[INFO] fetching crate lockchain-core 0.9.0...
[INFO] checking lockchain-core-0.9.0 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate lockchain-core 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lockchain-core 0.9.0 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lockchain-core 0.9.0
[INFO] finished tweaking crates.io crate lockchain-core 0.9.0
[INFO] tweaked toml for crates.io crate lockchain-core 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d3907b8c9ecfa8222aa9afc90a0a1323d38b3b22a8805f5fe01bde09cffc2d5
[INFO] running `"docker" "start" "-a" "6d3907b8c9ecfa8222aa9afc90a0a1323d38b3b22a8805f5fe01bde09cffc2d5"`
[INFO] [stderr]     Checking lockchain-core v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn load(path: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits.rs:90:50
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn save(&self, path: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn load(path: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits.rs:90:50
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn save(&self, path: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/users/auth.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |             println!("{:#?}", e.cause());
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/users/auth.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 |             println!("{:#?}", e.cause());
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/users/auth.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |             println!("{:#?}", e.cause());
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/users/auth.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 |             println!("{:#?}", e.cause());
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Access`, `Role`, `UserStore`
[INFO] [stderr]   --> examples/user_registry.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 | use lockchain::users::{User, UserStore, Access, Role};
[INFO] [stderr]    |                              ^^^^^^^^^  ^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `me`
[INFO] [stderr]   --> examples/user_registry.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let me = User::register(username, password);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_me`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vault`
[INFO] [stderr]   --> examples/user_registry.rs:29:38
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn register<V: Vault<EncryptedBody>>(vault: &mut V, username: &str, password: &str) {
[INFO] [stderr]    |                                      ^^^^^ help: consider prefixing with an underscore: `_vault`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `register`
[INFO] [stderr]   --> examples/user_registry.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn register<V: Vault<EncryptedBody>>(vault: &mut V, username: &str, password: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `"docker" "inspect" "6d3907b8c9ecfa8222aa9afc90a0a1323d38b3b22a8805f5fe01bde09cffc2d5"`
[INFO] running `"docker" "rm" "-f" "6d3907b8c9ecfa8222aa9afc90a0a1323d38b3b22a8805f5fe01bde09cffc2d5"`
[INFO] [stdout] 6d3907b8c9ecfa8222aa9afc90a0a1323d38b3b22a8805f5fe01bde09cffc2d5