[INFO] updating cached repository https://github.com/bengoodwyn/aoc-2016-rust
[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] ab86c05bae872b31820a019f0377638f8ec07cef
[INFO] checking bengoodwyn/aoc-2016-rust against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbengoodwyn%2Faoc-2016-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bengoodwyn/aoc-2016-rust on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bengoodwyn/aoc-2016-rust
[INFO] finished tweaking git repo https://github.com/bengoodwyn/aoc-2016-rust
[INFO] tweaked toml for git repo https://github.com/bengoodwyn/aoc-2016-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bengoodwyn/aoc-2016-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bce6cb044da8922a14a0fdbcebe536b1ffba3666d45d799f7cb6761a085ce163
[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" "bce6cb044da8922a14a0fdbcebe536b1ffba3666d45d799f7cb6761a085ce163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce6cb044da8922a14a0fdbcebe536b1ffba3666d45d799f7cb6761a085ce163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce6cb044da8922a14a0fdbcebe536b1ffba3666d45d799f7cb6761a085ce163", kill_on_drop: false }`
[INFO] [stdout] bce6cb044da8922a14a0fdbcebe536b1ffba3666d45d799f7cb6761a085ce163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 68e96bcec0389a8bf76841e6b12c7b320feef304a922fc1ca6081bfc36e812a3
[INFO] running `Command { std: "docker" "start" "-a" "68e96bcec0389a8bf76841e6b12c7b320feef304a922fc1ca6081bfc36e812a3", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]  --> src/aoc/input.rs:9:83
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Err(why) => panic!("Failed to open {} because of {}", path.display(), why.description()),
[INFO] [stdout]   |                                                                                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/aoc/input.rs:14:83
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Err(why) => panic!("Failed to read {} because of {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]  --> src/aoc/input.rs:9:83
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Err(why) => panic!("Failed to open {} because of {}", path.display(), why.description()),
[INFO] [stdout]   |                                                                                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/aoc/input.rs:14:83
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Err(why) => panic!("Failed to read {} because of {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "68e96bcec0389a8bf76841e6b12c7b320feef304a922fc1ca6081bfc36e812a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e96bcec0389a8bf76841e6b12c7b320feef304a922fc1ca6081bfc36e812a3", kill_on_drop: false }`
[INFO] [stdout] 68e96bcec0389a8bf76841e6b12c7b320feef304a922fc1ca6081bfc36e812a3