[INFO] fetching crate tweet 0.3.0...
[INFO] testing tweet-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tweet 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tweet 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tweet 0.3.0
[INFO] finished tweaking crates.io crate tweet 0.3.0
[INFO] tweaked toml for crates.io crate tweet 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3f5472e35ed4a23d4744cbcdaaed1b767eaadcee8ff07c04902d04c8b663522
[INFO] running `"docker" "start" "-a" "d3f5472e35ed4a23d4744cbcdaaed1b767eaadcee8ff07c04902d04c8b663522"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tweet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `"docker" "inspect" "d3f5472e35ed4a23d4744cbcdaaed1b767eaadcee8ff07c04902d04c8b663522"`
[INFO] running `"docker" "rm" "-f" "d3f5472e35ed4a23d4744cbcdaaed1b767eaadcee8ff07c04902d04c8b663522"`
[INFO] [stdout] d3f5472e35ed4a23d4744cbcdaaed1b767eaadcee8ff07c04902d04c8b663522
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 116cf1ebb0f5c5b5ae9cba608639d6a6295e849b2158b31460e42b383f9af087
[INFO] running `"docker" "start" "-a" "116cf1ebb0f5c5b5ae9cba608639d6a6295e849b2158b31460e42b383f9af087"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tweet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `"docker" "inspect" "116cf1ebb0f5c5b5ae9cba608639d6a6295e849b2158b31460e42b383f9af087"`
[INFO] running `"docker" "rm" "-f" "116cf1ebb0f5c5b5ae9cba608639d6a6295e849b2158b31460e42b383f9af087"`
[INFO] [stdout] 116cf1ebb0f5c5b5ae9cba608639d6a6295e849b2158b31460e42b383f9af087
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3453dfc17e7c80516e8c0b9506a714e39e7739f2af6cc6469cc4d318b24ac460
[INFO] running `"docker" "start" "-a" "3453dfc17e7c80516e8c0b9506a714e39e7739f2af6cc6469cc4d318b24ac460"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tweet-3512f2a77cf7956f
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tweet
[INFO] [stderr] error[E0659]: `tweet` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]   --> /opt/rustwide/workdir/src/model/mod.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub use tweet::{ExtendedTweet, Tweet};
[INFO] [stderr]    |         ^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: `tweet` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::tweet` to refer to this crate unambiguously
[INFO] [stderr] note: `tweet` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/model/mod.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | mod tweet;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    = help: use `self::tweet` 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 `"docker" "inspect" "3453dfc17e7c80516e8c0b9506a714e39e7739f2af6cc6469cc4d318b24ac460"`
[INFO] running `"docker" "rm" "-f" "3453dfc17e7c80516e8c0b9506a714e39e7739f2af6cc6469cc4d318b24ac460"`
[INFO] [stdout] 3453dfc17e7c80516e8c0b9506a714e39e7739f2af6cc6469cc4d318b24ac460