[INFO] cloning repository https://github.com/colatkinson/telnet_server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colatkinson/telnet_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolatkinson%2Ftelnet_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolatkinson%2Ftelnet_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2276e846555e18a5fdd8b05d8f2a08734a78193b [INFO] checking colatkinson/telnet_server against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolatkinson%2Ftelnet_server" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/colatkinson/telnet_server on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/colatkinson/telnet_server [INFO] finished tweaking git repo https://github.com/colatkinson/telnet_server [INFO] tweaked toml for git repo https://github.com/colatkinson/telnet_server written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/colatkinson/telnet_server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4f9255fc9a487035cf406de04e3854e47e2bbb14656a238e2f3af42deba942f [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" "f4f9255fc9a487035cf406de04e3854e47e2bbb14656a238e2f3af42deba942f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4f9255fc9a487035cf406de04e3854e47e2bbb14656a238e2f3af42deba942f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4f9255fc9a487035cf406de04e3854e47e2bbb14656a238e2f3af42deba942f", kill_on_drop: false }` [INFO] [stdout] f4f9255fc9a487035cf406de04e3854e47e2bbb14656a238e2f3af42deba942f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3352b70175db3a9406fe94d68545af869d73b47c8333fe89a7a2d6da7bd1af1 [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" "e3352b70175db3a9406fe94d68545af869d73b47c8333fe89a7a2d6da7bd1af1", kill_on_drop: false }` [INFO] [stderr] Checking rust-crypto v0.2.36 [INFO] [stderr] Checking telnet_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/util.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | try!(std::io::stdout().flush()); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut f = try!(File::open("users.json")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | try!(f.read_to_string(&mut s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut f = try!(File::create("users.json")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | try!(f.write_all(&s.into_bytes())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut f = try!(File::create("users.json")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | try!(f.write_all(&s.into_bytes())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:57:19 [INFO] [stdout] | [INFO] [stdout] 57 | let mut cur = try!(load_users()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std` [INFO] [stdout] --> src/user.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/user.rs:22:31 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn load_users() -> Result<(HashMap)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/util.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | try!(std::io::stdout().flush()); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut f = try!(File::open("users.json")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | try!(f.read_to_string(&mut s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut f = try!(File::create("users.json")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | try!(f.write_all(&s.into_bytes())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut f = try!(File::create("users.json")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | try!(f.write_all(&s.into_bytes())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/user.rs:57:19 [INFO] [stdout] | [INFO] [stdout] 57 | let mut cur = try!(load_users()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std` [INFO] [stdout] --> src/user.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/user.rs:22:31 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn load_users() -> Result<(HashMap)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_test_users` [INFO] [stdout] --> src/user.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn create_test_users() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_test_users` [INFO] [stdout] --> src/user.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn create_test_users() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.35s [INFO] running `Command { std: "docker" "inspect" "e3352b70175db3a9406fe94d68545af869d73b47c8333fe89a7a2d6da7bd1af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3352b70175db3a9406fe94d68545af869d73b47c8333fe89a7a2d6da7bd1af1", kill_on_drop: false }` [INFO] [stdout] e3352b70175db3a9406fe94d68545af869d73b47c8333fe89a7a2d6da7bd1af1