[INFO] cloning repository https://github.com/brianp/muxed
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brianp/muxed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianp%2Fmuxed"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianp%2Fmuxed'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19b44ef523b739bbdba03e871f5c79a26d5a70b7
[INFO] checking brianp/muxed against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianp%2Fmuxed" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brianp/muxed on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brianp/muxed
[INFO] finished tweaking git repo https://github.com/brianp/muxed
[INFO] tweaked toml for git repo https://github.com/brianp/muxed written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/brianp/muxed already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 782eec049bf1c1ad7940c4f820157175b85558b27ff8f6cc9af395fa961c7b53
[INFO] running `"docker" "start" "-a" "782eec049bf1c1ad7940c4f820157175b85558b27ff8f6cc9af395fa961c7b53"`
[INFO] [stderr]     Checking dtoa v0.3.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking serde_yaml v0.5.1
[INFO] [stderr]     Checking muxed v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/parser.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |                         commands.append(&mut try!(pane_matcher(
[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/load/project/parser.rs:86:35
[INFO] [stderr]    |
[INFO] [stderr] 86 | ...                   name: try!(k.as_str().ok_or_else(|| {
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let home = try!(homedir().map_err(|e| e));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:52:20
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut file = try!(File::open(path).map_err(|e| format!("No project configuration file was found with the name `{}` in the directory `{}`. Received error: {}", project_name, muxed_dir, e.to_string())));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let parsed_yaml = try!(YamlLoader::load_from_str(&contents).map_err(|e| e.to_string()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/new/mod.rs:70:20
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut file = try!(OpenOptions::new()
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/new/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     try!(file.write_all(template.as_bytes()).map_err(|e| format!(
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/new/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/pane/process.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let output = try!(Command::new("pgrep")
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/window.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut state = try!(serializer.serialize_map(Some(1)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/window.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(serializer.serialize_map_key(&mut state, &self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/window.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(serializer.serialize_map_value(&mut state, window));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/mod.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let output = try!(Window::window_list(target).map_err(|e| format!("{} - {}", err, e)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/mod.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let output = try!(Pane::pane_list(&target)
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/mod.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut file = try!(OpenOptions::new()
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/mod.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/load/command.rs:240:32
[INFO] [stderr]     |
[INFO] [stderr] 240 |     pub fn as_trait(&self) -> &Command {
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/parser.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |                         commands.append(&mut try!(pane_matcher(
[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/load/project/parser.rs:86:35
[INFO] [stderr]    |
[INFO] [stderr] 86 | ...                   name: try!(k.as_str().ok_or_else(|| {
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let home = try!(homedir().map_err(|e| e));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:52:20
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut file = try!(File::open(path).map_err(|e| format!("No project configuration file was found with the name `{}` in the directory `{}`. Received error: {}", project_name, muxed_dir, e.to_string())));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/load/project/mod.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let parsed_yaml = try!(YamlLoader::load_from_str(&contents).map_err(|e| e.to_string()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/new/mod.rs:70:20
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut file = try!(OpenOptions::new()
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/new/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     try!(file.write_all(template.as_bytes()).map_err(|e| format!(
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/new/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/pane/process.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let output = try!(Command::new("pgrep")
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/window.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut state = try!(serializer.serialize_map(Some(1)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/window.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(serializer.serialize_map_key(&mut state, &self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/window.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(serializer.serialize_map_value(&mut state, window));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/mod.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let output = try!(Window::window_list(target).map_err(|e| format!("{} - {}", err, e)));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/tmux/mod.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let output = try!(Pane::pane_list(&target)
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/mod.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut file = try!(OpenOptions::new()
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/mod.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/snapshot/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(file
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/load/command.rs:240:32
[INFO] [stderr]     |
[INFO] [stderr] 240 |     pub fn as_trait(&self) -> &Command {
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `"docker" "inspect" "782eec049bf1c1ad7940c4f820157175b85558b27ff8f6cc9af395fa961c7b53"`
[INFO] running `"docker" "rm" "-f" "782eec049bf1c1ad7940c4f820157175b85558b27ff8f6cc9af395fa961c7b53"`
[INFO] [stdout] 782eec049bf1c1ad7940c4f820157175b85558b27ff8f6cc9af395fa961c7b53