[INFO] cloning repository https://github.com/cass-bennett/plank-arranger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cass-bennett/plank-arranger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcass-bennett%2Fplank-arranger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcass-bennett%2Fplank-arranger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca276e151e8bafbe412f1b358dcceceefbd5ac1f [INFO] testing cass-bennett/plank-arranger against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcass-bennett%2Fplank-arranger" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cass-bennett/plank-arranger on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cass-bennett/plank-arranger [INFO] finished tweaking git repo https://github.com/cass-bennett/plank-arranger [INFO] tweaked toml for git repo https://github.com/cass-bennett/plank-arranger written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/cass-bennett/plank-arranger already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v0.4.1 [INFO] [stderr] Downloaded priority-queue v0.6.0 [INFO] [stderr] Downloaded bitvec v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c86f78d7ad8b3f63f3ca8275ae756f9fd417b380ae53785b76ed9992049a971a [INFO] running `Command { std: "docker" "start" "-a" "c86f78d7ad8b3f63f3ca8275ae756f9fd417b380ae53785b76ed9992049a971a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c86f78d7ad8b3f63f3ca8275ae756f9fd417b380ae53785b76ed9992049a971a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c86f78d7ad8b3f63f3ca8275ae756f9fd417b380ae53785b76ed9992049a971a", kill_on_drop: false }` [INFO] [stdout] c86f78d7ad8b3f63f3ca8275ae756f9fd417b380ae53785b76ed9992049a971a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd4ad0185d134c900b9992bf2b40b8f9fc5af7d070287b95ccbf2b6c7624ee79 [INFO] running `Command { std: "docker" "start" "-a" "bd4ad0185d134c900b9992bf2b40b8f9fc5af7d070287b95ccbf2b6c7624ee79", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling indexmap v0.4.1 [INFO] [stderr] Compiling bitvec v0.13.0 [INFO] [stderr] Compiling getopts v0.2.19 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling priority-queue v0.6.0 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling plank-arranger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:42:28 [INFO] [stdout] | [INFO] [stdout] 42 | Err(f) => { panic!(f.to_string()) } [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 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 42 | Err(f) => { panic!("{}", f.to_string()) } [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 10.90s [INFO] running `Command { std: "docker" "inspect" "bd4ad0185d134c900b9992bf2b40b8f9fc5af7d070287b95ccbf2b6c7624ee79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd4ad0185d134c900b9992bf2b40b8f9fc5af7d070287b95ccbf2b6c7624ee79", kill_on_drop: false }` [INFO] [stdout] bd4ad0185d134c900b9992bf2b40b8f9fc5af7d070287b95ccbf2b6c7624ee79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe65d60172150cd60fdd9b2e7584185346a461bd6eac624411d47a4f8fd62b4f [INFO] running `Command { std: "docker" "start" "-a" "fe65d60172150cd60fdd9b2e7584185346a461bd6eac624411d47a4f8fd62b4f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling plank-arranger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:42:28 [INFO] [stdout] | [INFO] [stdout] 42 | Err(f) => { panic!(f.to_string()) } [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 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 42 | Err(f) => { panic!("{}", f.to_string()) } [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 1.10s [INFO] running `Command { std: "docker" "inspect" "fe65d60172150cd60fdd9b2e7584185346a461bd6eac624411d47a4f8fd62b4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe65d60172150cd60fdd9b2e7584185346a461bd6eac624411d47a4f8fd62b4f", kill_on_drop: false }` [INFO] [stdout] fe65d60172150cd60fdd9b2e7584185346a461bd6eac624411d47a4f8fd62b4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 55c9bf1f0f823fbae206ba1c2089bbf853f7f73096b16a766f68e25825806830 [INFO] running `Command { std: "docker" "start" "-a" "55c9bf1f0f823fbae206ba1c2089bbf853f7f73096b16a766f68e25825806830", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:42:28 [INFO] [stderr] | [INFO] [stderr] 42 | Err(f) => { panic!(f.to_string()) } [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 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 42 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `plank-arranger` (bin "plank-arranger" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/plank_arranger-14fa8873ee40d8c4) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_plank_initializer ... ok [INFO] [stdout] test tests::test_next_fn_all_unique ... ok [INFO] [stdout] test tests::test_next_some_repeats ... ok [INFO] [stdout] test tests::test_soln_1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "55c9bf1f0f823fbae206ba1c2089bbf853f7f73096b16a766f68e25825806830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55c9bf1f0f823fbae206ba1c2089bbf853f7f73096b16a766f68e25825806830", kill_on_drop: false }` [INFO] [stdout] 55c9bf1f0f823fbae206ba1c2089bbf853f7f73096b16a766f68e25825806830