[INFO] fetching crate rustbreak 2.0.0...
[INFO] testing rustbreak-2.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate rustbreak 2.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rustbreak 2.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustbreak 2.0.0
[INFO] finished tweaking crates.io crate rustbreak 2.0.0
[INFO] tweaked toml for crates.io crate rustbreak 2.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustbreak 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ron v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d2bc670663ecb3fe4602dcf68be0baf7ae89e966a9ddf84a8cf04a35de4d171
[INFO] running `Command { std: "docker" "start" "-a" "8d2bc670663ecb3fe4602dcf68be0baf7ae89e966a9ddf84a8cf04a35de4d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d2bc670663ecb3fe4602dcf68be0baf7ae89e966a9ddf84a8cf04a35de4d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2bc670663ecb3fe4602dcf68be0baf7ae89e966a9ddf84a8cf04a35de4d171", kill_on_drop: false }`
[INFO] [stdout] 8d2bc670663ecb3fe4602dcf68be0baf7ae89e966a9ddf84a8cf04a35de4d171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c3aa0c7a22f3edfcbc9f5803021da9eb5d6432575e0942735f60da5941d9fa
[INFO] running `Command { std: "docker" "start" "-a" "b0c3aa0c7a22f3edfcbc9f5803021da9eb5d6432575e0942735f60da5941d9fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling rustbreak v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "b0c3aa0c7a22f3edfcbc9f5803021da9eb5d6432575e0942735f60da5941d9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c3aa0c7a22f3edfcbc9f5803021da9eb5d6432575e0942735f60da5941d9fa", kill_on_drop: false }`
[INFO] [stdout] b0c3aa0c7a22f3edfcbc9f5803021da9eb5d6432575e0942735f60da5941d9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47c7cd76794b5c68275a55668656f84be182e471c3ed4ebb6516912590dda95
[INFO] running `Command { std: "docker" "start" "-a" "c47c7cd76794b5c68275a55668656f84be182e471c3ed4ebb6516912590dda95", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling rustbreak v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `rustbreak::deser::Ron`, `rustbreak::deser::Yaml`
[INFO] [stdout]   --> examples/switching.rs:4:24
[INFO] [stdout]    |
[INFO] [stdout] 4  | use rustbreak::deser::{Ron, Yaml};
[INFO] [stdout]    |                        ^^^  ^^^^ no `Yaml` in `deser`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        no `Ron` in `deser`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/deser.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::ron::Ron;
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/deser.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use self::yaml::Yaml;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    = note: the item is gated behind the `yaml_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rustbreak::deser::Ron`
[INFO] [stdout]   --> examples/config.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rustbreak::deser::Ron;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no `Ron` in `deser`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/deser.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::ron::Ron;
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `rustbreak::deser::Bincode`, `rustbreak::deser::Ron`, `rustbreak::deser::Yaml`
[INFO] [stdout]   --> tests/integration_tests.rs:2:24
[INFO] [stdout]    |
[INFO] [stdout] 2  | use rustbreak::deser::{Bincode, DeSerializer, Ron, Yaml};
[INFO] [stdout]    |                        ^^^^^^^                ^^^  ^^^^ no `Yaml` in `deser`
[INFO] [stdout]    |                        |                      |
[INFO] [stdout]    |                        |                      no `Ron` in `deser`
[INFO] [stdout]    |                        no `Bincode` in `deser`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/deser.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::bincode::Bincode;
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `bin_enc` feature
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/deser.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::ron::Ron;
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/deser.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use self::yaml::Yaml;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    = note: the item is gated behind the `yaml_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rustbreak::MmapDatabase`
[INFO] [stdout]    --> tests/integration_tests.rs:3:57
[INFO] [stdout]     |
[INFO] [stdout] 3   | use rustbreak::{Database, FileDatabase, MemoryDatabase, MmapDatabase, PathDatabase};
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^
[INFO] [stdout]     |                                                         |
[INFO] [stdout]     |                                                         no `MmapDatabase` in the root
[INFO] [stdout]     |                                                         help: a similar name exists in the module: `FileDatabase`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:926:10
[INFO] [stdout]     |
[INFO] [stdout] 926 | pub type MmapDatabase<D, DS> = Database<D, MmapStorage, DS>;
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `mmap` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rustbreak::deser::Ron`
[INFO] [stdout]   --> examples/full.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use rustbreak::deser::Ron;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no `Ron` in `deser`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/deser.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::ron::Ron;
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Deserialize` in `serde`
[INFO] [stdout]     --> src/lib.rs:1027:46
[INFO] [stdout]      |
[INFO] [stdout] 1027 |     #[derive(Clone, Debug, Serialize, serde::Deserialize)]
[INFO] [stdout]      |                                              ^^^^^^^^^^^ could not find `Deserialize` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]     --> src/lib.rs:1027:28
[INFO] [stdout]      |
[INFO] [stdout] 1027 |     #[derive(Clone, Debug, Serialize, serde::Deserialize)]
[INFO] [stdout]      |                            ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]     --> src/lib.rs:1011:9
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     use super::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]      |
[INFO] [stdout] 1011 +     use serde_derive::Serialize;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustbreak` (example "config") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]     --> src/lib.rs:1275:13
[INFO] [stdout]      |
[INFO] [stdout] 1275 |             ron::de::from_reader(&backend.get_data().expect("could not get data from backend")[..])
[INFO] [stdout]      |             ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustbreak` (test "integration_tests") due to 3 previous errors
[INFO] [stdout] error[E0412]: cannot find type `Ron` in module `crate::deser`
[INFO] [stdout]     --> src/lib.rs:1016:58
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     type TestDb<B> = Database<TestData, B, crate::deser::Ron>;
[INFO] [stdout]      |                                                          ^^^ not found in `crate::deser`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> src/deser.rs:11:20
[INFO] [stdout]      |
[INFO] [stdout] 11   | pub use self::ron::Ron;
[INFO] [stdout]      |                    ^^^
[INFO] [stdout]      = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ron` in module `crate::deser`
[INFO] [stdout]     --> src/lib.rs:1293:54
[INFO] [stdout]      |
[INFO] [stdout] 1293 |             MemoryDatabase::<Vec<u64>, crate::deser::Ron>::memory(vec![]).expect("To be created");
[INFO] [stdout]      |                                                      ^^^ not found in `crate::deser`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> src/deser.rs:11:20
[INFO] [stdout]      |
[INFO] [stdout] 11   | pub use self::ron::Ron;
[INFO] [stdout]      |                    ^^^
[INFO] [stdout]      = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ron` in module `crate::deser`
[INFO] [stdout]     --> src/lib.rs:1341:69
[INFO] [stdout]      |
[INFO] [stdout] 1341 |         let _ = Database::<PanicDefault, PathBackend, crate::deser::Ron>::load_from_path_or_default(
[INFO] [stdout]      |                                                                     ^^^ not found in `crate::deser`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> src/deser.rs:11:20
[INFO] [stdout]      |
[INFO] [stdout] 11   | pub use self::ron::Ron;
[INFO] [stdout]      |                    ^^^
[INFO] [stdout]      = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ron` in module `crate::deser`
[INFO] [stdout]     --> src/lib.rs:1352:69
[INFO] [stdout]      |
[INFO] [stdout] 1352 |         let _ = Database::<PanicDefault, FileBackend, crate::deser::Ron>::load_from_path_or_default(
[INFO] [stdout]      |                                                                     ^^^ not found in `crate::deser`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> src/deser.rs:11:20
[INFO] [stdout]      |
[INFO] [stdout] 11   | pub use self::ron::Ron;
[INFO] [stdout]      |                    ^^^
[INFO] [stdout]      = note: the item is gated behind the `ron_enc` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustbreak` (example "full") due to 2 previous errors
[INFO] [stderr] error: could not compile `rustbreak` (example "switching") due to 2 previous errors
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustbreak` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "c47c7cd76794b5c68275a55668656f84be182e471c3ed4ebb6516912590dda95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47c7cd76794b5c68275a55668656f84be182e471c3ed4ebb6516912590dda95", kill_on_drop: false }`
[INFO] [stdout] c47c7cd76794b5c68275a55668656f84be182e471c3ed4ebb6516912590dda95
