[INFO] fetching crate lets_learn_rust 0.1.0...
[INFO] testing lets_learn_rust-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate lets_learn_rust 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate lets_learn_rust 0.1.0
[INFO] finished tweaking crates.io crate lets_learn_rust 0.1.0
[INFO] tweaked toml for crates.io crate lets_learn_rust 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lets_learn_rust 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lets_learn_rust 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91e6f8d04e3592ef77b73b0b7021522d76b02144fc1cbe21d4ba2134754cf7da
[INFO] running `Command { std: "docker" "start" "-a" "91e6f8d04e3592ef77b73b0b7021522d76b02144fc1cbe21d4ba2134754cf7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91e6f8d04e3592ef77b73b0b7021522d76b02144fc1cbe21d4ba2134754cf7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e6f8d04e3592ef77b73b0b7021522d76b02144fc1cbe21d4ba2134754cf7da", kill_on_drop: false }`
[INFO] [stdout] 91e6f8d04e3592ef77b73b0b7021522d76b02144fc1cbe21d4ba2134754cf7da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0c45f85edde0addfe2bb6549f79b3d37892c8f11180943714e4cc792edb0a03
[INFO] running `Command { std: "docker" "start" "-a" "c0c45f85edde0addfe2bb6549f79b3d37892c8f11180943714e4cc792edb0a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling lets_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c0c45f85edde0addfe2bb6549f79b3d37892c8f11180943714e4cc792edb0a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c45f85edde0addfe2bb6549f79b3d37892c8f11180943714e4cc792edb0a03", kill_on_drop: false }`
[INFO] [stdout] c0c45f85edde0addfe2bb6549f79b3d37892c8f11180943714e4cc792edb0a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac92f4cce955c9393846dbf864b0609c0e8f5b43f8323c9adbfede2afda55289
[INFO] running `Command { std: "docker" "start" "-a" "ac92f4cce955c9393846dbf864b0609c0e8f5b43f8323c9adbfede2afda55289", kill_on_drop: false }`
[INFO] [stderr]    Compiling lets_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ac92f4cce955c9393846dbf864b0609c0e8f5b43f8323c9adbfede2afda55289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac92f4cce955c9393846dbf864b0609c0e8f5b43f8323c9adbfede2afda55289", kill_on_drop: false }`
[INFO] [stdout] ac92f4cce955c9393846dbf864b0609c0e8f5b43f8323c9adbfede2afda55289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bac4cd59b4a2147b197b0b93dbb076b9f723575b17e780ec642d1f1f9c52cc2
[INFO] running `Command { std: "docker" "start" "-a" "0bac4cd59b4a2147b197b0b93dbb076b9f723575b17e780ec642d1f1f9c52cc2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lets_learn_rust-9b3f00fe307edf22)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lets_learn_rust-8cc3dfad898ac26b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lets_learn_rust
[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 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]: cannot find module or crate `learn_rust` in this scope
[INFO] [stdout]   --> src/lib.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | let answer = learn_rust::add_one(arg);
[INFO] [stdout]    |              ^^^^^^^^^^ use of unresolved module or unlinked crate `learn_rust`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `learn_rust`, use `cargo add learn_rust` to add it to your `Cargo.toml`
[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] [stderr] error: doctest failed, to rerun pass `--doc`
[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 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bac4cd59b4a2147b197b0b93dbb076b9f723575b17e780ec642d1f1f9c52cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bac4cd59b4a2147b197b0b93dbb076b9f723575b17e780ec642d1f1f9c52cc2", kill_on_drop: false }`
[INFO] [stdout] 0bac4cd59b4a2147b197b0b93dbb076b9f723575b17e780ec642d1f1f9c52cc2