[INFO] cloning repository void4/rarust
[INFO] running `"git" "clone" "--bare" "git://github.com/void4/rarust.git" "work/cache/sources/gh/void4/rarust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/void4/rarust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/void4/rarust" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/void4/rarust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/void4/rarust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/void4/rarust" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/void4/rarust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/void4/rarust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c60aa3fc33a619ce26bb01d888c316ff573ddf5
[INFO] sha for GitHub repo void4/rarust: 3c60aa3fc33a619ce26bb01d888c316ff573ddf5
[INFO] validating manifest of void4/rarust on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of void4/rarust on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing void4/rarust
[INFO] finished frobbing void4/rarust
[INFO] frobbed toml for void4/rarust written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/void4/rarust/Cargo.toml
[INFO] started frobbing void4/rarust
[INFO] finished frobbing void4/rarust
[INFO] frobbed toml for void4/rarust written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/void4/rarust/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking void4/rarust against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/void4/rarust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ebe2353f404f9626ba02f256d404cd5cebc0fa2b4aca1ca23538e79197725c8e
[INFO] running `"docker" "start" "-a" "ebe2353f404f9626ba02f256d404cd5cebc0fa2b4aca1ca23538e79197725c8e"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]    --> src/main.rs:756:5
[INFO] [stderr]     |
[INFO] [stderr] 756 | use std::io::Cursor;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WriteBytesExt`
[INFO] [stderr]    --> src/main.rs:757:39
[INFO] [stderr]     |
[INFO] [stderr] 757 | use byteorder::{ByteOrder, BigEndian, WriteBytesExt, ReadBytesExt};
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]    --> src/main.rs:756:5
[INFO] [stderr]     |
[INFO] [stderr] 756 | use std::io::Cursor;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WriteBytesExt`
[INFO] [stderr]    --> src/main.rs:757:39
[INFO] [stderr]     |
[INFO] [stderr] 757 | use byteorder::{ByteOrder, BigEndian, WriteBytesExt, ReadBytesExt};
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ReadBytesExt`
[INFO] [stderr]    --> src/main.rs:757:54
[INFO] [stderr]     |
[INFO] [stderr] 757 | use byteorder::{ByteOrder, BigEndian, WriteBytesExt, ReadBytesExt};
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ReadBytesExt`
[INFO] [stderr]    --> src/main.rs:757:54
[INFO] [stderr]     |
[INFO] [stderr] 757 | use byteorder::{ByteOrder, BigEndian, WriteBytesExt, ReadBytesExt};
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:809:9
[INFO] [stderr]     |
[INFO] [stderr] 809 |     let mut sharp: Process = d(&flat);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/main.rs:681:5
[INFO] [stderr]     |
[INFO] [stderr] 681 |     fn get(&self, key: u64) -> fn(&mut Process) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr] warning: function `writeHelloBin` should have a snake case name
[INFO] [stderr]    --> src/main.rs:759:4
[INFO] [stderr]    --> src/main.rs:809:9
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr] 759 | fn writeHelloBin() {
[INFO] [stderr] 809 |     let mut sharp: Process = d(&flat);
[INFO] [stderr]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `write_hello_bin`
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/main.rs:681:5
[INFO] [stderr]     |
[INFO] [stderr] 681 |     fn get(&self, key: u64) -> fn(&mut Process) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `writeHelloBin` should have a snake case name
[INFO] [stderr]    --> src/main.rs:759:4
[INFO] [stderr]     |
[INFO] [stderr] 759 | fn writeHelloBin() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `write_hello_bin`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "ebe2353f404f9626ba02f256d404cd5cebc0fa2b4aca1ca23538e79197725c8e"`
[INFO] running `"docker" "rm" "-f" "ebe2353f404f9626ba02f256d404cd5cebc0fa2b4aca1ca23538e79197725c8e"`
[INFO] [stdout] ebe2353f404f9626ba02f256d404cd5cebc0fa2b4aca1ca23538e79197725c8e