[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] testing Peternator7/cracker-barrel-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeternator7%2Fcracker-barrel-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Peternator7/cracker-barrel-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] adbc23e859bd649517c81b43717f289a383c0cbf9317a72545923c3f03824b04
[INFO] running `Command { std: "docker" "start" "-a" "adbc23e859bd649517c81b43717f289a383c0cbf9317a72545923c3f03824b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adbc23e859bd649517c81b43717f289a383c0cbf9317a72545923c3f03824b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbc23e859bd649517c81b43717f289a383c0cbf9317a72545923c3f03824b04", kill_on_drop: false }`
[INFO] [stdout] adbc23e859bd649517c81b43717f289a383c0cbf9317a72545923c3f03824b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eaca571cdcbb02c457abfbabdc1a1bc3828e8881e100a9a944dfd45310a07bc
[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" "3eaca571cdcbb02c457abfbabdc1a1bc3828e8881e100a9a944dfd45310a07bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "3eaca571cdcbb02c457abfbabdc1a1bc3828e8881e100a9a944dfd45310a07bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eaca571cdcbb02c457abfbabdc1a1bc3828e8881e100a9a944dfd45310a07bc", kill_on_drop: false }`
[INFO] [stdout] 3eaca571cdcbb02c457abfbabdc1a1bc3828e8881e100a9a944dfd45310a07bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 0749d1829085e9dee7b022a494be3997f95d01d924d8096ab672801394a08bd1
[INFO] running `Command { std: "docker" "start" "-a" "0749d1829085e9dee7b022a494be3997f95d01d924d8096ab672801394a08bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "0749d1829085e9dee7b022a494be3997f95d01d924d8096ab672801394a08bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0749d1829085e9dee7b022a494be3997f95d01d924d8096ab672801394a08bd1", kill_on_drop: false }`
[INFO] [stdout] 0749d1829085e9dee7b022a494be3997f95d01d924d8096ab672801394a08bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef540f2084c17b3ee21d1dc4a49a7bf77af034ba10d3fa6289fde2efab353744
[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" "ef540f2084c17b3ee21d1dc4a49a7bf77af034ba10d3fa6289fde2efab353744", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 try!(write!(f, "  "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:207:21
[INFO] [stderr]     |
[INFO] [stderr] 207 |                     try!(write!(f,"[{: >#2}] ",id));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:209:21
[INFO] [stderr]     |
[INFO] [stderr] 209 |                     try!(write!(f,"[  ] "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/graph.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |             try!(writeln!(f,""));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `c` should have an upper case name
[INFO] [stderr]   --> src/graph.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | static c: Option<Piece> = None;
[INFO] [stderr]    |        ^ help: convert the identifier to upper case (notice the capitalization): `C`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/triangle_problem-6d2074b0fb0e40f1
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef540f2084c17b3ee21d1dc4a49a7bf77af034ba10d3fa6289fde2efab353744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef540f2084c17b3ee21d1dc4a49a7bf77af034ba10d3fa6289fde2efab353744", kill_on_drop: false }`
[INFO] [stdout] ef540f2084c17b3ee21d1dc4a49a7bf77af034ba10d3fa6289fde2efab353744