[INFO] updating cached repository sjbaker47/rust-nslookup [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sjbaker47/rust-nslookup [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sjbaker47/rust-nslookup" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sjbaker47/rust-nslookup"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sjbaker47/rust-nslookup'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sjbaker47/rust-nslookup" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sjbaker47/rust-nslookup"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sjbaker47/rust-nslookup'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1ae35cc62e1c2401b077b320cb2d3404b02b40cb [INFO] sha for GitHub repo sjbaker47/rust-nslookup: 1ae35cc62e1c2401b077b320cb2d3404b02b40cb [INFO] validating manifest of sjbaker47/rust-nslookup on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sjbaker47/rust-nslookup on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sjbaker47/rust-nslookup [INFO] finished frobbing sjbaker47/rust-nslookup [INFO] frobbed toml for sjbaker47/rust-nslookup written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sjbaker47/rust-nslookup/Cargo.toml [INFO] started frobbing sjbaker47/rust-nslookup [INFO] finished frobbing sjbaker47/rust-nslookup [INFO] frobbed toml for sjbaker47/rust-nslookup written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sjbaker47/rust-nslookup/Cargo.toml [INFO] crate sjbaker47/rust-nslookup already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sjbaker47/rust-nslookup against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sjbaker47/rust-nslookup:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f3fd141cd451d67e18326da50d6f367e1f2414686ba079ae4b9d69c622369007 [INFO] running `"docker" "start" "-a" "f3fd141cd451d67e18326da50d6f367e1f2414686ba079ae4b9d69c622369007"` [INFO] [stderr] Checking nslookup v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/protocol/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::str; [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/main.rs:21:54 [INFO] [stderr] | [INFO] [stderr] 21 | fn run(hostname : String) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Cursor` [INFO] [stderr] --> src/protocol/name.rs:114:40 [INFO] [stderr] | [INFO] [stderr] 114 | let decoded = decode_name_rdr(&mut Cursor::new(&buf)).unwrap(); [INFO] [stderr] | ^^^^^^ use of undeclared type or module `Cursor` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Cursor` [INFO] [stderr] --> src/protocol/name.rs:119:40 [INFO] [stderr] | [INFO] [stderr] 119 | let decoded = decode_name_rdr(&mut Cursor::new(&buf)).unwrap(); [INFO] [stderr] | ^^^^^^ use of undeclared type or module `Cursor` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `decode_name` in this scope [INFO] [stderr] --> src/protocol/name.rs:101:19 [INFO] [stderr] | [INFO] [stderr] 101 | let decoded = decode_name(&buf); [INFO] [stderr] | ^^^^^^^^^^^ help: a function with a similar name exists: `encode_name` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `decode_name` in this scope [INFO] [stderr] --> src/protocol/name.rs:106:19 [INFO] [stderr] | [INFO] [stderr] 106 | let decoded = decode_name(&buf); [INFO] [stderr] | ^^^^^^^^^^^ help: a function with a similar name exists: `encode_name` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/protocol/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::str; [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/main.rs:21:54 [INFO] [stderr] | [INFO] [stderr] 21 | fn run(hostname : String) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/protocol/mod.rs:157:13 [INFO] [stderr] | [INFO] [stderr] 157 | for i in 0..nquestions { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/protocol/mod.rs:166:13 [INFO] [stderr] | [INFO] [stderr] 166 | for i in 0..nanswers { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: Could not compile `nslookup`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f3fd141cd451d67e18326da50d6f367e1f2414686ba079ae4b9d69c622369007"` [INFO] running `"docker" "rm" "-f" "f3fd141cd451d67e18326da50d6f367e1f2414686ba079ae4b9d69c622369007"` [INFO] [stdout] f3fd141cd451d67e18326da50d6f367e1f2414686ba079ae4b9d69c622369007