[INFO] updating cached repository https://github.com/colatkinson/telnet_server
[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] 2276e846555e18a5fdd8b05d8f2a08734a78193b
[INFO] testing colatkinson/telnet_server against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolatkinson%2Ftelnet_server" "/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/colatkinson/telnet_server on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/colatkinson/telnet_server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ebf3d4acd56b514502cf3b9241118977a59f02c4484c2b78f6f57657d6626f6
[INFO] running `"docker" "start" "-a" "0ebf3d4acd56b514502cf3b9241118977a59f02c4484c2b78f6f57657d6626f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling 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: unnecessary parentheses around type
[INFO] [stderr]   --> src/user.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn load_users() -> Result<(HashMap<String, String>)> {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_users`
[INFO] [stderr]   --> src/user.rs:43:4
[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: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `"docker" "inspect" "0ebf3d4acd56b514502cf3b9241118977a59f02c4484c2b78f6f57657d6626f6"`
[INFO] running `"docker" "rm" "-f" "0ebf3d4acd56b514502cf3b9241118977a59f02c4484c2b78f6f57657d6626f6"`
[INFO] [stdout] 0ebf3d4acd56b514502cf3b9241118977a59f02c4484c2b78f6f57657d6626f6
[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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c498dfad5091eff303f1f8879c59a41f15c1a93807a4671d8ab67fd99d0b265
[INFO] running `"docker" "start" "-a" "1c498dfad5091eff303f1f8879c59a41f15c1a93807a4671d8ab67fd99d0b265"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: unnecessary parentheses around type
[INFO] [stderr]   --> src/user.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn load_users() -> Result<(HashMap<String, String>)> {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_users`
[INFO] [stderr]   --> src/user.rs:43:4
[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: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling 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: unnecessary parentheses around type
[INFO] [stderr]   --> src/user.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn load_users() -> Result<(HashMap<String, String>)> {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_users`
[INFO] [stderr]   --> src/user.rs:43:4
[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: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "1c498dfad5091eff303f1f8879c59a41f15c1a93807a4671d8ab67fd99d0b265"`
[INFO] running `"docker" "rm" "-f" "1c498dfad5091eff303f1f8879c59a41f15c1a93807a4671d8ab67fd99d0b265"`
[INFO] [stdout] 1c498dfad5091eff303f1f8879c59a41f15c1a93807a4671d8ab67fd99d0b265
[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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] f951623e50eaf98be5a84c55a5a58b453651ad7d0ad86c4d2be1cb72f16c107e
[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" "f951623e50eaf98be5a84c55a5a58b453651ad7d0ad86c4d2be1cb72f16c107e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: unnecessary parentheses around type
[INFO] [stderr]   --> src/user.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn load_users() -> Result<(HashMap<String, String>)> {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_users`
[INFO] [stderr]   --> src/user.rs:43:4
[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: 11 warnings emitted
[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: unnecessary parentheses around type
[INFO] [stderr]   --> src/user.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn load_users() -> Result<(HashMap<String, String>)> {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_users`
[INFO] [stderr]   --> src/user.rs:43:4
[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: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/telnet_server-abc61333397aba5e
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/telnet_server-cae6bf85f94525cb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests telnet_server
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/user.rs - user::hash_pass (line 72) ... ok
[INFO] [stdout] test src/cmds.rs - cmds::Command::run (line 29) ... ok
[INFO] [stdout] test src/login.rs - login::login_screen (line 90) ... ok
[INFO] [stdout] test src/util.rs - util::Context::new (line 23) ... ok
[INFO] [stdout] test src/cmds.rs - cmds::Command::get_name (line 47) ... ok
[INFO] [stdout] test src/util.rs - util::flush_out (line 36) ... ok
[INFO] [stdout] test src/user.rs - user::load_users (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/user.rs - user::load_users (line 18) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'assertion failed: user::load_users().is_ok()', src/user.rs:5:1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5624acd15554 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x5624acd15554 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5624acd15554 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x5624acd15554 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h41a0a93ab85e6aa1
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x5624acd37bec - core::fmt::write::hdaea18585065a96d
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x5624acd13a63 - std::io::Write::write_fmt::h0cea70c809005252
[INFO] [stdout]                                at src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x5624acd17af5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x5624acd17af5 - std::sys_common::backtrace::print::hfb25ca2291be47d0
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x5624acd17af5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x5624acd17832 - std::panicking::default_hook::h198e1a712910f1e6
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x5624acd18102 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   11:     0x5624acd05291 - std::panicking::begin_panic::hd907c411b28f05de
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438
[INFO] [stdout]   12:     0x5624accd645a - rust_out::main::hce5147e828914a17
[INFO] [stdout]   13:     0x5624accd6293 - std::rt::lang_start::{{closure}}::hb15f61f8249547b1
[INFO] [stdout]   14:     0x5624acd18548 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   15:     0x5624acd18548 - std::panicking::try::do_call::h6d214a73427d759b
[INFO] [stdout]                                at src/libstd/panicking.rs:331
[INFO] [stdout]   16:     0x5624acd18548 - std::panicking::try::hc078f0e11721d1cb
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   17:     0x5624acd18548 - std::panic::catch_unwind::hb31c05be30625612
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   18:     0x5624acd18548 - std::rt::lang_start_internal::hcf7fb98a775d5af0
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   19:     0x5624accd6278 - std::rt::lang_start::h80cabc1387d7a5d8
[INFO] [stdout]   20:     0x5624accd648b - main
[INFO] [stdout]   21:     0x7fc8489560b3 - __libc_start_main
[INFO] [stdout]   22:     0x5624accd617e - _start
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/user.rs - user::load_users (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "f951623e50eaf98be5a84c55a5a58b453651ad7d0ad86c4d2be1cb72f16c107e"`
[INFO] running `"docker" "rm" "-f" "f951623e50eaf98be5a84c55a5a58b453651ad7d0ad86c4d2be1cb72f16c107e"`
[INFO] [stdout] f951623e50eaf98be5a84c55a5a58b453651ad7d0ad86c4d2be1cb72f16c107e