[INFO] cloning repository https://github.com/Peternator7/cracker-barrel-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Peternator7/cracker-barrel-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeternator7%2Fcracker-barrel-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeternator7%2Fcracker-barrel-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c745de53d1a7e569c0bf536d5363019b428b2084
[INFO] checking Peternator7/cracker-barrel-rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeternator7%2Fcracker-barrel-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Peternator7/cracker-barrel-rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Peternator7/cracker-barrel-rust
[INFO] finished tweaking git repo https://github.com/Peternator7/cracker-barrel-rust
[INFO] tweaked toml for git repo https://github.com/Peternator7/cracker-barrel-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Peternator7/cracker-barrel-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 083fa3509f307976ed9e7972e114b7175291697a9aef8565c137871b2372bae8
[INFO] running `Command { std: "docker" "start" "-a" "083fa3509f307976ed9e7972e114b7175291697a9aef8565c137871b2372bae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083fa3509f307976ed9e7972e114b7175291697a9aef8565c137871b2372bae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083fa3509f307976ed9e7972e114b7175291697a9aef8565c137871b2372bae8", kill_on_drop: false }`
[INFO] [stdout] 083fa3509f307976ed9e7972e114b7175291697a9aef8565c137871b2372bae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 4f439a9842e7bff1a36adf19333dd1624f860eb734d8f641bf36435e670607e9
[INFO] running `Command { std: "docker" "start" "-a" "4f439a9842e7bff1a36adf19333dd1624f860eb734d8f641bf36435e670607e9", kill_on_drop: false }`
[INFO] [stderr]     Checking triangle_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 try!(write!(f, "  "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     try!(write!(f,"[{: >#2}] ",id));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     try!(write!(f,"[  ] "));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             try!(writeln!(f,""));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 try!(write!(f, "  "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     try!(write!(f,"[{: >#2}] ",id));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     try!(write!(f,"[  ] "));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             try!(writeln!(f,""));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `c` should have an upper case name
[INFO] [stdout]   --> src/graph.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static c: Option<Piece> = None;
[INFO] [stdout]    |        ^ help: convert the identifier to upper case (notice the capitalization): `C`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `c` should have an upper case name
[INFO] [stdout]   --> src/graph.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static c: Option<Piece> = None;
[INFO] [stdout]    |        ^ help: convert the identifier to upper case (notice the capitalization): `C`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "4f439a9842e7bff1a36adf19333dd1624f860eb734d8f641bf36435e670607e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f439a9842e7bff1a36adf19333dd1624f860eb734d8f641bf36435e670607e9", kill_on_drop: false }`
[INFO] [stdout] 4f439a9842e7bff1a36adf19333dd1624f860eb734d8f641bf36435e670607e9