[INFO] fetching crate lockchain-core 0.9.0...
[INFO] testing lockchain-core-0.9.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate lockchain-core 0.9.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lockchain-core 0.9.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa5a9bd4e166c044c210a224863412cc08cf0682b9dc03288161a69284eaf26f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa5a9bd4e166c044c210a224863412cc08cf0682b9dc03288161a69284eaf26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa5a9bd4e166c044c210a224863412cc08cf0682b9dc03288161a69284eaf26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5a9bd4e166c044c210a224863412cc08cf0682b9dc03288161a69284eaf26f", kill_on_drop: false }`
[INFO] [stdout] aa5a9bd4e166c044c210a224863412cc08cf0682b9dc03288161a69284eaf26f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eacbfd3f53c1aa9357ba8dd0fe08fdc463bc664215154e45e51780a431e5fedc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eacbfd3f53c1aa9357ba8dd0fe08fdc463bc664215154e45e51780a431e5fedc", kill_on_drop: false }`
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling pam-sys v0.5.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling users v0.5.3
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling blowfish v0.4.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling hmac v0.6.3
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling pam-auth v0.5.5
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling bcrypt v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling keybob v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling lockchain-core v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(external_doc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn load(path: &str) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:90:50
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn save(&self, path: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/users/auth.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 |             println!("{}", e.description());
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/users/auth.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |             println!("{:#?}", e.cause());
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/users/auth.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 |             println!("{}", e.description());
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/users/auth.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 |             println!("{:#?}", e.cause());
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lockchain-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "eacbfd3f53c1aa9357ba8dd0fe08fdc463bc664215154e45e51780a431e5fedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacbfd3f53c1aa9357ba8dd0fe08fdc463bc664215154e45e51780a431e5fedc", kill_on_drop: false }`
[INFO] [stdout] eacbfd3f53c1aa9357ba8dd0fe08fdc463bc664215154e45e51780a431e5fedc
