[INFO] fetching crate phone 0.1.2...
[INFO] testing phone-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate phone 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate phone 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate phone 0.1.2
[INFO] finished tweaking crates.io crate phone 0.1.2
[INFO] tweaked toml for crates.io crate phone 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fc7c632fa1debe3c2df3e56f610e59aee9210053ec94090041fd46bd30985c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5fc7c632fa1debe3c2df3e56f610e59aee9210053ec94090041fd46bd30985c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc7c632fa1debe3c2df3e56f610e59aee9210053ec94090041fd46bd30985c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc7c632fa1debe3c2df3e56f610e59aee9210053ec94090041fd46bd30985c1", kill_on_drop: false }`
[INFO] [stdout] 5fc7c632fa1debe3c2df3e56f610e59aee9210053ec94090041fd46bd30985c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cc142d73d53ec7e7f5b9796f5c63226e4312a196c0ee07c96f1b13b21f349d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cc142d73d53ec7e7f5b9796f5c63226e4312a196c0ee07c96f1b13b21f349d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling phone v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "1cc142d73d53ec7e7f5b9796f5c63226e4312a196c0ee07c96f1b13b21f349d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc142d73d53ec7e7f5b9796f5c63226e4312a196c0ee07c96f1b13b21f349d1", kill_on_drop: false }`
[INFO] [stdout] 1cc142d73d53ec7e7f5b9796f5c63226e4312a196c0ee07c96f1b13b21f349d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d15bd970046a3a1a1726c5206468771f2f7069f44c2a13ff98a593318f362e1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d15bd970046a3a1a1726c5206468771f2f7069f44c2a13ff98a593318f362e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling phone v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "d15bd970046a3a1a1726c5206468771f2f7069f44c2a13ff98a593318f362e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15bd970046a3a1a1726c5206468771f2f7069f44c2a13ff98a593318f362e1a", kill_on_drop: false }`
[INFO] [stdout] d15bd970046a3a1a1726c5206468771f2f7069f44c2a13ff98a593318f362e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad5debfc25b4542f005a5f52239e0b1f8f9b4c382c1139fe4604eaaa43ec639b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad5debfc25b4542f005a5f52239e0b1f8f9b4c382c1139fe4604eaaa43ec639b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/phone-9d44aa2d4abdcf7b)
[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 phone
[INFO] [stderr] error[E0659]: `phone` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub use phone::is_valid_phone;
[INFO] [stderr]    |         ^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: `phone` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::phone` to refer to this crate unambiguously
[INFO] [stderr] note: `phone` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / pub mod phone{
[INFO] [stderr] 2  | |     pub fn is_valid_phone(phone:&str) -> bool{
[INFO] [stderr] 3  | |         let mut count = 0;
[INFO] [stderr] 4  | |         let pos = phone.find("+");
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    = help: use `crate::phone` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ad5debfc25b4542f005a5f52239e0b1f8f9b4c382c1139fe4604eaaa43ec639b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5debfc25b4542f005a5f52239e0b1f8f9b4c382c1139fe4604eaaa43ec639b", kill_on_drop: false }`
[INFO] [stdout] ad5debfc25b4542f005a5f52239e0b1f8f9b4c382c1139fe4604eaaa43ec639b