[INFO] updating cached repository TymurKhr/smt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TymurKhr/smt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TymurKhr/smt" "work/ex/beta-1.37-6/sources/1.36.0/gh/TymurKhr/smt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/TymurKhr/smt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TymurKhr/smt" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TymurKhr/smt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TymurKhr/smt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df8ee8735645059e68487c81ed521bd65401ae1d
[INFO] sha for GitHub repo TymurKhr/smt: df8ee8735645059e68487c81ed521bd65401ae1d
[INFO] validating manifest of TymurKhr/smt 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 TymurKhr/smt 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 TymurKhr/smt
[INFO] finished frobbing TymurKhr/smt
[INFO] frobbed toml for TymurKhr/smt written to work/ex/beta-1.37-6/sources/1.36.0/gh/TymurKhr/smt/Cargo.toml
[INFO] started frobbing TymurKhr/smt
[INFO] finished frobbing TymurKhr/smt
[INFO] frobbed toml for TymurKhr/smt written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TymurKhr/smt/Cargo.toml
[INFO] crate TymurKhr/smt already has a lockfile, it will not be regenerated
[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 TymurKhr/smt against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TymurKhr/smt:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f07afc19fc2a52256e7458232a785a316a3879e422eb1b82d884479c048f5cb1
[INFO] running `"docker" "start" "-a" "f07afc19fc2a52256e7458232a785a316a3879e422eb1b82d884479c048f5cb1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling smt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:69:15
[INFO] [stderr]    |
[INFO] [stderr] 69 |     hash: Box<Fn(&[u8]) -> Vec<u8>>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[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/tree.rs:73:38
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn new(c: Vec<u8>, hash: Box<Fn(&[u8]) -> Vec<u8>>) -> SMT {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:216:30
[INFO] [stderr]     |
[INFO] [stderr] 216 | fn _interior_hash(hash: &Box<Fn(&[u8]) -> Vec<u8>>, left: &[u8], right: &[u8], height: u64, base: &[u8]) -> Vec<u8> {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:229:26
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn _leaf_hash(hash: &Box<Fn(&[u8]) -> Vec<u8>>, c: &[u8], a: &[u8], base: &[u8]) -> Vec<u8> {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `split`
[INFO] [stderr]   --> src/cache.rs:56:83
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn hash_cache(&mut self, left: &[u8], right: &[u8], height: u64, base: &[u8], split: &[u8],
[INFO] [stderr]    |                                                                                   ^^^^^ help: consider prefixing with an underscore: `_split`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize::hex::ToHex`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rustc_serialize::hex::ToHex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:65
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn digest_adapter(algorithm: &'static digest::Algorithm) -> Box<Fn(&[u8])->Vec<u8>>{
[INFO] [stderr]   |                                                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8])->Vec<u8>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `"docker" "inspect" "f07afc19fc2a52256e7458232a785a316a3879e422eb1b82d884479c048f5cb1"`
[INFO] running `"docker" "rm" "-f" "f07afc19fc2a52256e7458232a785a316a3879e422eb1b82d884479c048f5cb1"`
[INFO] [stdout] f07afc19fc2a52256e7458232a785a316a3879e422eb1b82d884479c048f5cb1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TymurKhr/smt:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 42814e028c63cdf11e1d11c13d4a406586a5e5a2fd868cbbb168d6dd377b116f
[INFO] running `"docker" "start" "-a" "42814e028c63cdf11e1d11c13d4a406586a5e5a2fd868cbbb168d6dd377b116f"`
[INFO] [stderr]    Compiling smt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rustc_serialize::hex::ToHex`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rustc_serialize::hex::ToHex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:65
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn digest_adapter(algorithm: &'static digest::Algorithm) -> Box<Fn(&[u8])->Vec<u8>>{
[INFO] [stderr]   |                                                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8])->Vec<u8>`
[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/tree.rs:69:15
[INFO] [stderr]    |
[INFO] [stderr] 69 |     hash: Box<Fn(&[u8]) -> Vec<u8>>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[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/tree.rs:73:38
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn new(c: Vec<u8>, hash: Box<Fn(&[u8]) -> Vec<u8>>) -> SMT {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:216:30
[INFO] [stderr]     |
[INFO] [stderr] 216 | fn _interior_hash(hash: &Box<Fn(&[u8]) -> Vec<u8>>, left: &[u8], right: &[u8], height: u64, base: &[u8]) -> Vec<u8> {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:229:26
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn _leaf_hash(hash: &Box<Fn(&[u8]) -> Vec<u8>>, c: &[u8], a: &[u8], base: &[u8]) -> Vec<u8> {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `split`
[INFO] [stderr]   --> src/cache.rs:56:83
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn hash_cache(&mut self, left: &[u8], right: &[u8], height: u64, base: &[u8], split: &[u8],
[INFO] [stderr]    |                                                                                   ^^^^^ help: consider prefixing with an underscore: `_split`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "42814e028c63cdf11e1d11c13d4a406586a5e5a2fd868cbbb168d6dd377b116f"`
[INFO] running `"docker" "rm" "-f" "42814e028c63cdf11e1d11c13d4a406586a5e5a2fd868cbbb168d6dd377b116f"`
[INFO] [stdout] 42814e028c63cdf11e1d11c13d4a406586a5e5a2fd868cbbb168d6dd377b116f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TymurKhr/smt:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 88073bf34f6839a06ae69992a70e7debdcac69dd287f3357d7b28e30c16fb684
[INFO] running `"docker" "start" "-a" "88073bf34f6839a06ae69992a70e7debdcac69dd287f3357d7b28e30c16fb684"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smt-c0ba9d5630a4cfbe
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smt-e3ae56c4702a3627
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smt
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "88073bf34f6839a06ae69992a70e7debdcac69dd287f3357d7b28e30c16fb684"`
[INFO] running `"docker" "rm" "-f" "88073bf34f6839a06ae69992a70e7debdcac69dd287f3357d7b28e30c16fb684"`
[INFO] [stdout] 88073bf34f6839a06ae69992a70e7debdcac69dd287f3357d7b28e30c16fb684