[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 master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fartificial-genome-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/artificial-genome-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-9/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6f43aeb5dce08b3941cdb1247a7114c225864e5e6188414d20cf777b1185811
[INFO] running `Command { std: "docker" "start" "-a" "b6f43aeb5dce08b3941cdb1247a7114c225864e5e6188414d20cf777b1185811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f43aeb5dce08b3941cdb1247a7114c225864e5e6188414d20cf777b1185811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f43aeb5dce08b3941cdb1247a7114c225864e5e6188414d20cf777b1185811", kill_on_drop: false }`
[INFO] [stdout] b6f43aeb5dce08b3941cdb1247a7114c225864e5e6188414d20cf777b1185811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 637780ce90249847f15d3151dde17632b584c2a186dc2aee783aaf1964cb4708
[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" "637780ce90249847f15d3151dde17632b584c2a186dc2aee783aaf1964cb4708", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[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 8.37s
[INFO] running `Command { std: "docker" "inspect" "637780ce90249847f15d3151dde17632b584c2a186dc2aee783aaf1964cb4708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637780ce90249847f15d3151dde17632b584c2a186dc2aee783aaf1964cb4708", kill_on_drop: false }`
[INFO] [stdout] 637780ce90249847f15d3151dde17632b584c2a186dc2aee783aaf1964cb4708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7b8e03f12efe165d4813673b376bb683d63f33a06a34c36ebf40bcb1c0fb2f6
[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" "d7b8e03f12efe165d4813673b376bb683d63f33a06a34c36ebf40bcb1c0fb2f6", 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 1.30s
[INFO] running `Command { std: "docker" "inspect" "d7b8e03f12efe165d4813673b376bb683d63f33a06a34c36ebf40bcb1c0fb2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b8e03f12efe165d4813673b376bb683d63f33a06a34c36ebf40bcb1c0fb2f6", kill_on_drop: false }`
[INFO] [stdout] d7b8e03f12efe165d4813673b376bb683d63f33a06a34c36ebf40bcb1c0fb2f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a24d640b5f08fe8416a8d10b7de82f9336179cac7cf52555f2a23cc7f644491
[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" "8a24d640b5f08fe8416a8d10b7de82f9336179cac7cf52555f2a23cc7f644491", 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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/artificial_genome-26c87537a0e10815
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/artificial_genome-19bd546ed79e0ced
[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] [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" "8a24d640b5f08fe8416a8d10b7de82f9336179cac7cf52555f2a23cc7f644491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a24d640b5f08fe8416a8d10b7de82f9336179cac7cf52555f2a23cc7f644491", kill_on_drop: false }`
[INFO] [stdout] 8a24d640b5f08fe8416a8d10b7de82f9336179cac7cf52555f2a23cc7f644491