[INFO] cloning repository https://github.com/coopersimon/RustSudokuSolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coopersimon/RustSudokuSolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 625478f44e697554545f1298cc703089843a1cb1
[INFO] testing coopersimon/RustSudokuSolver against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coopersimon/RustSudokuSolver on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] finished tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] tweaked toml for git repo https://github.com/coopersimon/RustSudokuSolver written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/coopersimon/RustSudokuSolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4643f8fe76e7e07e98c1acf38740f900d203e0d9fe6bca2e228e8de5b66b3170
[INFO] running `Command { std: "docker" "start" "-a" "4643f8fe76e7e07e98c1acf38740f900d203e0d9fe6bca2e228e8de5b66b3170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4643f8fe76e7e07e98c1acf38740f900d203e0d9fe6bca2e228e8de5b66b3170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4643f8fe76e7e07e98c1acf38740f900d203e0d9fe6bca2e228e8de5b66b3170", kill_on_drop: false }`
[INFO] [stdout] 4643f8fe76e7e07e98c1acf38740f900d203e0d9fe6bca2e228e8de5b66b3170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1074d1bfe6c42ab07e02359ce993533ba31d5491d8116418342d115ae73a80dc
[INFO] running `Command { std: "docker" "start" "-a" "1074d1bfe6c42ab07e02359ce993533ba31d5491d8116418342d115ae73a80dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[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/main.rs:187:28
[INFO] [stdout]     |
[INFO] [stdout] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[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 4m 54s
[INFO] running `Command { std: "docker" "inspect" "1074d1bfe6c42ab07e02359ce993533ba31d5491d8116418342d115ae73a80dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1074d1bfe6c42ab07e02359ce993533ba31d5491d8116418342d115ae73a80dc", kill_on_drop: false }`
[INFO] [stdout] 1074d1bfe6c42ab07e02359ce993533ba31d5491d8116418342d115ae73a80dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f636000cce0c2dd134da57785232e3727ba6e0a70229a4bc2deca5ad8be96a9d
[INFO] running `Command { std: "docker" "start" "-a" "f636000cce0c2dd134da57785232e3727ba6e0a70229a4bc2deca5ad8be96a9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[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/main.rs:187:28
[INFO] [stdout]     |
[INFO] [stdout] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "f636000cce0c2dd134da57785232e3727ba6e0a70229a4bc2deca5ad8be96a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f636000cce0c2dd134da57785232e3727ba6e0a70229a4bc2deca5ad8be96a9d", kill_on_drop: false }`
[INFO] [stdout] f636000cce0c2dd134da57785232e3727ba6e0a70229a4bc2deca5ad8be96a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0482b20291647ec9698e7fd2a2ff53eb2647bd5ae875f7895f0bf9c1d4fe439f
[INFO] running `Command { std: "docker" "start" "-a" "0482b20291647ec9698e7fd2a2ff53eb2647bd5ae875f7895f0bf9c1d4fe439f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:189:7
[INFO] [stderr]     |
[INFO] [stderr] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[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/main.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku_solver` (bin "sudoku_solver" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-d4f026854bc6f33e)
[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" "0482b20291647ec9698e7fd2a2ff53eb2647bd5ae875f7895f0bf9c1d4fe439f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0482b20291647ec9698e7fd2a2ff53eb2647bd5ae875f7895f0bf9c1d4fe439f", kill_on_drop: false }`
[INFO] [stdout] 0482b20291647ec9698e7fd2a2ff53eb2647bd5ae875f7895f0bf9c1d4fe439f