[INFO] cloning repository https://github.com/DanielHe4rt/twitter-scylladb-rust-university
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielHe4rt/twitter-scylladb-rust-university" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielHe4rt%2Ftwitter-scylladb-rust-university", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dea1cc399b9f77172437d5a498c4f573d9ad0dfe
[INFO] testing DanielHe4rt/twitter-scylladb-rust-university against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielHe4rt%2Ftwitter-scylladb-rust-university" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanielHe4rt/twitter-scylladb-rust-university on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
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[INFO] started tweaking git repo https://github.com/DanielHe4rt/twitter-scylladb-rust-university
[INFO] finished tweaking git repo https://github.com/DanielHe4rt/twitter-scylladb-rust-university
[INFO] tweaked toml for git repo https://github.com/DanielHe4rt/twitter-scylladb-rust-university written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DanielHe4rt/twitter-scylladb-rust-university already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling charybdis v0.7.0
[INFO] [stderr]    Compiling step-7 v0.1.0 (/opt/rustwide/workdir/lessons/step7)
[INFO] [stderr]    Compiling step-4 v0.1.0 (/opt/rustwide/workdir/lessons/step4)
[INFO] [stderr]    Compiling step-3 v0.1.0 (/opt/rustwide/workdir/lessons/step3)
[INFO] [stderr]    Compiling step-5 v0.1.0 (/opt/rustwide/workdir/lessons/step5)
[INFO] [stderr]    Compiling step-1 v0.1.0 (/opt/rustwide/workdir/lessons/step1)
[INFO] [stderr]    Compiling step-6 v0.1.0 (/opt/rustwide/workdir/lessons/step6)
[INFO] [stderr]    Compiling step-2 v0.1.0 (/opt/rustwide/workdir/lessons/step2)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> lessons/step2/src/workers/ingestion.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::statement::Consistency`
[INFO] [stdout]  --> lessons/step6/src/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scylla::statement::Consistency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::statement::Consistency`
[INFO] [stdout]  --> lessons/step7/src/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scylla::statement::Consistency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutionProfile`
[INFO] [stdout]  --> lessons/step5/src/connection.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use scylla::{ExecutionProfile, Session, SessionBuilder};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::load_balancing::DefaultPolicy`
[INFO] [stdout]  --> lessons/step5/src/connection.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scylla::load_balancing::DefaultPolicy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::statement::Consistency`
[INFO] [stdout]  --> lessons/step5/src/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scylla::statement::Consistency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `Command { std: "docker" "inspect" "2375fca17e1346fa084762b78dedd9da8ade90c896f6a78b1a995bb9e6089b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2375fca17e1346fa084762b78dedd9da8ade90c896f6a78b1a995bb9e6089b3b", kill_on_drop: false }`
[INFO] [stdout] 2375fca17e1346fa084762b78dedd9da8ade90c896f6a78b1a995bb9e6089b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d474e88c3e50551f2963ac0227ade518e94bbde3858a1ec65cf477b572f3b708
[INFO] running `Command { std: "docker" "start" "-a" "d474e88c3e50551f2963ac0227ade518e94bbde3858a1ec65cf477b572f3b708", kill_on_drop: false }`
[INFO] [stderr]    Compiling step-3 v0.1.0 (/opt/rustwide/workdir/lessons/step3)
[INFO] [stderr]    Compiling step-2 v0.1.0 (/opt/rustwide/workdir/lessons/step2)
[INFO] [stderr]    Compiling step-4 v0.1.0 (/opt/rustwide/workdir/lessons/step4)
[INFO] [stderr]    Compiling step-6 v0.1.0 (/opt/rustwide/workdir/lessons/step6)
[INFO] [stderr]    Compiling step-1 v0.1.0 (/opt/rustwide/workdir/lessons/step1)
[INFO] [stderr]    Compiling step-7 v0.1.0 (/opt/rustwide/workdir/lessons/step7)
[INFO] [stderr]    Compiling step-5 v0.1.0 (/opt/rustwide/workdir/lessons/step5)
[INFO] [stdout] warning: unused import: `ExecutionProfile`
[INFO] [stdout]  --> lessons/step5/src/connection.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use scylla::{ExecutionProfile, Session, SessionBuilder};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::load_balancing::DefaultPolicy`
[INFO] [stdout]  --> lessons/step5/src/connection.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scylla::load_balancing::DefaultPolicy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::statement::Consistency`
[INFO] [stdout]  --> lessons/step5/src/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scylla::statement::Consistency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::statement::Consistency`
[INFO] [stdout]  --> lessons/step7/src/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scylla::statement::Consistency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> lessons/step2/src/workers/ingestion.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scylla::statement::Consistency`
[INFO] [stdout]  --> lessons/step6/src/connection.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scylla::statement::Consistency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "d474e88c3e50551f2963ac0227ade518e94bbde3858a1ec65cf477b572f3b708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d474e88c3e50551f2963ac0227ade518e94bbde3858a1ec65cf477b572f3b708", kill_on_drop: false }`
[INFO] [stdout] d474e88c3e50551f2963ac0227ade518e94bbde3858a1ec65cf477b572f3b708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0b4f469f5e0d7ec0cd85ad91a9d2bb08d59df5ca983d7151ec3dc4c0cf5c10b
[INFO] running `Command { std: "docker" "start" "-a" "c0b4f469f5e0d7ec0cd85ad91a9d2bb08d59df5ca983d7151ec3dc4c0cf5c10b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]  --> lessons/step2/src/workers/ingestion.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scylla::statement::Consistency`
[INFO] [stderr]  --> lessons/step6/src/connection.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use scylla::statement::Consistency;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scylla::statement::Consistency`
[INFO] [stderr]  --> lessons/step7/src/connection.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use scylla::statement::Consistency;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExecutionProfile`
[INFO] [stderr]  --> lessons/step5/src/connection.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use scylla::{ExecutionProfile, Session, SessionBuilder};
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scylla::load_balancing::DefaultPolicy`
[INFO] [stderr]  --> lessons/step5/src/connection.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use scylla::load_balancing::DefaultPolicy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scylla::statement::Consistency`
[INFO] [stderr]  --> lessons/step5/src/connection.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use scylla::statement::Consistency;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `step-2` (bin "step-2" test) generated 1 warning (run `cargo fix --bin "step-2" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `step-6` (bin "step-6" test) generated 1 warning (run `cargo fix --bin "step-6" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `step-7` (bin "step-7" test) generated 1 warning (run `cargo fix --bin "step-7" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `step-5` (bin "step-5" test) generated 3 warnings (run `cargo fix --bin "step-5" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_1-0291d009255861de)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_2-0ee955a7148173f2)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_3-2575ef7b2dc1a774)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_4-65946b1ad0a7fc2d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_5-4df26f3a9d36d0b3)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_6-a5b3e16af949cc08)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_7-78aca945d7b293f1)
[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" "c0b4f469f5e0d7ec0cd85ad91a9d2bb08d59df5ca983d7151ec3dc4c0cf5c10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b4f469f5e0d7ec0cd85ad91a9d2bb08d59df5ca983d7151ec3dc4c0cf5c10b", kill_on_drop: false }`
[INFO] [stdout] c0b4f469f5e0d7ec0cd85ad91a9d2bb08d59df5ca983d7151ec3dc4c0cf5c10b