[INFO] crate mvdb 0.3.0 is already in cache
[INFO] extracting crate mvdb 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mvdb/0.3.0
[INFO] extracting crate mvdb 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mvdb/0.3.0
[INFO] validating manifest of mvdb-0.3.0 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 mvdb-0.3.0 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 mvdb-0.3.0
[INFO] finished frobbing mvdb-0.3.0
[INFO] frobbed toml for mvdb-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mvdb/0.3.0/Cargo.toml
[INFO] started frobbing mvdb-0.3.0
[INFO] finished frobbing mvdb-0.3.0
[INFO] frobbed toml for mvdb-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mvdb/0.3.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mvdb-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mvdb/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9131d10a8bc952b64f317e8c3f0f556b22b77eeecd891cee539d081ba4ddb642
[INFO] running `"docker" "start" "-a" "9131d10a8bc952b64f317e8c3f0f556b22b77eeecd891cee539d081ba4ddb642"`
[INFO] [stderr]    Compiling mvdb v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "9131d10a8bc952b64f317e8c3f0f556b22b77eeecd891cee539d081ba4ddb642"`
[INFO] running `"docker" "rm" "-f" "9131d10a8bc952b64f317e8c3f0f556b22b77eeecd891cee539d081ba4ddb642"`
[INFO] [stdout] 9131d10a8bc952b64f317e8c3f0f556b22b77eeecd891cee539d081ba4ddb642
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mvdb/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 037a8eed081bc94cb555d4ae0344bb5ffa0ddb520879c42635dc2a3ecdca6c4d
[INFO] running `"docker" "start" "-a" "037a8eed081bc94cb555d4ae0344bb5ffa0ddb520879c42635dc2a3ecdca6c4d"`
[INFO] [stderr]    Compiling mvdb v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "037a8eed081bc94cb555d4ae0344bb5ffa0ddb520879c42635dc2a3ecdca6c4d"`
[INFO] running `"docker" "rm" "-f" "037a8eed081bc94cb555d4ae0344bb5ffa0ddb520879c42635dc2a3ecdca6c4d"`
[INFO] [stdout] 037a8eed081bc94cb555d4ae0344bb5ffa0ddb520879c42635dc2a3ecdca6c4d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mvdb/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dae47259d8ad8b303e40f58e6726fe6f498cb0b5b1dc66a932156d7dd5f9e187
[INFO] running `"docker" "start" "-a" "dae47259d8ad8b303e40f58e6726fe6f498cb0b5b1dc66a932156d7dd5f9e187"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mvdb-932b1a218dd9b8ad
[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 mvdb
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs -  (line 50) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::access (line 155) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::from_file_pretty (line 115) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::from_file (line 97) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::from_file_or_default (line 229) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 61) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::from_file_or_default_pretty (line 245) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::access_mut (line 174) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::new (line 62) ... FAILED
[INFO] [stdout] test src/mvdb.rs - mvdb::Mvdb<T>::new_pretty (line 80) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 50) stdout ----
[INFO] [stdout] error: expected expression, found keyword `in`
[INFO] [stdout]  --> src/lib.rs:51:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | in Cargo.toml:
[INFO] [stdout]   | ^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::access (line 155) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `my_data` in this scope
[INFO] [stdout]  --> src/mvdb.rs:156:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | let foo_from_disk = my_data.access(|db| db.foo.clone())
[INFO] [stdout]   |                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::from_file_pretty (line 115) stdout ----
[INFO] [stdout] error: expected expression, found `.`
[INFO] [stdout]  --> src/mvdb.rs:118:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .expect("File does not exist, or schema mismatch");
[INFO] [stdout]   |     ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]  --> src/mvdb.rs:116:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let file = Path::new("demo_pretty.json");
[INFO] [stdout]   |            ^^^^ use of undeclared type or module `Path`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mvdb`
[INFO] [stdout]  --> src/mvdb.rs:117:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_pretty(&file);
[INFO] [stdout]   |                               ^^^^ use of undeclared type or module `Mvdb`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mvdb` in this scope
[INFO] [stdout]  --> src/mvdb.rs:117:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_pretty(&file);
[INFO] [stdout]   |              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DemoData` in this scope
[INFO] [stdout]  --> src/mvdb.rs:117:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_pretty(&file);
[INFO] [stdout]   |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::from_file (line 97) stdout ----
[INFO] [stdout] error: expected expression, found `.`
[INFO] [stdout]  --> src/mvdb.rs:100:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .expect("File does not exist, or schema mismatch");
[INFO] [stdout]   |     ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]  --> src/mvdb.rs:98:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let file = Path::new("demo.json");
[INFO] [stdout]   |            ^^^^ use of undeclared type or module `Path`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mvdb`
[INFO] [stdout]  --> src/mvdb.rs:99:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file(&file);
[INFO] [stdout]   |                               ^^^^ use of undeclared type or module `Mvdb`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mvdb` in this scope
[INFO] [stdout]  --> src/mvdb.rs:99:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file(&file);
[INFO] [stdout]   |              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DemoData` in this scope
[INFO] [stdout]  --> src/mvdb.rs:99:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file(&file);
[INFO] [stdout]   |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::from_file_or_default (line 229) stdout ----
[INFO] [stdout] error: expected expression, found `.`
[INFO] [stdout]  --> src/mvdb.rs:232:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .expect("Could not write to file");
[INFO] [stdout]   |     ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]  --> src/mvdb.rs:230:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let file = Path::new("demo.json");
[INFO] [stdout]   |            ^^^^ use of undeclared type or module `Path`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mvdb`
[INFO] [stdout]  --> src/mvdb.rs:231:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_or_default(&file);
[INFO] [stdout]   |                               ^^^^ use of undeclared type or module `Mvdb`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mvdb` in this scope
[INFO] [stdout]  --> src/mvdb.rs:231:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_or_default(&file);
[INFO] [stdout]   |              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DemoData` in this scope
[INFO] [stdout]  --> src/mvdb.rs:231:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_or_default(&file);
[INFO] [stdout]   |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 61) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `extern`
[INFO] [stdout]  --> src/lib.rs:62:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | [macro_use] extern crate serde_derive;
[INFO] [stdout]   |             ^^^^^^ expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `macro_use` in this scope
[INFO] [stdout]  --> src/lib.rs:62:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | [macro_use] extern crate serde_derive;
[INFO] [stdout]   |  ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::from_file_or_default_pretty (line 245) stdout ----
[INFO] [stdout] error: expected expression, found `.`
[INFO] [stdout]  --> src/mvdb.rs:248:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .expect("Could not write to file");
[INFO] [stdout]   |     ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]  --> src/mvdb.rs:246:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let file = Path::new("demo_pretty.json");
[INFO] [stdout]   |            ^^^^ use of undeclared type or module `Path`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mvdb`
[INFO] [stdout]  --> src/mvdb.rs:247:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_or_default_pretty(&file);
[INFO] [stdout]   |                               ^^^^ use of undeclared type or module `Mvdb`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mvdb` in this scope
[INFO] [stdout]  --> src/mvdb.rs:247:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_or_default_pretty(&file);
[INFO] [stdout]   |              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DemoData` in this scope
[INFO] [stdout]  --> src/mvdb.rs:247:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | let my_data: Mvdb<DemoData> = Mvdb::from_file_or_default_pretty(&file);
[INFO] [stdout]   |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::access_mut (line 174) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `my_data` in this scope
[INFO] [stdout]  --> src/mvdb.rs:175:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | my_data.access_mut(|db: &mut DemoData| {
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DemoData` in this scope
[INFO] [stdout]  --> src/mvdb.rs:175:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | my_data.access_mut(|db: &mut DemoData| {
[INFO] [stdout]   |                              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::new (line 62) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `DemoData`
[INFO] [stdout]  --> src/mvdb.rs:63:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let data = DemoData::new();
[INFO] [stdout]   |            ^^^^^^^^ use of undeclared type or module `DemoData`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]  --> src/mvdb.rs:64:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let file = Path::new("demo.json");
[INFO] [stdout]   |            ^^^^ use of undeclared type or module `Path`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mvdb`
[INFO] [stdout]  --> src/mvdb.rs:66:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | let my_data = Mvdb::new(data, &file)
[INFO] [stdout]   |               ^^^^ use of undeclared type or module `Mvdb`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/mvdb.rs - mvdb::Mvdb<T>::new_pretty (line 80) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `DemoData`
[INFO] [stdout]  --> src/mvdb.rs:81:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let data = DemoData::new();
[INFO] [stdout]   |            ^^^^^^^^ use of undeclared type or module `DemoData`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]  --> src/mvdb.rs:82:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let file = Path::new("demo_pretty.json");
[INFO] [stdout]   |            ^^^^ use of undeclared type or module `Path`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mvdb`
[INFO] [stdout]  --> src/mvdb.rs:84:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | let my_data = Mvdb::new_pretty(data, &file)
[INFO] [stdout]   |               ^^^^ use of undeclared type or module `Mvdb`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 50)
[INFO] [stdout]     src/lib.rs -  (line 61)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::access (line 155)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::access_mut (line 174)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::from_file (line 97)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::from_file_or_default (line 229)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::from_file_or_default_pretty (line 245)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::from_file_pretty (line 115)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::new (line 62)
[INFO] [stdout]     src/mvdb.rs - mvdb::Mvdb<T>::new_pretty (line 80)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "dae47259d8ad8b303e40f58e6726fe6f498cb0b5b1dc66a932156d7dd5f9e187"`
[INFO] running `"docker" "rm" "-f" "dae47259d8ad8b303e40f58e6726fe6f498cb0b5b1dc66a932156d7dd5f9e187"`
[INFO] [stdout] dae47259d8ad8b303e40f58e6726fe6f498cb0b5b1dc66a932156d7dd5f9e187