[INFO] crate rustbreak 2.0.0-rc3 is already in cache
[INFO] extracting crate rustbreak 2.0.0-rc3 into work/ex/beta-1.37-6/sources/1.36.0/reg/rustbreak/2.0.0-rc3
[INFO] extracting crate rustbreak 2.0.0-rc3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustbreak/2.0.0-rc3
[INFO] validating manifest of rustbreak-2.0.0-rc3 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 rustbreak-2.0.0-rc3 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 rustbreak-2.0.0-rc3
[INFO] finished frobbing rustbreak-2.0.0-rc3
[INFO] frobbed toml for rustbreak-2.0.0-rc3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rustbreak/2.0.0-rc3/Cargo.toml
[INFO] started frobbing rustbreak-2.0.0-rc3
[INFO] finished frobbing rustbreak-2.0.0-rc3
[INFO] frobbed toml for rustbreak-2.0.0-rc3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustbreak/2.0.0-rc3/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 rustbreak-2.0.0-rc3 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rustbreak/2.0.0-rc3:/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] 7f86cedbf0ad0c9ddc4bda22069b482bb04208e29e69078e763503ea73405dc1
[INFO] running `"docker" "start" "-a" "7f86cedbf0ad0c9ddc4bda22069b482bb04208e29e69078e763503ea73405dc1"`
[INFO] [stderr]    Compiling rustbreak v2.0.0-rc3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:186:1
[INFO] [stderr]     |
[INFO] [stderr] 186 | #[macro_use] extern crate failure;
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:16:5
[INFO] [stderr]     |
[INFO] [stderr] 16  |     unused_imports,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "7f86cedbf0ad0c9ddc4bda22069b482bb04208e29e69078e763503ea73405dc1"`
[INFO] running `"docker" "rm" "-f" "7f86cedbf0ad0c9ddc4bda22069b482bb04208e29e69078e763503ea73405dc1"`
[INFO] [stdout] 7f86cedbf0ad0c9ddc4bda22069b482bb04208e29e69078e763503ea73405dc1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rustbreak/2.0.0-rc3:/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] 446be279bd85ef200145c548fdb15cf48fe8d49621eab5558ed09e14c8c8d81f
[INFO] running `"docker" "start" "-a" "446be279bd85ef200145c548fdb15cf48fe8d49621eab5558ed09e14c8c8d81f"`
[INFO] [stderr]    Compiling rustbreak v2.0.0-rc3 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rustbreak::deser::Ron`
[INFO] [stderr]   --> examples/config.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use rustbreak::deser::Ron;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ no `Ron` in `deser`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `rustbreak::deser::Ron`, `rustbreak::deser::Yaml`
[INFO] [stderr]  --> examples/switching.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rustbreak::deser::{Ron, Yaml};
[INFO] [stderr]   |                        ^^^  ^^^^ no `Yaml` in `deser`
[INFO] [stderr]   |                        |
[INFO] [stderr]   |                        no `Ron` in `deser`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustbreak::deser::Ron`
[INFO] [stderr]  --> examples/full.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rustbreak::deser::Ron;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^ no `Ron` in `deser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:186:1
[INFO] [stderr]     |
[INFO] [stderr] 186 | #[macro_use] extern crate failure;
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:16:5
[INFO] [stderr]     |
[INFO] [stderr] 16  |     unused_imports,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `CONFIG` in the current scope
[INFO] [stderr]   --> examples/config.rs:48:33
[INFO] [stderr]    |
[INFO] [stderr] 23 | / lazy_static! {
[INFO] [stderr] 24 | |     static ref CONFIG: DB = {
[INFO] [stderr] 25 | |         let db = FileDatabase::from_path("/tmp/config.ron", Config::default())
[INFO] [stderr] 26 | |             .expect("Create database from path");
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     };
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 48 |       let _conf : Config = CONFIG.read(|conf| {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `std::io::Read`
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `CONFIG` in the current scope
[INFO] [stderr]   --> examples/config.rs:53:16
[INFO] [stderr]    |
[INFO] [stderr] 23 | / lazy_static! {
[INFO] [stderr] 24 | |     static ref CONFIG: DB = {
[INFO] [stderr] 25 | |         let db = FileDatabase::from_path("/tmp/config.ron", Config::default())
[INFO] [stderr] 26 | |             .expect("Create database from path");
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     };
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 53 |           CONFIG.read(|conf| (conf.user_path.clone(), conf.allow_overwrite.clone())).expect("Read config");
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `std::io::Read`
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rustbreak`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rustbreak`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rustbreak`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "446be279bd85ef200145c548fdb15cf48fe8d49621eab5558ed09e14c8c8d81f"`
[INFO] running `"docker" "rm" "-f" "446be279bd85ef200145c548fdb15cf48fe8d49621eab5558ed09e14c8c8d81f"`
[INFO] [stdout] 446be279bd85ef200145c548fdb15cf48fe8d49621eab5558ed09e14c8c8d81f