[INFO] fetching crate test_crate_cargo 0.1.0...
[INFO] testing test_crate_cargo-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate test_crate_cargo 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate test_crate_cargo 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test_crate_cargo 0.1.0
[INFO] finished tweaking crates.io crate test_crate_cargo 0.1.0
[INFO] tweaked toml for crates.io crate test_crate_cargo 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c26c720ea8cb6f38e8ba4152e4ebdc06fc1268d934e9b8d183154fe26ca2d8ef
[INFO] running `Command { std: "docker" "start" "-a" "c26c720ea8cb6f38e8ba4152e4ebdc06fc1268d934e9b8d183154fe26ca2d8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c26c720ea8cb6f38e8ba4152e4ebdc06fc1268d934e9b8d183154fe26ca2d8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26c720ea8cb6f38e8ba4152e4ebdc06fc1268d934e9b8d183154fe26ca2d8ef", kill_on_drop: false }`
[INFO] [stdout] c26c720ea8cb6f38e8ba4152e4ebdc06fc1268d934e9b8d183154fe26ca2d8ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b9f8f66c247a10face405dc48cb475f7c95df24539f98e1ef0daefe46e0abd
[INFO] running `Command { std: "docker" "start" "-a" "32b9f8f66c247a10face405dc48cb475f7c95df24539f98e1ef0daefe46e0abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_crate_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "32b9f8f66c247a10face405dc48cb475f7c95df24539f98e1ef0daefe46e0abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b9f8f66c247a10face405dc48cb475f7c95df24539f98e1ef0daefe46e0abd", kill_on_drop: false }`
[INFO] [stdout] 32b9f8f66c247a10face405dc48cb475f7c95df24539f98e1ef0daefe46e0abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1493e7777796e8df14eef1e632edf9209249c4332a59b30b05a77fe60a51c86
[INFO] running `Command { std: "docker" "start" "-a" "d1493e7777796e8df14eef1e632edf9209249c4332a59b30b05a77fe60a51c86", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_crate_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "d1493e7777796e8df14eef1e632edf9209249c4332a59b30b05a77fe60a51c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1493e7777796e8df14eef1e632edf9209249c4332a59b30b05a77fe60a51c86", kill_on_drop: false }`
[INFO] [stdout] d1493e7777796e8df14eef1e632edf9209249c4332a59b30b05a77fe60a51c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e1c900385ae261eeafbc8a4a8afd099774a0034e61a57a7150b05da935f4a97
[INFO] running `Command { std: "docker" "start" "-a" "6e1c900385ae261eeafbc8a4a8afd099774a0034e61a57a7150b05da935f4a97", 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/test_crate_cargo-be668b2d3e3db4e0)
[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]    Doc-tests test_crate_cargo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `adder`
[INFO] [stdout]  --> src/lib.rs:10:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let answer = adder::add_one(arg);
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `adder`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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 - add_one (line 8)
[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" "6e1c900385ae261eeafbc8a4a8afd099774a0034e61a57a7150b05da935f4a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1c900385ae261eeafbc8a4a8afd099774a0034e61a57a7150b05da935f4a97", kill_on_drop: false }`
[INFO] [stdout] 6e1c900385ae261eeafbc8a4a8afd099774a0034e61a57a7150b05da935f4a97
[INFO] testing test_crate_cargo-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate test_crate_cargo 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate test_crate_cargo 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test_crate_cargo 0.1.0
[INFO] finished tweaking crates.io crate test_crate_cargo 0.1.0
[INFO] tweaked toml for crates.io crate test_crate_cargo 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 962a7c38e73f7976dc4c95e4b1ce68bbd951a41d89427ef2b63f87928467a837
[INFO] running `Command { std: "docker" "start" "-a" "962a7c38e73f7976dc4c95e4b1ce68bbd951a41d89427ef2b63f87928467a837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "962a7c38e73f7976dc4c95e4b1ce68bbd951a41d89427ef2b63f87928467a837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962a7c38e73f7976dc4c95e4b1ce68bbd951a41d89427ef2b63f87928467a837", kill_on_drop: false }`
[INFO] [stdout] 962a7c38e73f7976dc4c95e4b1ce68bbd951a41d89427ef2b63f87928467a837
[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=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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84bf6b9f62fceab1acda16639610e819f4f27e920c1cce53f70465d23a01bcaf
[INFO] running `Command { std: "docker" "start" "-a" "84bf6b9f62fceab1acda16639610e819f4f27e920c1cce53f70465d23a01bcaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_crate_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "84bf6b9f62fceab1acda16639610e819f4f27e920c1cce53f70465d23a01bcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84bf6b9f62fceab1acda16639610e819f4f27e920c1cce53f70465d23a01bcaf", kill_on_drop: false }`
[INFO] [stdout] 84bf6b9f62fceab1acda16639610e819f4f27e920c1cce53f70465d23a01bcaf
[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=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-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15218434fd072a86202272a3fb166361ee2293e39c312ba1557aab78590bfdb5
[INFO] running `Command { std: "docker" "start" "-a" "15218434fd072a86202272a3fb166361ee2293e39c312ba1557aab78590bfdb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_crate_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "15218434fd072a86202272a3fb166361ee2293e39c312ba1557aab78590bfdb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15218434fd072a86202272a3fb166361ee2293e39c312ba1557aab78590bfdb5", kill_on_drop: false }`
[INFO] [stdout] 15218434fd072a86202272a3fb166361ee2293e39c312ba1557aab78590bfdb5
[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=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-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc4ccfcf5e0bf29cdda7d246a849f7e534a6febe08a1f9f1cc7fa466308313a7
[INFO] running `Command { std: "docker" "start" "-a" "bc4ccfcf5e0bf29cdda7d246a849f7e534a6febe08a1f9f1cc7fa466308313a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/test_crate_cargo-2c37c348b371b876)
[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]    Doc-tests test_crate_cargo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `adder`
[INFO] [stdout]  --> src/lib.rs:10:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let answer = adder::add_one(arg);
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `adder`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 - add_one (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bc4ccfcf5e0bf29cdda7d246a849f7e534a6febe08a1f9f1cc7fa466308313a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4ccfcf5e0bf29cdda7d246a849f7e534a6febe08a1f9f1cc7fa466308313a7", kill_on_drop: false }`
[INFO] [stdout] bc4ccfcf5e0bf29cdda7d246a849f7e534a6febe08a1f9f1cc7fa466308313a7
