[INFO] fetching crate wikifeet 1.0.0...
[INFO] testing wikifeet-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wikifeet 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wikifeet 1.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wikifeet 1.0.0
[INFO] finished tweaking crates.io crate wikifeet 1.0.0
[INFO] tweaked toml for crates.io crate wikifeet 1.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.22
[INFO] [stderr]   Downloaded socket2 v0.4.4
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded tracing v0.1.31
[INFO] [stderr]   Downloaded mio v0.8.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.1
[INFO] [stderr]   Downloaded hyper v0.14.17
[INFO] [stderr]   Downloaded futures-channel v0.3.21
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded futures-util v0.3.21
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded urlencoding v2.1.0
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.29
[INFO] [stderr]   Downloaded futures-io v0.3.21
[INFO] [stderr]   Downloaded futures-task v0.3.21
[INFO] [stderr]   Downloaded futures-core v0.3.21
[INFO] [stderr]   Downloaded futures-sink v0.3.21
[INFO] [stderr]   Downloaded h2 v0.3.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de473168f0e963058df7ff86c8ea0fe9f41be382f92a8244e2cf9f93ee39f023
[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" "de473168f0e963058df7ff86c8ea0fe9f41be382f92a8244e2cf9f93ee39f023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de473168f0e963058df7ff86c8ea0fe9f41be382f92a8244e2cf9f93ee39f023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de473168f0e963058df7ff86c8ea0fe9f41be382f92a8244e2cf9f93ee39f023", kill_on_drop: false }`
[INFO] [stdout] de473168f0e963058df7ff86c8ea0fe9f41be382f92a8244e2cf9f93ee39f023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6fbdce7f7b0aadb6030a16b6940580aeba4c96684b19ff7b21a2d49eda3c7bb
[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" "f6fbdce7f7b0aadb6030a16b6940580aeba4c96684b19ff7b21a2d49eda3c7bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling urlencoding v2.1.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling wikifeet v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.15s
[INFO] running `Command { std: "docker" "inspect" "f6fbdce7f7b0aadb6030a16b6940580aeba4c96684b19ff7b21a2d49eda3c7bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fbdce7f7b0aadb6030a16b6940580aeba4c96684b19ff7b21a2d49eda3c7bb", kill_on_drop: false }`
[INFO] [stdout] f6fbdce7f7b0aadb6030a16b6940580aeba4c96684b19ff7b21a2d49eda3c7bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac2793fc91ba6d5c45759ee94cdf416216e93c288d5af174feb6a5beb15354ee
[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" "ac2793fc91ba6d5c45759ee94cdf416216e93c288d5af174feb6a5beb15354ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling wikifeet v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "ac2793fc91ba6d5c45759ee94cdf416216e93c288d5af174feb6a5beb15354ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2793fc91ba6d5c45759ee94cdf416216e93c288d5af174feb6a5beb15354ee", kill_on_drop: false }`
[INFO] [stdout] ac2793fc91ba6d5c45759ee94cdf416216e93c288d5af174feb6a5beb15354ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8b774c898e08e4d60eb46b8f38e8f0e1f25fb570ad242b62118f90f6ee84ce1
[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" "b8b774c898e08e4d60eb46b8f38e8f0e1f25fb570ad242b62118f90f6ee84ce1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wikifeet-2c2d2b3a63d4b1d2)
[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 wikifeet
[INFO] [stderr] error[E0659]: `wikifeet` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub use wikifeet::WikiFeet;
[INFO] [stderr]    |         ^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `wikifeet` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::wikifeet` to refer to this crate unambiguously
[INFO] [stderr] note: `wikifeet` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | mod wikifeet;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::wikifeet` 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" "b8b774c898e08e4d60eb46b8f38e8f0e1f25fb570ad242b62118f90f6ee84ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b774c898e08e4d60eb46b8f38e8f0e1f25fb570ad242b62118f90f6ee84ce1", kill_on_drop: false }`
[INFO] [stdout] b8b774c898e08e4d60eb46b8f38e8f0e1f25fb570ad242b62118f90f6ee84ce1