[INFO] crate idem 0.1.1 is already in cache
[INFO] extracting crate idem 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/idem/0.1.1
[INFO] extracting crate idem 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/idem/0.1.1
[INFO] validating manifest of idem-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of idem-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing idem-0.1.1
[INFO] finished frobbing idem-0.1.1
[INFO] frobbed toml for idem-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/idem/0.1.1/Cargo.toml
[INFO] started frobbing idem-0.1.1
[INFO] finished frobbing idem-0.1.1
[INFO] frobbed toml for idem-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/idem/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing idem-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/idem/0.1.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d1dfbe9e0290fc41a77dba45a8d2e71168397dd43571ae5511bde6b29c688591
[INFO] running `"docker" "start" "-a" "d1dfbe9e0290fc41a77dba45a8d2e71168397dd43571ae5511bde6b29c688591"`
[INFO] [stderr]    Compiling idem v0.4.0
[INFO] [stderr]    Compiling idem v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "d1dfbe9e0290fc41a77dba45a8d2e71168397dd43571ae5511bde6b29c688591"`
[INFO] running `"docker" "rm" "-f" "d1dfbe9e0290fc41a77dba45a8d2e71168397dd43571ae5511bde6b29c688591"`
[INFO] [stdout] d1dfbe9e0290fc41a77dba45a8d2e71168397dd43571ae5511bde6b29c688591
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/idem/0.1.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cad652ad9c78f53b4b64a22233ef38c7cde12c1cefae21ed3d4636294faac203
[INFO] running `"docker" "start" "-a" "cad652ad9c78f53b4b64a22233ef38c7cde12c1cefae21ed3d4636294faac203"`
[INFO] [stderr]    Compiling idem v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "cad652ad9c78f53b4b64a22233ef38c7cde12c1cefae21ed3d4636294faac203"`
[INFO] running `"docker" "rm" "-f" "cad652ad9c78f53b4b64a22233ef38c7cde12c1cefae21ed3d4636294faac203"`
[INFO] [stdout] cad652ad9c78f53b4b64a22233ef38c7cde12c1cefae21ed3d4636294faac203
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/idem/0.1.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 914ba2e6267caa29f8626377d3503f424929c8ba98e2357e4f53acdad94bf864
[INFO] running `"docker" "start" "-a" "914ba2e6267caa29f8626377d3503f424929c8ba98e2357e4f53acdad94bf864"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/idem-cc17e321172a8b8f
[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 idem
[INFO] [stderr] error[E0465]: multiple rlib candidates for `idem` found
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate idem;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: candidate #1: /opt/crater/target/debug/deps/libidem-384f24e9e765061d.rlib
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate idem;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2: /opt/crater/target/debug/deps/libidem-910071bdb364de4a.rlib
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate idem;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `idem`
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate idem;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "914ba2e6267caa29f8626377d3503f424929c8ba98e2357e4f53acdad94bf864"`
[INFO] running `"docker" "rm" "-f" "914ba2e6267caa29f8626377d3503f424929c8ba98e2357e4f53acdad94bf864"`
[INFO] [stdout] 914ba2e6267caa29f8626377d3503f424929c8ba98e2357e4f53acdad94bf864