[INFO] crate enigma 0.0.2 is already in cache
[INFO] testing enigma-0.0.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate enigma 0.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate enigma 0.0.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate enigma 0.0.2
[INFO] finished tweaking crates.io crate enigma 0.0.2
[INFO] tweaked toml for crates.io crate enigma 0.0.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f46e67c6fb10d06bd6c5fa7d9d18dfcf59be32c9f65b27b8f0511bca1d596baa
[INFO] running `"docker" "start" "-a" "f46e67c6fb10d06bd6c5fa7d9d18dfcf59be32c9f65b27b8f0511bca1d596baa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling enigma v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/hashes/md2.rs:96:33
[INFO] [stderr]    |
[INFO] [stderr] 96 |             let n = min(in_len, (16 - self.cur_len));
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Vec` is imported redundantly
[INFO] [stderr]   --> src/hashes/mod.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         use std::vec::Vec;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/hashes/md4.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set_input(&mut self, input: &[u8]) {
[INFO] [stderr]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "f46e67c6fb10d06bd6c5fa7d9d18dfcf59be32c9f65b27b8f0511bca1d596baa"`
[INFO] running `"docker" "rm" "-f" "f46e67c6fb10d06bd6c5fa7d9d18dfcf59be32c9f65b27b8f0511bca1d596baa"`
[INFO] [stdout] f46e67c6fb10d06bd6c5fa7d9d18dfcf59be32c9f65b27b8f0511bca1d596baa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db864390ba9476b82aa690864bf2cf83e1757c6740dbde75d485522b40164f10
[INFO] running `"docker" "start" "-a" "db864390ba9476b82aa690864bf2cf83e1757c6740dbde75d485522b40164f10"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling enigma v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/hashes/md2.rs:96:33
[INFO] [stderr]    |
[INFO] [stderr] 96 |             let n = min(in_len, (16 - self.cur_len));
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Vec` is imported redundantly
[INFO] [stderr]   --> src/hashes/mod.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         use std::vec::Vec;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/hashes/md4.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set_input(&mut self, input: &[u8]) {
[INFO] [stderr]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/hashes/md2.rs:96:33
[INFO] [stderr]    |
[INFO] [stderr] 96 |             let n = min(in_len, (16 - self.cur_len));
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Vec` is imported redundantly
[INFO] [stderr]   --> src/hashes/mod.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         use std::vec::Vec;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hashes/mod.rs:91:41
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn perform_hash_test(hash: &mut HashFunction, test: &HashTestCase) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn HashFunction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_elem` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]   --> src/hashes/mod.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut result = Vec::from_elem(hash.get_output_length(), 0u8);
[INFO] [stderr]    |                               ^^^^^^^^^ function or associated item not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/hashes/mod.rs:115:28
[INFO] [stderr]     |
[INFO] [stderr] 115 |         assert!(result_str.as_slice() == test.output_str);
[INFO] [stderr]     |                            ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `enigma`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "db864390ba9476b82aa690864bf2cf83e1757c6740dbde75d485522b40164f10"`
[INFO] running `"docker" "rm" "-f" "db864390ba9476b82aa690864bf2cf83e1757c6740dbde75d485522b40164f10"`
[INFO] [stdout] db864390ba9476b82aa690864bf2cf83e1757c6740dbde75d485522b40164f10