[INFO] crate tweet 0.3.0 is already in cache
[INFO] extracting crate tweet 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tweet/0.3.0
[INFO] extracting crate tweet 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tweet/0.3.0
[INFO] validating manifest of tweet-0.3.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tweet-0.3.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tweet-0.3.0
[INFO] finished frobbing tweet-0.3.0
[INFO] frobbed toml for tweet-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tweet/0.3.0/Cargo.toml
[INFO] started frobbing tweet-0.3.0
[INFO] finished frobbing tweet-0.3.0
[INFO] frobbed toml for tweet-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tweet/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tweet-0.3.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tweet/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 65f1d83dadc00119ca1ad487c1aef3b1943cb6d2b7b9644f3522c9c802a0a8f9
[INFO] running `"docker" "start" "-a" "65f1d83dadc00119ca1ad487c1aef3b1943cb6d2b7b9644f3522c9c802a0a8f9"`
[INFO] [stderr]    Compiling tweet v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "65f1d83dadc00119ca1ad487c1aef3b1943cb6d2b7b9644f3522c9c802a0a8f9"`
[INFO] running `"docker" "rm" "-f" "65f1d83dadc00119ca1ad487c1aef3b1943cb6d2b7b9644f3522c9c802a0a8f9"`
[INFO] [stdout] 65f1d83dadc00119ca1ad487c1aef3b1943cb6d2b7b9644f3522c9c802a0a8f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tweet/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 37b33fcd135643beeefe030877ebe84bc571a36878faf6d060445ed9a5b99981
[INFO] running `"docker" "start" "-a" "37b33fcd135643beeefe030877ebe84bc571a36878faf6d060445ed9a5b99981"`
[INFO] [stderr]    Compiling tweet v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "37b33fcd135643beeefe030877ebe84bc571a36878faf6d060445ed9a5b99981"`
[INFO] running `"docker" "rm" "-f" "37b33fcd135643beeefe030877ebe84bc571a36878faf6d060445ed9a5b99981"`
[INFO] [stdout] 37b33fcd135643beeefe030877ebe84bc571a36878faf6d060445ed9a5b99981
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tweet/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] fde44b955649b63b4fe01e7c47795f61cddeeff03709b10fabdf11c742835021
[INFO] running `"docker" "start" "-a" "fde44b955649b63b4fe01e7c47795f61cddeeff03709b10fabdf11c742835021"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tweet-cc310280640b5f26
[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/crater/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 an extern crate passed with `--extern`
[INFO] [stderr]    = help: use `::tweet` to refer to this extern crate unambiguously
[INFO] [stderr] note: `tweet` could also refer to the module defined here
[INFO] [stderr]   --> /opt/crater/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] [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] running `"docker" "inspect" "fde44b955649b63b4fe01e7c47795f61cddeeff03709b10fabdf11c742835021"`
[INFO] running `"docker" "rm" "-f" "fde44b955649b63b4fe01e7c47795f61cddeeff03709b10fabdf11c742835021"`
[INFO] [stdout] fde44b955649b63b4fe01e7c47795f61cddeeff03709b10fabdf11c742835021