[INFO] updating cached repository FauxFaux/upiped-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FauxFaux/upiped-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/upiped-rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/FauxFaux/upiped-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/FauxFaux/upiped-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/upiped-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/FauxFaux/upiped-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/FauxFaux/upiped-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 97d2973b072f954955353f292e730858eeb51d71
[INFO] sha for GitHub repo FauxFaux/upiped-rs: 97d2973b072f954955353f292e730858eeb51d71
[INFO] validating manifest of FauxFaux/upiped-rs on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FauxFaux/upiped-rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FauxFaux/upiped-rs
[INFO] finished frobbing FauxFaux/upiped-rs
[INFO] frobbed toml for FauxFaux/upiped-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/FauxFaux/upiped-rs/Cargo.toml
[INFO] started frobbing FauxFaux/upiped-rs
[INFO] finished frobbing FauxFaux/upiped-rs
[INFO] frobbed toml for FauxFaux/upiped-rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/FauxFaux/upiped-rs/Cargo.toml
[INFO] crate FauxFaux/upiped-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking FauxFaux/upiped-rs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/FauxFaux/upiped-rs:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eb0f201d716f76aca3b7c037f0ab1c30d3389686e9da70bcce8e2db75874a3df
[INFO] running `"docker" "start" "-a" "eb0f201d716f76aca3b7c037f0ab1c30d3389686e9da70bcce8e2db75874a3df"`
[INFO] [stderr]    Compiling subtle v0.6.3
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling digest v0.7.5
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling curve25519-dalek v0.17.0
[INFO] [stderr]     Checking x25519-dalek v0.2.0 (https://github.com/mcginty/x25519-dalek?rev=715208e0eba9994799adb674629ec45dcaa9348e#715208e0)
[INFO] [stderr]     Checking upiped-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/client/mod.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `addr`
[INFO] [stderr]   --> src/client/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     addr: net::SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MTU`
[INFO] [stderr]   --> src/proto/mod.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const MTU: usize = 508;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `KeyId`
[INFO] [stderr]   --> src/proto/mod.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | type KeyId = u32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PLAINTEXT_LEN`
[INFO] [stderr]   --> src/proto/mod.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | const PLAINTEXT_LEN: usize = 476;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_USER_DATA`
[INFO] [stderr]   --> src/proto/mod.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | const MAX_USER_DATA: usize = PLAINTEXT_LEN - 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Key`
[INFO] [stderr]   --> src/proto/mod.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | type Key = [u8; 32];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Keys`
[INFO] [stderr]   --> src/proto/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | type Keys = HashMap<KeyId, Key>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pack`
[INFO] [stderr]   --> src/proto/mod.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn pack(key_id: KeyId, keys: &Keys, data: &[u8]) -> Result<[u8; MTU], Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Padding`
[INFO] [stderr]   --> src/proto/mod.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Padding = 64,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_opcode`
[INFO] [stderr]   --> src/proto/mod.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn write_opcode(into: &mut [u8], code: OpCode, frame_len: usize) -> Result<(), Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/client/mod.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `addr`
[INFO] [stderr]   --> src/client/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     addr: net::SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `"docker" "inspect" "eb0f201d716f76aca3b7c037f0ab1c30d3389686e9da70bcce8e2db75874a3df"`
[INFO] running `"docker" "rm" "-f" "eb0f201d716f76aca3b7c037f0ab1c30d3389686e9da70bcce8e2db75874a3df"`
[INFO] [stdout] eb0f201d716f76aca3b7c037f0ab1c30d3389686e9da70bcce8e2db75874a3df