[INFO] updating cached repository https://github.com/mneumann/artificial-genome-rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba547b145f9137d04933505e521edb0fc0b4208b
[INFO] testing mneumann/artificial-genome-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fartificial-genome-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/artificial-genome-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mneumann/artificial-genome-rs
[INFO] finished tweaking git repo https://github.com/mneumann/artificial-genome-rs
[INFO] tweaked toml for git repo https://github.com/mneumann/artificial-genome-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/artificial-genome-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d16c0cea8e19ca107899a17a42919472f92b2fda57f57c8a899908a34140223
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d16c0cea8e19ca107899a17a42919472f92b2fda57f57c8a899908a34140223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d16c0cea8e19ca107899a17a42919472f92b2fda57f57c8a899908a34140223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d16c0cea8e19ca107899a17a42919472f92b2fda57f57c8a899908a34140223", kill_on_drop: false }`
[INFO] [stdout] 8d16c0cea8e19ca107899a17a42919472f92b2fda57f57c8a899908a34140223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 132e942afad9d56a109dd10e53ace71a79afc6b9442384353d9c34180dd2e4b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "132e942afad9d56a109dd10e53ace71a79afc6b9442384353d9c34180dd2e4b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling artificial-genome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             try!(writeln!(wr, "{} -> {}", src_edge, dst_edge));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 try!(writeln!(wr,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:451:13
[INFO] [stdout]     |
[INFO] [stdout] 451 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             try!(write!(f, "{:?}", base));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:447:8
[INFO] [stdout]     |
[INFO] [stdout] 447 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "132e942afad9d56a109dd10e53ace71a79afc6b9442384353d9c34180dd2e4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132e942afad9d56a109dd10e53ace71a79afc6b9442384353d9c34180dd2e4b1", kill_on_drop: false }`
[INFO] [stdout] 132e942afad9d56a109dd10e53ace71a79afc6b9442384353d9c34180dd2e4b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5467c7d4fb8d846224a4ed31c32c1b5b3c0fca1416229a9bc0a8cca7b213a9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5467c7d4fb8d846224a4ed31c32c1b5b3c0fca1416229a9bc0a8cca7b213a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling artificial-genome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             try!(writeln!(wr, "{} -> {}", src_edge, dst_edge));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 try!(writeln!(wr,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:451:13
[INFO] [stdout]     |
[INFO] [stdout] 451 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             try!(write!(f, "{:?}", base));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:447:8
[INFO] [stdout]     |
[INFO] [stdout] 447 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             try!(writeln!(wr, "{} -> {}", src_edge, dst_edge));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 try!(writeln!(wr,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:451:13
[INFO] [stdout]     |
[INFO] [stdout] 451 |             try!(writeln!(wr,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         try!(writeln!(wr, "}}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             try!(write!(f, "{:?}", base));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_dot`
[INFO] [stdout]    --> src/graph.rs:447:8
[INFO] [stdout]     |
[INFO] [stdout] 447 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "c5467c7d4fb8d846224a4ed31c32c1b5b3c0fca1416229a9bc0a8cca7b213a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5467c7d4fb8d846224a4ed31c32c1b5b3c0fca1416229a9bc0a8cca7b213a9b", kill_on_drop: false }`
[INFO] [stdout] c5467c7d4fb8d846224a4ed31c32c1b5b3c0fca1416229a9bc0a8cca7b213a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a1fd85696205f5d78f02fed45e22d29dd6517377fb1ae801681673439403fd8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a1fd85696205f5d78f02fed45e22d29dd6517377fb1ae801681673439403fd8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(writeln!(wr, "digraph artificial {{"));
[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/graph.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             try!(writeln!(wr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             try!(writeln!(wr, "{} -> {}", src_edge, dst_edge));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(writeln!(wr, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:325:13
[INFO] [stderr]     |
[INFO] [stderr] 325 |             try!(writeln!(wr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:340:17
[INFO] [stderr]     |
[INFO] [stderr] 340 |                 try!(writeln!(wr,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:349:9
[INFO] [stderr]     |
[INFO] [stderr] 349 |         try!(writeln!(wr, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:448:9
[INFO] [stderr]     |
[INFO] [stderr] 448 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:451:13
[INFO] [stderr]     |
[INFO] [stderr] 451 |             try!(writeln!(wr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |         try!(writeln!(wr, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(write!(f, "["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             try!(write!(f, "{:?}", base));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:190:8
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:317:8
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:447:8
[INFO] [stderr]     |
[INFO] [stderr] 447 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(writeln!(wr, "digraph artificial {{"));
[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/graph.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             try!(writeln!(wr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             try!(writeln!(wr, "{} -> {}", src_edge, dst_edge));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(writeln!(wr, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:325:13
[INFO] [stderr]     |
[INFO] [stderr] 325 |             try!(writeln!(wr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:340:17
[INFO] [stderr]     |
[INFO] [stderr] 340 |                 try!(writeln!(wr,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:349:9
[INFO] [stderr]     |
[INFO] [stderr] 349 |         try!(writeln!(wr, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:448:9
[INFO] [stderr]     |
[INFO] [stderr] 448 |         try!(writeln!(wr, "digraph artificial {{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:451:13
[INFO] [stderr]     |
[INFO] [stderr] 451 |             try!(writeln!(wr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |         try!(writeln!(wr, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(write!(f, "["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             try!(write!(f, "{:?}", base));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:190:8
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:317:8
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:447:8
[INFO] [stderr]     |
[INFO] [stderr] 447 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/artificial_genome-0493d4cdabb78827
[INFO] [stdout] running 1 test
[INFO] [stdout] test dna_base::test_dnabase_succ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/artificial_genome-3c080bd4449e1364
[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 artificial-genome
[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 `Command { std: "docker" "inspect" "5a1fd85696205f5d78f02fed45e22d29dd6517377fb1ae801681673439403fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1fd85696205f5d78f02fed45e22d29dd6517377fb1ae801681673439403fd8", kill_on_drop: false }`
[INFO] [stdout] 5a1fd85696205f5d78f02fed45e22d29dd6517377fb1ae801681673439403fd8