[INFO] updating cached repository NathanFrasier/rust-rep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NathanFrasier/rust-rep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NathanFrasier/rust-rep" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/NathanFrasier/rust-rep"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/NathanFrasier/rust-rep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NathanFrasier/rust-rep" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/NathanFrasier/rust-rep"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/NathanFrasier/rust-rep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 206db942fb56c9936f7ac78cc417ae4351a738bb
[INFO] sha for GitHub repo NathanFrasier/rust-rep: 206db942fb56c9936f7ac78cc417ae4351a738bb
[INFO] validating manifest of NathanFrasier/rust-rep on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of NathanFrasier/rust-rep on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing NathanFrasier/rust-rep
[INFO] finished frobbing NathanFrasier/rust-rep
[INFO] frobbed toml for NathanFrasier/rust-rep written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/NathanFrasier/rust-rep/Cargo.toml
[INFO] started frobbing NathanFrasier/rust-rep
[INFO] finished frobbing NathanFrasier/rust-rep
[INFO] frobbed toml for NathanFrasier/rust-rep written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/NathanFrasier/rust-rep/Cargo.toml
[INFO] crate NathanFrasier/rust-rep has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking NathanFrasier/rust-rep against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/NathanFrasier/rust-rep:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1d68eb615c1a67e8b07ef78209a44fa077e6909711a506c034d310c5f3d3c6f5
[INFO] running `"docker" "start" "-a" "1d68eb615c1a67e8b07ef78209a44fa077e6909711a506c034d310c5f3d3c6f5"`
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking rust_rep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stderr]    |          ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection`
[INFO] [stderr]   --> src/main.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stderr]    |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_info`
[INFO] [stderr]   --> src/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_server_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection`
[INFO] [stderr]   --> src/main.rs:71:27
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: consider prefixing with an underscore: `_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:71:44
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |                                            ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_info`
[INFO] [stderr]   --> src/main.rs:75:10
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stderr]    |          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_server_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:75:28
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stderr]    |                            ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stderr]    |          ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection`
[INFO] [stderr]   --> src/main.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stderr]    |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_info`
[INFO] [stderr]   --> src/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_server_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection`
[INFO] [stderr]   --> src/main.rs:71:27
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: consider prefixing with an underscore: `_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:71:44
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |                                            ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_info`
[INFO] [stderr]   --> src/main.rs:75:10
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stderr]    |          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_server_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:75:28
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stderr]    |                            ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `"docker" "inspect" "1d68eb615c1a67e8b07ef78209a44fa077e6909711a506c034d310c5f3d3c6f5"`
[INFO] running `"docker" "rm" "-f" "1d68eb615c1a67e8b07ef78209a44fa077e6909711a506c034d310c5f3d3c6f5"`
[INFO] [stdout] 1d68eb615c1a67e8b07ef78209a44fa077e6909711a506c034d310c5f3d3c6f5