[INFO] crate slink 0.2.2 is already in cache
[INFO] testing slink-0.2.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate slink 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slink 0.2.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slink 0.2.2
[INFO] finished tweaking crates.io crate slink 0.2.2
[INFO] tweaked toml for crates.io crate slink 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 032731938bd791802784637930fdcb37bcf3624c868d2f88b1710bb24eafef7c
[INFO] running `"docker" "start" "-a" "032731938bd791802784637930fdcb37bcf3624c868d2f88b1710bb24eafef7c"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling slink v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let host = try!(get_host());
[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/conn.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     try!(process::run(command, |cmd| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:61:16
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:69:16
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/conn.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     try!(process::run("scp", |cmd| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/process.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut child = try!(command.spawn().map_err(|_| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/process.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let exit_status = try!(child.wait().map_err(|_| {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let host = try!(config::get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let host = try!(config::get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     try!(process::run("rsync", |cmd| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut file = try!(File::create(host_path).map_err(|e| {
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(file.write(format!("{}\n", host).as_bytes()).map_err(|e| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let path = try!(
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:53:28
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let mut file = try!(File::open(path).map_err(|e| {
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             try!(file.read_to_string(&mut host).map_err(|e| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     println!("{}", try!(config::get_host()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.16s
[INFO] running `"docker" "inspect" "032731938bd791802784637930fdcb37bcf3624c868d2f88b1710bb24eafef7c"`
[INFO] running `"docker" "rm" "-f" "032731938bd791802784637930fdcb37bcf3624c868d2f88b1710bb24eafef7c"`
[INFO] [stdout] 032731938bd791802784637930fdcb37bcf3624c868d2f88b1710bb24eafef7c
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] dc4a2646b22a0ebe204c9734f3e87c80e46dd4630aa703eaea839fb5dea7e87d
[INFO] running `"docker" "start" "-a" "dc4a2646b22a0ebe204c9734f3e87c80e46dd4630aa703eaea839fb5dea7e87d"`
[INFO] [stderr]    Compiling slink v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let host = try!(get_host());
[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/conn.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     try!(process::run(command, |cmd| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:61:16
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:69:16
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/conn.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     try!(process::run("scp", |cmd| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/process.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut child = try!(command.spawn().map_err(|_| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/process.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let exit_status = try!(child.wait().map_err(|_| {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let host = try!(config::get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let host = try!(config::get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     try!(process::run("rsync", |cmd| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut file = try!(File::create(host_path).map_err(|e| {
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(file.write(format!("{}\n", host).as_bytes()).map_err(|e| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let path = try!(
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:53:28
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let mut file = try!(File::open(path).map_err(|e| {
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             try!(file.read_to_string(&mut host).map_err(|e| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     println!("{}", try!(config::get_host()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "dc4a2646b22a0ebe204c9734f3e87c80e46dd4630aa703eaea839fb5dea7e87d"`
[INFO] running `"docker" "rm" "-f" "dc4a2646b22a0ebe204c9734f3e87c80e46dd4630aa703eaea839fb5dea7e87d"`
[INFO] [stdout] dc4a2646b22a0ebe204c9734f3e87c80e46dd4630aa703eaea839fb5dea7e87d
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d24f1ba94686b376ae2c1cdb8dbcfe400419294b45fbd8796a619b0373755a9a
[INFO] running `"docker" "start" "-a" "d24f1ba94686b376ae2c1cdb8dbcfe400419294b45fbd8796a619b0373755a9a"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let host = try!(get_host());
[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/conn.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     try!(process::run(command, |cmd| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:61:16
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/conn.rs:69:16
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let host = try!(get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/conn.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     try!(process::run("scp", |cmd| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/process.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut child = try!(command.spawn().map_err(|_| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/process.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let exit_status = try!(child.wait().map_err(|_| {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let host = try!(config::get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let host = try!(config::get_host());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rsync.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     try!(process::run("rsync", |cmd| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut file = try!(File::create(host_path).map_err(|e| {
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(file.write(format!("{}\n", host).as_bytes()).map_err(|e| {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let path = try!(
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:53:28
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let mut file = try!(File::open(path).map_err(|e| {
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             try!(file.read_to_string(&mut host).map_err(|e| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     println!("{}", try!(config::get_host()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slink-0aba3d085501c639
[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] running `"docker" "inspect" "d24f1ba94686b376ae2c1cdb8dbcfe400419294b45fbd8796a619b0373755a9a"`
[INFO] running `"docker" "rm" "-f" "d24f1ba94686b376ae2c1cdb8dbcfe400419294b45fbd8796a619b0373755a9a"`
[INFO] [stdout] d24f1ba94686b376ae2c1cdb8dbcfe400419294b45fbd8796a619b0373755a9a