[INFO] crate covalent 0.1.0 is already in cache
[INFO] testing covalent-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate covalent 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate covalent 0.1.0 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 covalent 0.1.0
[INFO] finished tweaking crates.io crate covalent 0.1.0
[INFO] tweaked toml for crates.io crate covalent 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 432cbb334967c86714c917e9d352205a33ee69ee304172be03671fc33afde98d
[INFO] running `"docker" "start" "-a" "432cbb334967c86714c917e9d352205a33ee69ee304172be03671fc33afde98d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling covalent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "432cbb334967c86714c917e9d352205a33ee69ee304172be03671fc33afde98d"`
[INFO] running `"docker" "rm" "-f" "432cbb334967c86714c917e9d352205a33ee69ee304172be03671fc33afde98d"`
[INFO] [stdout] 432cbb334967c86714c917e9d352205a33ee69ee304172be03671fc33afde98d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7e2cd3231cc46681d1c22dd3234a6dbbef53303f95ea9e48ddae606e61e24889
[INFO] running `"docker" "start" "-a" "7e2cd3231cc46681d1c22dd3234a6dbbef53303f95ea9e48ddae606e61e24889"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling covalent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "7e2cd3231cc46681d1c22dd3234a6dbbef53303f95ea9e48ddae606e61e24889"`
[INFO] running `"docker" "rm" "-f" "7e2cd3231cc46681d1c22dd3234a6dbbef53303f95ea9e48ddae606e61e24889"`
[INFO] [stdout] 7e2cd3231cc46681d1c22dd3234a6dbbef53303f95ea9e48ddae606e61e24889
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8382c177c172c02abe9f3511fa97f4de4757eb61bc5127705a7cbca05dc1aea6
[INFO] running `"docker" "start" "-a" "8382c177c172c02abe9f3511fa97f4de4757eb61bc5127705a7cbca05dc1aea6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/covalent-c67a8e4c49ff7ebe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests covalent
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `covalent` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use covalent::Covalent;
[INFO] [stderr]   |         ^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `covalent` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::covalent` to refer to this crate unambiguously
[INFO] [stderr] note: `covalent` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod covalent;
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::covalent` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `covalent` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use covalent::DisplayHints;
[INFO] [stderr]   |         ^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `covalent` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::covalent` to refer to this crate unambiguously
[INFO] [stderr] note: `covalent` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod covalent;
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::covalent` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[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" "8382c177c172c02abe9f3511fa97f4de4757eb61bc5127705a7cbca05dc1aea6"`
[INFO] running `"docker" "rm" "-f" "8382c177c172c02abe9f3511fa97f4de4757eb61bc5127705a7cbca05dc1aea6"`
[INFO] [stdout] 8382c177c172c02abe9f3511fa97f4de4757eb61bc5127705a7cbca05dc1aea6