[INFO] updating cached repository https://github.com/sjbaker47/rust-nslookup [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 1ae35cc62e1c2401b077b320cb2d3404b02b40cb [INFO] checking sjbaker47/rust-nslookup against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbaker47%2Frust-nslookup" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjbaker47/rust-nslookup on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sjbaker47/rust-nslookup [INFO] finished tweaking git repo https://github.com/sjbaker47/rust-nslookup [INFO] tweaked toml for git repo https://github.com/sjbaker47/rust-nslookup written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sjbaker47/rust-nslookup already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] cbbfb1b03fb9c3ca9c05e7553fcbab2a85beaf3a9c5b6515f317157d3abd59e9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "cbbfb1b03fb9c3ca9c05e7553fcbab2a85beaf3a9c5b6515f317157d3abd59e9"` [INFO] [stderr] Checking libc v0.2.18 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking nslookup v0.1.0 (/opt/rustwide/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] 37 | pub fn encode_name(name : &str) -> Vec { [INFO] [stderr] | ------------------------------------------ similarly named function `encode_name` defined here [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] 37 | pub fn encode_name(name : &str) -> Vec { [INFO] [stderr] | ------------------------------------------ similarly named function `encode_name` defined here [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 variable: `i` [INFO] [stderr] --> src/protocol/mod.rs:157:13 [INFO] [stderr] | [INFO] [stderr] 157 | for i in 0..nquestions { [INFO] [stderr] | ^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors; 2 warnings emitted [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] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "cbbfb1b03fb9c3ca9c05e7553fcbab2a85beaf3a9c5b6515f317157d3abd59e9"` [INFO] running `"docker" "rm" "-f" "cbbfb1b03fb9c3ca9c05e7553fcbab2a85beaf3a9c5b6515f317157d3abd59e9"` [INFO] [stdout] cbbfb1b03fb9c3ca9c05e7553fcbab2a85beaf3a9c5b6515f317157d3abd59e9