[INFO] fetching crate bruce_adder2 0.1.1...
[INFO] testing bruce_adder2-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate bruce_adder2 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bruce_adder2 0.1.1 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 bruce_adder2 0.1.1
[INFO] finished tweaking crates.io crate bruce_adder2 0.1.1
[INFO] tweaked toml for crates.io crate bruce_adder2 0.1.1 written to /workspace/builds/worker-2-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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 477be8b1084402bb8262749faedb036acba47e3b90f1e50d531dee2540d47936
[INFO] running `Command { std: "docker" "start" "-a" "477be8b1084402bb8262749faedb036acba47e3b90f1e50d531dee2540d47936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "477be8b1084402bb8262749faedb036acba47e3b90f1e50d531dee2540d47936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477be8b1084402bb8262749faedb036acba47e3b90f1e50d531dee2540d47936", kill_on_drop: false }`
[INFO] [stdout] 477be8b1084402bb8262749faedb036acba47e3b90f1e50d531dee2540d47936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7be231e58dd881b0fd5ac4bb286f8714e36b92fe838914e929f6c1aca6af9489
[INFO] running `Command { std: "docker" "start" "-a" "7be231e58dd881b0fd5ac4bb286f8714e36b92fe838914e929f6c1aca6af9489", kill_on_drop: false }`
[INFO] [stderr]    Compiling bruce_adder2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "7be231e58dd881b0fd5ac4bb286f8714e36b92fe838914e929f6c1aca6af9489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be231e58dd881b0fd5ac4bb286f8714e36b92fe838914e929f6c1aca6af9489", kill_on_drop: false }`
[INFO] [stdout] 7be231e58dd881b0fd5ac4bb286f8714e36b92fe838914e929f6c1aca6af9489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 58a3d42fb262ae992fa9fa27a8891b48416d72ac42826e6175ae519482e46ae4
[INFO] running `Command { std: "docker" "start" "-a" "58a3d42fb262ae992fa9fa27a8891b48416d72ac42826e6175ae519482e46ae4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bruce_adder2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "58a3d42fb262ae992fa9fa27a8891b48416d72ac42826e6175ae519482e46ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a3d42fb262ae992fa9fa27a8891b48416d72ac42826e6175ae519482e46ae4", kill_on_drop: false }`
[INFO] [stdout] 58a3d42fb262ae992fa9fa27a8891b48416d72ac42826e6175ae519482e46ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 665cffc93380bb94b23be1d3e5a9af555d51f0892470bca09b4a6002c9d4b22b
[INFO] running `Command { std: "docker" "start" "-a" "665cffc93380bb94b23be1d3e5a9af555d51f0892470bca09b4a6002c9d4b22b", 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/bruce_adder2-42af2f02ef2f5f28)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bruce_adder2
[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] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 11) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `adder2`
[INFO] [stdout]  --> src/lib.rs:13:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let answer = adder2::add_one(arg);
[INFO] [stdout]   |              ^^^^^^ use of undeclared crate or module `adder2`
[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 11)
[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" "665cffc93380bb94b23be1d3e5a9af555d51f0892470bca09b4a6002c9d4b22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665cffc93380bb94b23be1d3e5a9af555d51f0892470bca09b4a6002c9d4b22b", kill_on_drop: false }`
[INFO] [stdout] 665cffc93380bb94b23be1d3e5a9af555d51f0892470bca09b4a6002c9d4b22b
[INFO] testing bruce_adder2-0.1.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate bruce_adder2 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bruce_adder2 0.1.1 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 bruce_adder2 0.1.1
[INFO] finished tweaking crates.io crate bruce_adder2 0.1.1
[INFO] tweaked toml for crates.io crate bruce_adder2 0.1.1 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ebff5ed02e769dc625c13bac094dfc0520d8074630ebcd8428490f849345cee5
[INFO] running `Command { std: "docker" "start" "-a" "ebff5ed02e769dc625c13bac094dfc0520d8074630ebcd8428490f849345cee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebff5ed02e769dc625c13bac094dfc0520d8074630ebcd8428490f849345cee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebff5ed02e769dc625c13bac094dfc0520d8074630ebcd8428490f849345cee5", kill_on_drop: false }`
[INFO] [stdout] ebff5ed02e769dc625c13bac094dfc0520d8074630ebcd8428490f849345cee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e5cf3142b6980ae0b7e50112922bf3eb3efab3156646a41fb129a368e9c87ee7
[INFO] running `Command { std: "docker" "start" "-a" "e5cf3142b6980ae0b7e50112922bf3eb3efab3156646a41fb129a368e9c87ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bruce_adder2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "e5cf3142b6980ae0b7e50112922bf3eb3efab3156646a41fb129a368e9c87ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cf3142b6980ae0b7e50112922bf3eb3efab3156646a41fb129a368e9c87ee7", kill_on_drop: false }`
[INFO] [stdout] e5cf3142b6980ae0b7e50112922bf3eb3efab3156646a41fb129a368e9c87ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] baa51e83c14dc2b937b280363dc03fbeb8fbf30c1e0b5dbe5e76013c6241617a
[INFO] running `Command { std: "docker" "start" "-a" "baa51e83c14dc2b937b280363dc03fbeb8fbf30c1e0b5dbe5e76013c6241617a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bruce_adder2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "baa51e83c14dc2b937b280363dc03fbeb8fbf30c1e0b5dbe5e76013c6241617a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa51e83c14dc2b937b280363dc03fbeb8fbf30c1e0b5dbe5e76013c6241617a", kill_on_drop: false }`
[INFO] [stdout] baa51e83c14dc2b937b280363dc03fbeb8fbf30c1e0b5dbe5e76013c6241617a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 840f179fb12300d5ed485c9e5bf1c91053c685ca31de980d6ed9a05f9e45cc49
[INFO] running `Command { std: "docker" "start" "-a" "840f179fb12300d5ed485c9e5bf1c91053c685ca31de980d6ed9a05f9e45cc49", 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/bruce_adder2-75ce9fafc3e6ddda)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bruce_adder2
[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] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 11) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `adder2`
[INFO] [stdout]  --> src/lib.rs:13:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let answer = adder2::add_one(arg);
[INFO] [stdout]   |              ^^^^^^ use of undeclared crate or module `adder2`
[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 11)
[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" "840f179fb12300d5ed485c9e5bf1c91053c685ca31de980d6ed9a05f9e45cc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840f179fb12300d5ed485c9e5bf1c91053c685ca31de980d6ed9a05f9e45cc49", kill_on_drop: false }`
[INFO] [stdout] 840f179fb12300d5ed485c9e5bf1c91053c685ca31de980d6ed9a05f9e45cc49
