[INFO] updating cached repository https://github.com/Havvy/nox-rs
[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] f402bcc5867ddc44f25357ce3e73ce3fd59329e5
[INFO] checking Havvy/nox-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHavvy%2Fnox-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Havvy/nox-rs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Havvy/nox-rs
[INFO] finished tweaking git repo https://github.com/Havvy/nox-rs
[INFO] tweaked toml for git repo https://github.com/Havvy/nox-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Havvy/nox-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] bd1de8dd88f7e7bdf0b34bc5444fcbda56727bad1c74c1636f1042bc49fa14ba
[INFO] running `"docker" "start" "-a" "bd1de8dd88f7e7bdf0b34bc5444fcbda56727bad1c74c1636f1042bc49fa14ba"`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking ansi_term v0.6.3
[INFO] [stderr]     Checking argparse v0.1.3
[INFO] [stderr]     Checking nox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:173:24
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let metadata = try!(fs_metadata(&manifest));
[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/main.rs:179:28
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut manifest = try!(File::open(manifest));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         try!((&mut manifest).read_to_string(&mut contents));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:189:24
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let metadata = try!(fs_metadata(git_dir));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:204:24
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let metadata = try!(fs_metadata(&channel_dir_path));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:212:23
[INFO] [stderr]     |
[INFO] [stderr] 212 |     let mut version = try!(check_manifest(channel_dir_path.clone()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:214:19
[INFO] [stderr]     |
[INFO] [stderr] 214 |         version = try!(check_git(channel_dir_path))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:275:15
[INFO] [stderr]     |
[INFO] [stderr] 275 |     let key = try!(make_key());
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:276:20
[INFO] [stderr]     |
[INFO] [stderr] 276 |     let packages = try!(cache.get_or_create(key, nix_packages_json));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     try!(io::stdin().read_line(&mut input));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:304:19
[INFO] [stderr]     |
[INFO] [stderr] 304 |     let indices = try!(indices.map_err(|_| {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:369:34
[INFO] [stderr]     |
[INFO] [stderr] 369 |         let to_install_indices = try!(request_package_indices_to_install(options.len()));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:173:24
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let metadata = try!(fs_metadata(&manifest));
[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/main.rs:179:28
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut manifest = try!(File::open(manifest));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         try!((&mut manifest).read_to_string(&mut contents));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:189:24
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let metadata = try!(fs_metadata(git_dir));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:204:24
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let metadata = try!(fs_metadata(&channel_dir_path));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:212:23
[INFO] [stderr]     |
[INFO] [stderr] 212 |     let mut version = try!(check_manifest(channel_dir_path.clone()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:214:19
[INFO] [stderr]     |
[INFO] [stderr] 214 |         version = try!(check_git(channel_dir_path))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:275:15
[INFO] [stderr]     |
[INFO] [stderr] 275 |     let key = try!(make_key());
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:276:20
[INFO] [stderr]     |
[INFO] [stderr] 276 |     let packages = try!(cache.get_or_create(key, nix_packages_json));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     try!(io::stdin().read_line(&mut input));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:304:19
[INFO] [stderr]     |
[INFO] [stderr] 304 |     let indices = try!(indices.map_err(|_| {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:369:34
[INFO] [stderr]     |
[INFO] [stderr] 369 |         let to_install_indices = try!(request_package_indices_to_install(options.len()));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 |     std::env::home_dir()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 |     std::env::home_dir()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]    --> src/main.rs:238:34
[INFO] [stderr]     |
[INFO] [stderr] 238 |         format!("{{{}}}", middle.connect(", "))
[INFO] [stderr]     |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]    --> src/main.rs:238:34
[INFO] [stderr]     |
[INFO] [stderr] 238 |         format!("{{{}}}", middle.connect(", "))
[INFO] [stderr]     |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MissingVersionIndicator`
[INFO] [stderr]   --> src/main.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     MissingVersionIndicator(PathBuf),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `NoxInstallRequest`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | type NoxInstallRequest = Result<Option<Vec<i32>>, String>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:332:5
[INFO] [stderr]     |
[INFO] [stderr] 332 |     install_command.output();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MissingVersionIndicator`
[INFO] [stderr]   --> src/main.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     MissingVersionIndicator(PathBuf),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `NoxInstallRequest`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | type NoxInstallRequest = Result<Option<Vec<i32>>, String>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:332:5
[INFO] [stderr]     |
[INFO] [stderr] 332 |     install_command.output();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `"docker" "inspect" "bd1de8dd88f7e7bdf0b34bc5444fcbda56727bad1c74c1636f1042bc49fa14ba"`
[INFO] running `"docker" "rm" "-f" "bd1de8dd88f7e7bdf0b34bc5444fcbda56727bad1c74c1636f1042bc49fa14ba"`
[INFO] [stdout] bd1de8dd88f7e7bdf0b34bc5444fcbda56727bad1c74c1636f1042bc49fa14ba