bb728d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81289e62ec9b0d41ce41fe7dba61d53a5ea6a4527f6896991fbd8a3238bb728d", kill_on_drop: false }`
[INFO] [stdout] 81289e62ec9b0d41ce41fe7dba61d53a5ea6a4527f6896991fbd8a3238bb728d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb3a03897125105ab9998dd29dbea0aec825f0ece9597f12b53426ca2e618f97
[INFO] running `Command { std: "docker" "start" "-a" "cb3a03897125105ab9998dd29dbea0aec825f0ece9597f12b53426ca2e618f97", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rstring_builder-8b1a5138548f3771)
[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/test_string_builder.rs (/opt/rustwide/target/debug/deps/test_string_builder-d10094cf85fd0359)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_bool ... ok
[INFO] [stdout] test test_num ... ok
[INFO] [stdout] test test_string_builder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rstring-builder
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - StringBuilder::append (line 30) ... ok
[INFO] [stdout] test src/lib.rs - StringBuilder::clear (line 105) ... ok
[INFO] [stdout] test src/lib.rs - StringBuilder::len (line 44) ... ok
[INFO] [stdout] test src/lib.rs - StringBuilder::delete (line 77) ... ok
[INFO] [stdout] test src/lib.rs - StringBuilder::is_empty (line 134) ... ok
[INFO] [stdout] test src/lib.rs - StringBuilder::delete_at (line 61) ... ok
[INFO] [stdout] test src/lib.rs - StringBuilder::string (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb3a03897125105ab9998dd29dbea0aec825f0ece9597f12b53426ca2e618f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3a03897125105ab9998dd29dbea0aec825f0ece9597f12b53426ca2e618f97", kill_on_drop: false }`
[INFO] [stdout] cb3a03897125105ab9998dd29dbea0aec825f0ece9597f12b53426ca2e618f97