[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-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeternator7%2Fcracker-barrel-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Peternator7/cracker-barrel-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-14/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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 941f28a70c8b61340a993f7363ee63f16a426f6988b0d9e11aa811ab1d7d164b
[INFO] running `Command { std: "docker" "start" "-a" "941f28a70c8b61340a993f7363ee63f16a426f6988b0d9e11aa811ab1d7d164b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "941f28a70c8b61340a993f7363ee63f16a426f6988b0d9e11aa811ab1d7d164b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941f28a70c8b61340a993f7363ee63f16a426f6988b0d9e11aa811ab1d7d164b", kill_on_drop: false }`
[INFO] [stdout] 941f28a70c8b61340a993f7363ee63f16a426f6988b0d9e11aa811ab1d7d164b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 605a947d8bb97c42e8848b2300dd8ab27ac760d90827d329b3e43f31fa36dc92
[INFO] running `Command { std: "docker" "start" "-a" "605a947d8bb97c42e8848b2300dd8ab27ac760d90827d329b3e43f31fa36dc92", 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:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             try!(writeln!(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:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 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: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: 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "605a947d8bb97c42e8848b2300dd8ab27ac760d90827d329b3e43f31fa36dc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605a947d8bb97c42e8848b2300dd8ab27ac760d90827d329b3e43f31fa36dc92", kill_on_drop: false }`
[INFO] [stdout] 605a947d8bb97c42e8848b2300dd8ab27ac760d90827d329b3e43f31fa36dc92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7b06447d266bb72d681d53e0e500a2d32c90b54c8d57856a3b2669f0734e79
[INFO] running `Command { std: "docker" "start" "-a" "8b7b06447d266bb72d681d53e0e500a2d32c90b54c8d57856a3b2669f0734e79", 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:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             try!(writeln!(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:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 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: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: 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 0.53s
[INFO] running `Command { std: "docker" "inspect" "8b7b06447d266bb72d681d53e0e500a2d32c90b54c8d57856a3b2669f0734e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7b06447d266bb72d681d53e0e500a2d32c90b54c8d57856a3b2669f0734e79", kill_on_drop: false }`
[INFO] [stdout] 8b7b06447d266bb72d681d53e0e500a2d32c90b54c8d57856a3b2669f0734e79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d622b0def3f67525584a8cca45a35d86b17229304514bface3fae9a53d089da2
[INFO] running `Command { std: "docker" "start" "-a" "d622b0def3f67525584a8cca45a35d86b17229304514bface3fae9a53d089da2", kill_on_drop: false }`
[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]     = 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:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 try!(write!(f, "  "));
[INFO] [stderr]     |                 ^^^
[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: 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: `triangle_problem` (bin "triangle_problem" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/triangle_problem-d5464cf401c7add4)
[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" "d622b0def3f67525584a8cca45a35d86b17229304514bface3fae9a53d089da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d622b0def3f67525584a8cca45a35d86b17229304514bface3fae9a53d089da2", kill_on_drop: false }`
[INFO] [stdout] d622b0def3f67525584a8cca45a35d86b17229304514bface3fae9a53d089da2