[INFO] updating cached repository https://github.com/TymurKhr/smt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df8ee8735645059e68487c81ed521bd65401ae1d
[INFO] testing TymurKhr/smt against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTymurKhr%2Fsmt" "work/builds/worker-11/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TymurKhr/smt on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TymurKhr/smt
[INFO] finished tweaking git repo https://github.com/TymurKhr/smt
[INFO] tweaked toml for git repo https://github.com/TymurKhr/smt written to work/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/TymurKhr/smt already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 32daeacd2e0042e794ea545c5b496117c8345e97f72d83152e1d6c39579a2799
[INFO] running `"docker" "start" "-a" "32daeacd2e0042e794ea545c5b496117c8345e97f72d83152e1d6c39579a2799"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling smt v0.1.0 (/opt/rustwide/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 5.75s
[INFO] running `"docker" "inspect" "32daeacd2e0042e794ea545c5b496117c8345e97f72d83152e1d6c39579a2799"`
[INFO] running `"docker" "rm" "-f" "32daeacd2e0042e794ea545c5b496117c8345e97f72d83152e1d6c39579a2799"`
[INFO] [stdout] 32daeacd2e0042e794ea545c5b496117c8345e97f72d83152e1d6c39579a2799
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c62805239a721ae281e9e8aaed5be4f5838d41d89f9a200e0ddd7c052f38f0b8
[INFO] running `"docker" "start" "-a" "c62805239a721ae281e9e8aaed5be4f5838d41d89f9a200e0ddd7c052f38f0b8"`
[INFO] [stderr]    Compiling smt v0.1.0 (/opt/rustwide/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 1.03s
[INFO] running `"docker" "inspect" "c62805239a721ae281e9e8aaed5be4f5838d41d89f9a200e0ddd7c052f38f0b8"`
[INFO] running `"docker" "rm" "-f" "c62805239a721ae281e9e8aaed5be4f5838d41d89f9a200e0ddd7c052f38f0b8"`
[INFO] [stdout] c62805239a721ae281e9e8aaed5be4f5838d41d89f9a200e0ddd7c052f38f0b8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 90aae6001bdb05964088ce3ef3669ff5e762ed074ed2cff06edd457a707325be
[INFO] running `"docker" "start" "-a" "90aae6001bdb05964088ce3ef3669ff5e762ed074ed2cff06edd457a707325be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smt-d28f3bd3375d3455
[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/rustwide/target/debug/deps/smt-3428f57bf1d03230
[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" "90aae6001bdb05964088ce3ef3669ff5e762ed074ed2cff06edd457a707325be"`
[INFO] running `"docker" "rm" "-f" "90aae6001bdb05964088ce3ef3669ff5e762ed074ed2cff06edd457a707325be"`
[INFO] [stdout] 90aae6001bdb05964088ce3ef3669ff5e762ed074ed2cff06edd457a707325be