[INFO] cloning repository https://github.com/masinc/nlp100-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masinc/nlp100-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasinc%2Fnlp100-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasinc%2Fnlp100-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c4fa9ddc21ff46b00aa4d55a93113fa9c0ede2c8 [INFO] testing masinc/nlp100-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasinc%2Fnlp100-rust" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/masinc/nlp100-rust 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/masinc/nlp100-rust [INFO] finished tweaking git repo https://github.com/masinc/nlp100-rust [INFO] tweaked toml for git repo https://github.com/masinc/nlp100-rust written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/masinc/nlp100-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 96461d88917c09c76446999d78ca6fafea8b71e61b8f84083a35e58fd5ac300d [INFO] running `Command { std: "docker" "start" "-a" "96461d88917c09c76446999d78ca6fafea8b71e61b8f84083a35e58fd5ac300d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96461d88917c09c76446999d78ca6fafea8b71e61b8f84083a35e58fd5ac300d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96461d88917c09c76446999d78ca6fafea8b71e61b8f84083a35e58fd5ac300d", kill_on_drop: false }` [INFO] [stdout] 96461d88917c09c76446999d78ca6fafea8b71e61b8f84083a35e58fd5ac300d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 5e7175c831d2c410fef2aec44ddbd27c225bff1599cef1a1f448c43c928ea2b3 [INFO] running `Command { std: "docker" "start" "-a" "5e7175c831d2c410fef2aec44ddbd27c225bff1599cef1a1f448c43c928ea2b3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling thiserror v1.0.25 [INFO] [stderr] Compiling nlp100-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/ch01/problem06.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | x: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Result` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ch01/problem06.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/ch01/problem06.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | y: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Result` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ch01/problem06.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `union` [INFO] [stdout] --> src/ch01/problem06.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | union: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Result` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ch01/problem06.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `product` [INFO] [stdout] --> src/ch01/problem06.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | product: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Result` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ch01/problem06.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `difference` [INFO] [stdout] --> src/ch01/problem06.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | difference: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Result` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ch01/problem06.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.53s [INFO] running `Command { std: "docker" "inspect" "5e7175c831d2c410fef2aec44ddbd27c225bff1599cef1a1f448c43c928ea2b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e7175c831d2c410fef2aec44ddbd27c225bff1599cef1a1f448c43c928ea2b3", kill_on_drop: false }` [INFO] [stdout] 5e7175c831d2c410fef2aec44ddbd27c225bff1599cef1a1f448c43c928ea2b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 5ee2868a82a6078c3fb31254e64a7b000de26da5addf050c534a405cc99e5237 [INFO] running `Command { std: "docker" "start" "-a" "5ee2868a82a6078c3fb31254e64a7b000de26da5addf050c534a405cc99e5237", kill_on_drop: false }` [INFO] [stderr] Compiling nlp100-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "5ee2868a82a6078c3fb31254e64a7b000de26da5addf050c534a405cc99e5237", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ee2868a82a6078c3fb31254e64a7b000de26da5addf050c534a405cc99e5237", kill_on_drop: false }` [INFO] [stdout] 5ee2868a82a6078c3fb31254e64a7b000de26da5addf050c534a405cc99e5237 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 13ada729e034ee92a3c2a6419f1712755a8e599512b17a4361e83acfa50cdebd [INFO] running `Command { std: "docker" "start" "-a" "13ada729e034ee92a3c2a6419f1712755a8e599512b17a4361e83acfa50cdebd", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/nlp100_rust-e5d9141d61a6536a) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test ch01::problem00::tests::test ... ok [INFO] [stdout] test ch01::problem01::tests::test ... ok [INFO] [stdout] test ch01::problem02::tests::test ... ok [INFO] [stdout] test ch01::problem03::tests::test ... ok [INFO] [stdout] test ch01::problem05::tests::test ... ok [INFO] [stdout] test ch01::problem04::tests::test ... ok [INFO] [stdout] test ch01::problem08::tests::test ... ok [INFO] [stdout] test ch01::problem07::tests::test ... ok [INFO] [stdout] test ch01::problem06::tests::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "13ada729e034ee92a3c2a6419f1712755a8e599512b17a4361e83acfa50cdebd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13ada729e034ee92a3c2a6419f1712755a8e599512b17a4361e83acfa50cdebd", kill_on_drop: false }` [INFO] [stdout] 13ada729e034ee92a3c2a6419f1712755a8e599512b17a4361e83acfa50cdebd