[INFO] cloning repository https://github.com/cwmoo740/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwmoo740/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwmoo740%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwmoo740%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2019c3724eee1ed27fa2e5a97c9f0e4629111500
[INFO] testing cwmoo740/rust-practice against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwmoo740%2Frust-practice" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwmoo740/rust-practice on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwmoo740/rust-practice
[INFO] finished tweaking git repo https://github.com/cwmoo740/rust-practice
[INFO] tweaked toml for git repo https://github.com/cwmoo740/rust-practice written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cwmoo740/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54164ec3263ebf0c105f8874cc16e6d5d163f96a9baca4a682d51f27abf72ca8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54164ec3263ebf0c105f8874cc16e6d5d163f96a9baca4a682d51f27abf72ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54164ec3263ebf0c105f8874cc16e6d5d163f96a9baca4a682d51f27abf72ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54164ec3263ebf0c105f8874cc16e6d5d163f96a9baca4a682d51f27abf72ca8", kill_on_drop: false }`
[INFO] [stdout] 54164ec3263ebf0c105f8874cc16e6d5d163f96a9baca4a682d51f27abf72ca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c58551e12c85a6e521cb1d69b7f7b305b904d964fc66841ee3d0fdae9f8d6dc5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c58551e12c85a6e521cb1d69b7f7b305b904d964fc66841ee3d0fdae9f8d6dc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cracking_coding/permutations_in_string.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 27 -             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stdout] 27 +             None => panic!("character {} not in alphabet", ch)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "c58551e12c85a6e521cb1d69b7f7b305b904d964fc66841ee3d0fdae9f8d6dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58551e12c85a6e521cb1d69b7f7b305b904d964fc66841ee3d0fdae9f8d6dc5", kill_on_drop: false }`
[INFO] [stdout] c58551e12c85a6e521cb1d69b7f7b305b904d964fc66841ee3d0fdae9f8d6dc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81cc87a862cdafccd0378b56af0d75c96bca605f7ac599e8e294c61c2b89f0ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81cc87a862cdafccd0378b56af0d75c96bca605f7ac599e8e294c61c2b89f0ef", kill_on_drop: false }`
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cracking_coding/permutations_in_string.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 27 -             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stdout] 27 +             None => panic!("character {} not in alphabet", ch)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cracking_coding/permutations_in_string.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 27 -             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stdout] 27 +             None => panic!("character {} not in alphabet", ch)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "81cc87a862cdafccd0378b56af0d75c96bca605f7ac599e8e294c61c2b89f0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81cc87a862cdafccd0378b56af0d75c96bca605f7ac599e8e294c61c2b89f0ef", kill_on_drop: false }`
[INFO] [stdout] 81cc87a862cdafccd0378b56af0d75c96bca605f7ac599e8e294c61c2b89f0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08f6b6699189db6876b35f471ff3a15f6b78e11d3347085c94be21db0c495408
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08f6b6699189db6876b35f471ff3a15f6b78e11d3347085c94be21db0c495408", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/cracking_coding/permutations_in_string.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 27 -             None => panic!(format!("character {} not in alphabet", ch))
[INFO] [stderr] 27 +             None => panic!("character {} not in alphabet", ch)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_practice` (lib) generated 1 warning
[INFO] [stderr] warning: `rust_practice` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_practice-be65f7b924c12117)
[INFO] [stdout] running 22 tests
[INFO] [stdout] test cracking_coding::elements_in_common::tests::test_simple ... ok
[INFO] [stdout] test merge_sort::tests::sort_two_items ... ok
[INFO] [stdout] test merge_sort::tests::sort_one_item ... ok
[INFO] [stdout] test merge_sort::tests::simple_case ... ok
[INFO] [stdout] test cracking_coding::permutations_in_string::tests::zero_items ... ok
[INFO] [stdout] test cracking_coding::permutations_in_string::tests::test_create_pattern_hash ... ok
[INFO] [stdout] test stock_picking::tests::another_simple_case ... ok
[INFO] [stdout] test stock_picking::tests::impossible_case ... ok
[INFO] [stdout] test stock_picking::tests::simple_case ... ok
[INFO] [stdout] test stock_picking::tests::zero_stocks ... ok
[INFO] [stdout] test leetcode::repeated_string_match::tests::test_impossible ... ok
[INFO] [stdout] test cracking_coding::permutations_in_string::tests::simple_example ... ok
[INFO] [stdout] test merge_sort::tests::zero_items ... ok
[INFO] [stdout] test merge_sort::tests::merge_simple ... ok
[INFO] [stdout] test scheduling::tests::simple_test ... ok
[INFO] [stdout] test scheduling::tests::zero_jobs ... ok
[INFO] [stdout] test leetcode::repeated_string_match::tests::test_simple ... ok
[INFO] [stdout] test cracking_coding::permutations_in_string::tests::example ... ok
[INFO] [stdout] test scheduling::tests::one_job ... ok
[INFO] [stdout] test cracking_coding::elements_in_common::tests::test_complex ... ok
[INFO] [stdout] test scheduling::tests::real_test ... ok
[INFO] [stdout] test cracking_coding::elements_in_common::tests::test_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_practice
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/leetcode/repeated_string_match.rs - leetcode::repeated_string_match::solve (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08f6b6699189db6876b35f471ff3a15f6b78e11d3347085c94be21db0c495408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f6b6699189db6876b35f471ff3a15f6b78e11d3347085c94be21db0c495408", kill_on_drop: false }`
[INFO] [stdout] 08f6b6699189db6876b35f471ff3a15f6b78e11d3347085c94be21db0c495408