[INFO] updating cached repository https://github.com/colatkinson/telnet_server [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 2276e846555e18a5fdd8b05d8f2a08734a78193b [INFO] checking colatkinson/telnet_server against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolatkinson%2Ftelnet_server" "work/builds/worker-5/source"` [INFO] [stderr] Cloning into 'work/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/colatkinson/telnet_server on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [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 work/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/colatkinson/telnet_server already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ea71edb0421de4e2c653e5ec97bd25326ee0f6511c10d6594be47af9a5fd6403 [INFO] running `"docker" "start" "-a" "ea71edb0421de4e2c653e5ec97bd25326ee0f6511c10d6594be47af9a5fd6403"` [INFO] [stderr] Checking telnet_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/util.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | try!(std::io::stdout().flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:23:17 [INFO] [stderr] | [INFO] [stderr] 23 | let mut f = try!(File::open("users.json")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | try!(f.read_to_string(&mut s)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | let mut f = try!(File::create("users.json")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | try!(f.write_all(&s.into_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | let mut f = try!(File::create("users.json")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | try!(f.write_all(&s.into_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:57:19 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cur = try!(load_users()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/user.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_test_users` [INFO] [stderr] --> src/user.rs:43:1 [INFO] [stderr] | [INFO] [stderr] 43 | fn create_test_users() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/util.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | try!(std::io::stdout().flush()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:23:17 [INFO] [stderr] | [INFO] [stderr] 23 | let mut f = try!(File::open("users.json")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | try!(f.read_to_string(&mut s)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | let mut f = try!(File::create("users.json")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | try!(f.write_all(&s.into_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | let mut f = try!(File::create("users.json")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | try!(f.write_all(&s.into_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/user.rs:57:19 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cur = try!(load_users()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/user.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_test_users` [INFO] [stderr] --> src/user.rs:43:1 [INFO] [stderr] | [INFO] [stderr] 43 | fn create_test_users() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.90s [INFO] running `"docker" "inspect" "ea71edb0421de4e2c653e5ec97bd25326ee0f6511c10d6594be47af9a5fd6403"` [INFO] running `"docker" "rm" "-f" "ea71edb0421de4e2c653e5ec97bd25326ee0f6511c10d6594be47af9a5fd6403"` [INFO] [stdout] ea71edb0421de4e2c653e5ec97bd25326ee0f6511c10d6594be47af9a5fd6403