[INFO] cloning repository https://github.com/hannahellis4242/sudoku_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hannahellis4242/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhannahellis4242%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhannahellis4242%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71a749e934a0d9f6b468f9e346303f18d6464372 [INFO] testing hannahellis4242/sudoku_solver against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhannahellis4242%2Fsudoku_solver" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hannahellis4242/sudoku_solver on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hannahellis4242/sudoku_solver [INFO] finished tweaking git repo https://github.com/hannahellis4242/sudoku_solver [INFO] tweaked toml for git repo https://github.com/hannahellis4242/sudoku_solver written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/hannahellis4242/sudoku_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded valico v2.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53df91ac4288735ad3731ca5a324c630b546c17a7c96c15a36736b7e35a54fbc [INFO] running `Command { std: "docker" "start" "-a" "53df91ac4288735ad3731ca5a324c630b546c17a7c96c15a36736b7e35a54fbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53df91ac4288735ad3731ca5a324c630b546c17a7c96c15a36736b7e35a54fbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53df91ac4288735ad3731ca5a324c630b546c17a7c96c15a36736b7e35a54fbc", kill_on_drop: false }` [INFO] [stdout] 53df91ac4288735ad3731ca5a324c630b546c17a7c96c15a36736b7e35a54fbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 068b20ceba0634abf8337d281d380affd3d0099eb2d9c5893bea09b34d87b7cd [INFO] running `Command { std: "docker" "start" "-a" "068b20ceba0634abf8337d281d380affd3d0099eb2d9c5893bea09b34d87b7cd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] 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v0.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling want v0.0.4 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling publicsuffix v1.5.6 [INFO] [stderr] Compiling chrono v0.4.23 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling hyper v0.11.27 [INFO] [stderr] Compiling jsonway v2.0.0 [INFO] [stderr] Compiling regex v1.7.0 [INFO] [stderr] Compiling sudoku_solver2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `helper` is imported redundantly [INFO] [stdout] --> src/sudoku/mod.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 31 | mod helper; [INFO] [stdout] | ----------- the item `helper` is already defined here [INFO] [stdout] ... [INFO] [stdout] 35 | use sudoku::helper; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:153:23 [INFO] [stdout] | [INFO] [stdout] 153 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 153 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:143:49 [INFO] [stdout] | [INFO] [stdout] 143 | Err(error) => make_error_response(error.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.89s [INFO] running `Command { std: "docker" "inspect" "068b20ceba0634abf8337d281d380affd3d0099eb2d9c5893bea09b34d87b7cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "068b20ceba0634abf8337d281d380affd3d0099eb2d9c5893bea09b34d87b7cd", kill_on_drop: false }` [INFO] [stdout] 068b20ceba0634abf8337d281d380affd3d0099eb2d9c5893bea09b34d87b7cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8ce0c249ef4f36b49a3428d019beb63d4689ae753804d563daafd165b8c68f3e [INFO] running `Command { std: "docker" "start" "-a" "8ce0c249ef4f36b49a3428d019beb63d4689ae753804d563daafd165b8c68f3e", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku_solver2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `helper` is imported redundantly [INFO] [stdout] --> src/sudoku/mod.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 31 | mod helper; [INFO] [stdout] | ----------- the item `helper` is already defined here [INFO] [stdout] ... [INFO] [stdout] 35 | use sudoku::helper; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:153:23 [INFO] [stdout] | [INFO] [stdout] 153 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 153 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:143:49 [INFO] [stdout] | [INFO] [stdout] 143 | Err(error) => make_error_response(error.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "8ce0c249ef4f36b49a3428d019beb63d4689ae753804d563daafd165b8c68f3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ce0c249ef4f36b49a3428d019beb63d4689ae753804d563daafd165b8c68f3e", kill_on_drop: false }` [INFO] [stdout] 8ce0c249ef4f36b49a3428d019beb63d4689ae753804d563daafd165b8c68f3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8b78623b69925380e603a08236ec38e9d29655e3273482814353ae027e6009b6 [INFO] running `Command { std: "docker" "start" "-a" "8b78623b69925380e603a08236ec38e9d29655e3273482814353ae027e6009b6", kill_on_drop: false }` [INFO] [stderr] warning: the item `helper` is imported redundantly [INFO] [stderr] --> src/sudoku/mod.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 31 | mod helper; [INFO] [stderr] | ----------- the item `helper` is already defined here [INFO] [stderr] ... [INFO] [stderr] 35 | use sudoku::helper; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:153:23 [INFO] [stderr] | [INFO] [stderr] 153 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 153 | type Future = Box>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:143:49 [INFO] [stderr] | [INFO] [stderr] 143 | Err(error) => make_error_response(error.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `sudoku_solver2` (bin "sudoku_solver2" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/sudoku_solver2-89352dd898a649dc) [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" "8b78623b69925380e603a08236ec38e9d29655e3273482814353ae027e6009b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b78623b69925380e603a08236ec38e9d29655e3273482814353ae027e6009b6", kill_on_drop: false }` [INFO] [stdout] 8b78623b69925380e603a08236ec38e9d29655e3273482814353ae027e6009b6