[INFO] fetching crate simple-string-builder 0.2.0...
[INFO] testing simple-string-builder-0.2.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate simple-string-builder 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate simple-string-builder 0.2.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-string-builder 0.2.0
[INFO] finished tweaking crates.io crate simple-string-builder 0.2.0
[INFO] tweaked toml for crates.io crate simple-string-builder 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcc3af84477a48b1b1664ffeaa73222c80f6176bf0a9c7716ea894e31b6d3fe6
[INFO] running `Command { std: "docker" "start" "-a" "fcc3af84477a48b1b1664ffeaa73222c80f6176bf0a9c7716ea894e31b6d3fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcc3af84477a48b1b1664ffeaa73222c80f6176bf0a9c7716ea894e31b6d3fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc3af84477a48b1b1664ffeaa73222c80f6176bf0a9c7716ea894e31b6d3fe6", kill_on_drop: false }`
[INFO] [stdout] fcc3af84477a48b1b1664ffeaa73222c80f6176bf0a9c7716ea894e31b6d3fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85379ebc4d222499d5ca9dea41846c1ed863bce7887117a4cfc9f385203bce6f
[INFO] running `Command { std: "docker" "start" "-a" "85379ebc4d222499d5ca9dea41846c1ed863bce7887117a4cfc9f385203bce6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-string-builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "85379ebc4d222499d5ca9dea41846c1ed863bce7887117a4cfc9f385203bce6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85379ebc4d222499d5ca9dea41846c1ed863bce7887117a4cfc9f385203bce6f", kill_on_drop: false }`
[INFO] [stdout] 85379ebc4d222499d5ca9dea41846c1ed863bce7887117a4cfc9f385203bce6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e0a74a2f2aa9a75b6d77f7178f940feb382295fb6db1637bee2891f49493b04
[INFO] running `Command { std: "docker" "start" "-a" "6e0a74a2f2aa9a75b6d77f7178f940feb382295fb6db1637bee2891f49493b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-string-builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "6e0a74a2f2aa9a75b6d77f7178f940feb382295fb6db1637bee2891f49493b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0a74a2f2aa9a75b6d77f7178f940feb382295fb6db1637bee2891f49493b04", kill_on_drop: false }`
[INFO] [stdout] 6e0a74a2f2aa9a75b6d77f7178f940feb382295fb6db1637bee2891f49493b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ece7411cce9c0918ca7899e0c189d50c8406514ad016fd4f69cc5c5817f82014
[INFO] running `Command { std: "docker" "start" "-a" "ece7411cce9c0918ca7899e0c189d50c8406514ad016fd4f69cc5c5817f82014", 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/simple_string_builder-dd88b91ef0585117)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-string-builder
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Builder (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Builder (line 9) stdout ----
[INFO] [stdout] error: expected pattern, found `:`
[INFO] [stdout]  --> src/lib.rs:15:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | let: Result<String, Utf8Error> = b.try_to_string();
[INFO] [stdout]   |    ^ expected pattern
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Builder`
[INFO] [stdout]  --> src/lib.rs:11:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut b = Builder::new();
[INFO] [stdout]   |             ^^^^^^^ use of undeclared type `Builder`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simple_string_builder::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Builder (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ece7411cce9c0918ca7899e0c189d50c8406514ad016fd4f69cc5c5817f82014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece7411cce9c0918ca7899e0c189d50c8406514ad016fd4f69cc5c5817f82014", kill_on_drop: false }`
[INFO] [stdout] ece7411cce9c0918ca7899e0c189d50c8406514ad016fd4f69cc5c5817f82014
[INFO] testing simple-string-builder-0.2.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate simple-string-builder 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate simple-string-builder 0.2.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-string-builder 0.2.0
[INFO] finished tweaking crates.io crate simple-string-builder 0.2.0
[INFO] tweaked toml for crates.io crate simple-string-builder 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ce02447a1a697dffeacc4b03c06ff30b6a18ea08c14b5eff10d56472fd8a327
[INFO] running `Command { std: "docker" "start" "-a" "5ce02447a1a697dffeacc4b03c06ff30b6a18ea08c14b5eff10d56472fd8a327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce02447a1a697dffeacc4b03c06ff30b6a18ea08c14b5eff10d56472fd8a327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce02447a1a697dffeacc4b03c06ff30b6a18ea08c14b5eff10d56472fd8a327", kill_on_drop: false }`
[INFO] [stdout] 5ce02447a1a697dffeacc4b03c06ff30b6a18ea08c14b5eff10d56472fd8a327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80abfd2bb8654f508a22adabe1ee421b77b5bfffd97a63aa273587a15831d6c
[INFO] running `Command { std: "docker" "start" "-a" "f80abfd2bb8654f508a22adabe1ee421b77b5bfffd97a63aa273587a15831d6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-string-builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "f80abfd2bb8654f508a22adabe1ee421b77b5bfffd97a63aa273587a15831d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80abfd2bb8654f508a22adabe1ee421b77b5bfffd97a63aa273587a15831d6c", kill_on_drop: false }`
[INFO] [stdout] f80abfd2bb8654f508a22adabe1ee421b77b5bfffd97a63aa273587a15831d6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f868999c91add0100c4768a8a9f367d6b5c8b58062afc364d99b8a3a45f27b5d
[INFO] running `Command { std: "docker" "start" "-a" "f868999c91add0100c4768a8a9f367d6b5c8b58062afc364d99b8a3a45f27b5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-string-builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "f868999c91add0100c4768a8a9f367d6b5c8b58062afc364d99b8a3a45f27b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f868999c91add0100c4768a8a9f367d6b5c8b58062afc364d99b8a3a45f27b5d", kill_on_drop: false }`
[INFO] [stdout] f868999c91add0100c4768a8a9f367d6b5c8b58062afc364d99b8a3a45f27b5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dcca01117975235ccb4e47d00c74763da7898a13dc8ed43e7124f36b66816ec
[INFO] running `Command { std: "docker" "start" "-a" "3dcca01117975235ccb4e47d00c74763da7898a13dc8ed43e7124f36b66816ec", 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/simple_string_builder-09e68bc54ee2cb46)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-string-builder
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Builder (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Builder (line 9) stdout ----
[INFO] [stdout] error: expected pattern, found `:`
[INFO] [stdout]  --> src/lib.rs:15:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | let: Result<String, Utf8Error> = b.try_to_string();
[INFO] [stdout]   |    ^ expected pattern
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Builder`
[INFO] [stdout]  --> src/lib.rs:11:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut b = Builder::new();
[INFO] [stdout]   |             ^^^^^^^ use of undeclared type `Builder`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simple_string_builder::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Builder (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3dcca01117975235ccb4e47d00c74763da7898a13dc8ed43e7124f36b66816ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcca01117975235ccb4e47d00c74763da7898a13dc8ed43e7124f36b66816ec", kill_on_drop: false }`
[INFO] [stdout] 3dcca01117975235ccb4e47d00c74763da7898a13dc8ed43e7124f36b66816ec
