[INFO] cloning repository https://github.com/dotcs/rs-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotcs/rs-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcs%2Frs-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcs%2Frs-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc050b282231f75f31004fdf49c0e84984cc1f22
[INFO] testing dotcs/rs-sudoku against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcs%2Frs-sudoku" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dotcs/rs-sudoku
[INFO] finished tweaking git repo https://github.com/dotcs/rs-sudoku
[INFO] tweaked toml for git repo https://github.com/dotcs/rs-sudoku written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dotcs/rs-sudoku on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dotcs/rs-sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded libc v0.2.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 416f16afb590b363ae3e9e48a1b0df4989f2b47e4a7110a41304446f2dafe33e
[INFO] running `Command { std: "docker" "start" "-a" "416f16afb590b363ae3e9e48a1b0df4989f2b47e4a7110a41304446f2dafe33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416f16afb590b363ae3e9e48a1b0df4989f2b47e4a7110a41304446f2dafe33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416f16afb590b363ae3e9e48a1b0df4989f2b47e4a7110a41304446f2dafe33e", kill_on_drop: false }`
[INFO] [stdout] 416f16afb590b363ae3e9e48a1b0df4989f2b47e4a7110a41304446f2dafe33e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bd83832edf1254e7026f224e29d7670537d4cc59cb78daecbc4d1ec4c615ff5e
[INFO] running `Command { std: "docker" "start" "-a" "bd83832edf1254e7026f224e29d7670537d4cc59cb78daecbc4d1ec4c615ff5e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rs-sudoku v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "bd83832edf1254e7026f224e29d7670537d4cc59cb78daecbc4d1ec4c615ff5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd83832edf1254e7026f224e29d7670537d4cc59cb78daecbc4d1ec4c615ff5e", kill_on_drop: false }`
[INFO] [stdout] bd83832edf1254e7026f224e29d7670537d4cc59cb78daecbc4d1ec4c615ff5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] cf53171ef86ddd609c4723a6beaf4be5665cbd30928a86cf4c0d825e5778ece9
[INFO] running `Command { std: "docker" "start" "-a" "cf53171ef86ddd609c4723a6beaf4be5665cbd30928a86cf4c0d825e5778ece9", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling rs-sudoku v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "cf53171ef86ddd609c4723a6beaf4be5665cbd30928a86cf4c0d825e5778ece9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf53171ef86ddd609c4723a6beaf4be5665cbd30928a86cf4c0d825e5778ece9", kill_on_drop: false }`
[INFO] [stdout] cf53171ef86ddd609c4723a6beaf4be5665cbd30928a86cf4c0d825e5778ece9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b6b3430ef54b5714e3d935ea12af80ef68ae93b61adf373d174b23a3930ae2af
[INFO] running `Command { std: "docker" "start" "-a" "b6b3430ef54b5714e3d935ea12af80ef68ae93b61adf373d174b23a3930ae2af", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rs_sudoku-eabce052b0612e85)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test sudoku::common::tests::it_should_check_for_unique_numbers ... ok
[INFO] [stdout] test sudoku::grid::tests::it_should_return_field_value ... ok
[INFO] [stdout] test sudoku::tests::it_should_get_parcels ... ok
[INFO] [stdout] test sudoku::tests::it_should_flag_solution_as_done ... ok
[INFO] [stdout] test sudoku::field::tests::it_should_format ... ok
[INFO] [stdout] test sudoku::tests::it_should_flag_unsolved_sudoko_as_not_done ... ok
[INFO] [stdout] test sudoku::grid::tests::it_should_list_all_parcel_fields ... ok
[INFO] [stdout] test sudoku::common::tests::it_should_ignore_zeros ... ok
[INFO] [stdout] test sudoku::tests::it_should_be_valid ... ok
[INFO] [stdout] test sudoku::tests::it_should_give_columns ... ok
[INFO] [stdout] test sudoku::tests::it_should_give_rows ... ok
[INFO] [stdout] test sudoku::tests::it_should_mark_mutable_fields ... ok
[INFO] [stdout] test sudoku::tests::it_should_list_all_mutable_parcel_fields ... ok
[INFO] [stdout] test sudoku::tests::it_should_get_row_col_values ... ok
[INFO] [stdout] test sudoku::tests::it_should_read_file ... ok
[INFO] [stdout] test sudoku::tests::it_should_reset_values ... ok
[INFO] [stdout] test sudoku::tests::it_should_test_parcel_validity ... ok
[INFO] [stdout] test sudoku::tests::it_should_have_correct_field_guesses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6b3430ef54b5714e3d935ea12af80ef68ae93b61adf373d174b23a3930ae2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b3430ef54b5714e3d935ea12af80ef68ae93b61adf373d174b23a3930ae2af", kill_on_drop: false }`
[INFO] [stdout] b6b3430ef54b5714e3d935ea12af80ef68ae93b61adf373d174b23a3930ae2af