[INFO] cloning repository https://github.com/ruanLN/simulated_annealing_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruanLN/simulated_annealing_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruanLN%2Fsimulated_annealing_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruanLN%2Fsimulated_annealing_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88afc7c05a730b560cf5923b8f0302733b9451f0
[INFO] testing ruanLN/simulated_annealing_rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruanLN%2Fsimulated_annealing_rust" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruanLN/simulated_annealing_rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruanLN/simulated_annealing_rust
[INFO] finished tweaking git repo https://github.com/ruanLN/simulated_annealing_rust
[INFO] tweaked toml for git repo https://github.com/ruanLN/simulated_annealing_rust written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/ruanLN/simulated_annealing_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e418a38cdc526f8c6d621f307a84a77cd2715d2e8e8ed7449c5ee73598dd8e24
[INFO] running `Command { std: "docker" "start" "-a" "e418a38cdc526f8c6d621f307a84a77cd2715d2e8e8ed7449c5ee73598dd8e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e418a38cdc526f8c6d621f307a84a77cd2715d2e8e8ed7449c5ee73598dd8e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e418a38cdc526f8c6d621f307a84a77cd2715d2e8e8ed7449c5ee73598dd8e24", kill_on_drop: false }`
[INFO] [stdout] e418a38cdc526f8c6d621f307a84a77cd2715d2e8e8ed7449c5ee73598dd8e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45362879969cd6e24ed48e80657df9e3293483c50e97cf5b4a40d1ec1953bef9
[INFO] running `Command { std: "docker" "start" "-a" "45362879969cd6e24ed48e80657df9e3293483c50e97cf5b4a40d1ec1953bef9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.12
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling simulated_annealing_bpp_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:72:65
[INFO] [stdout]    |
[INFO] [stdout] 72 |         Err(why) => panic!("couldn't open {}: {}", display,    why.description()),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "45362879969cd6e24ed48e80657df9e3293483c50e97cf5b4a40d1ec1953bef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45362879969cd6e24ed48e80657df9e3293483c50e97cf5b4a40d1ec1953bef9", kill_on_drop: false }`
[INFO] [stdout] 45362879969cd6e24ed48e80657df9e3293483c50e97cf5b4a40d1ec1953bef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff417d63880c76617533064bc2d28c9fd71055c1941ed7f27f383c1fe4fc32aa
[INFO] running `Command { std: "docker" "start" "-a" "ff417d63880c76617533064bc2d28c9fd71055c1941ed7f27f383c1fe4fc32aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling simulated_annealing_bpp_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:72:65
[INFO] [stdout]    |
[INFO] [stdout] 72 |         Err(why) => panic!("couldn't open {}: {}", display,    why.description()),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/simulated_annealing_bpp_rust-e7b6813f83e6fc17)
[INFO] running `Command { std: "docker" "inspect" "ff417d63880c76617533064bc2d28c9fd71055c1941ed7f27f383c1fe4fc32aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff417d63880c76617533064bc2d28c9fd71055c1941ed7f27f383c1fe4fc32aa", kill_on_drop: false }`
[INFO] [stdout] ff417d63880c76617533064bc2d28c9fd71055c1941ed7f27f383c1fe4fc32aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1ee23e53ee4fc5ae2e033ab9a953714cfdbf9a9b220953ab01190f5fe843d0b
[INFO] running `Command { std: "docker" "start" "-a" "c1ee23e53ee4fc5ae2e033ab9a953714cfdbf9a9b220953ab01190f5fe843d0b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:72:65
[INFO] [stderr]    |
[INFO] [stderr] 72 |         Err(why) => panic!("couldn't open {}: {}", display,    why.description()),
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simulated_annealing_bpp_rust` (bin "simulated_annealing_bpp_rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simulated_annealing_bpp_rust-e7b6813f83e6fc17)
[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" "c1ee23e53ee4fc5ae2e033ab9a953714cfdbf9a9b220953ab01190f5fe843d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ee23e53ee4fc5ae2e033ab9a953714cfdbf9a9b220953ab01190f5fe843d0b", kill_on_drop: false }`
[INFO] [stdout] c1ee23e53ee4fc5ae2e033ab9a953714cfdbf9a9b220953ab01190f5fe843d0b