[INFO] cloning repository https://github.com/sjbaker47/rust-nslookup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjbaker47/rust-nslookup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbaker47%2Frust-nslookup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbaker47%2Frust-nslookup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ae35cc62e1c2401b077b320cb2d3404b02b40cb
[INFO] building sjbaker47/rust-nslookup against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbaker47%2Frust-nslookup" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjbaker47/rust-nslookup on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sjbaker47/rust-nslookup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9680c53a617175879b128815887adce8479783069dec8a2bb949eb5e7f950fc1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9680c53a617175879b128815887adce8479783069dec8a2bb949eb5e7f950fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9680c53a617175879b128815887adce8479783069dec8a2bb949eb5e7f950fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9680c53a617175879b128815887adce8479783069dec8a2bb949eb5e7f950fc1", kill_on_drop: false }`
[INFO] [stdout] 9680c53a617175879b128815887adce8479783069dec8a2bb949eb5e7f950fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e27b70c151deb2ce0cae5f1c9c90393f7c033069382b1bd2e1ed6e7a3d2d85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54e27b70c151deb2ce0cae5f1c9c90393f7c033069382b1bd2e1ed6e7a3d2d85", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling nslookup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/protocol/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:54
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn run(hostname : String) -> Result<DnsResponse, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/protocol/mod.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         for i in 0..nquestions {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/protocol/mod.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         for i in 0..nanswers {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "54e27b70c151deb2ce0cae5f1c9c90393f7c033069382b1bd2e1ed6e7a3d2d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e27b70c151deb2ce0cae5f1c9c90393f7c033069382b1bd2e1ed6e7a3d2d85", kill_on_drop: false }`
[INFO] [stdout] 54e27b70c151deb2ce0cae5f1c9c90393f7c033069382b1bd2e1ed6e7a3d2d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83a24f39d7bce5a3aa7f03963b436a95530856561e42101f95f2158a68cd343f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "83a24f39d7bce5a3aa7f03963b436a95530856561e42101f95f2158a68cd343f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nslookup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `decode_name` in this scope
[INFO] [stdout]    --> src/protocol/name.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 37  | pub fn encode_name(name : &str) -> Vec<u8> {
[INFO] [stdout]     | ------------------------------------------ similarly named function `encode_name` defined here
[INFO] [stdout] ...
[INFO] [stdout] 101 |     let decoded = decode_name(&buf);
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: a function with a similar name exists: `encode_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `decode_name` in this scope
[INFO] [stdout]    --> src/protocol/name.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 37  | pub fn encode_name(name : &str) -> Vec<u8> {
[INFO] [stdout]     | ------------------------------------------ similarly named function `encode_name` defined here
[INFO] [stdout] ...
[INFO] [stdout] 106 |     let decoded = decode_name(&buf);
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: a function with a similar name exists: `encode_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]    --> src/protocol/name.rs:114:40
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let decoded = decode_name_rdr(&mut Cursor::new(&buf)).unwrap();
[INFO] [stdout]     |                                        ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use protocol::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::collections::linked_list::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]    --> src/protocol/name.rs:119:40
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let decoded = decode_name_rdr(&mut Cursor::new(&buf)).unwrap();
[INFO] [stdout]     |                                        ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use protocol::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::collections::linked_list::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/protocol/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:54
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn run(hostname : String) -> Result<DnsResponse, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nslookup`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "83a24f39d7bce5a3aa7f03963b436a95530856561e42101f95f2158a68cd343f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a24f39d7bce5a3aa7f03963b436a95530856561e42101f95f2158a68cd343f", kill_on_drop: false }`
[INFO] [stdout] 83a24f39d7bce5a3aa7f03963b436a95530856561e42101f95f2158a68cd343f
