[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 }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielHe4rt%2Ftwitter-scylladb-rust-university'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dea1cc399b9f77172437d5a498c4f573d9ad0dfe
[INFO] testing DanielHe4rt/twitter-scylladb-rust-university against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielHe4rt%2Ftwitter-scylladb-rust-university" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DanielHe4rt/twitter-scylladb-rust-university on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DanielHe4rt/twitter-scylladb-rust-university already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0729615d525d9751f533187fc847877ca169ca4e310a0fdfcc0e869469f3b764
[INFO] running `Command { std: "docker" "start" "-a" "0729615d525d9751f533187fc847877ca169ca4e310a0fdfcc0e869469f3b764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0729615d525d9751f533187fc847877ca169ca4e310a0fdfcc0e869469f3b764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0729615d525d9751f533187fc847877ca169ca4e310a0fdfcc0e869469f3b764", kill_on_drop: false }`
[INFO] [stdout] 0729615d525d9751f533187fc847877ca169ca4e310a0fdfcc0e869469f3b764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb34f1ba1e3bfd1bd44f509c2efcf5b54ef3578d1f2d7b9d21ec622bae401dc6
[INFO] running `Command { std: "docker" "start" "-a" "cb34f1ba1e3bfd1bd44f509c2efcf5b54ef3578d1f2d7b9d21ec622bae401dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling lz4_flex v0.11.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling bigdecimal v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling histogram v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling secrecy v0.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling deunicode v1.4.4
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling scylla-macros v0.5.0
[INFO] [stderr]    Compiling dummy v0.7.0
[INFO] [stderr]    Compiling pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling fake v2.9.2
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling anyerror v0.1.12
[INFO] [stderr]    Compiling scylla-cql v0.2.0
[INFO] [stderr]    Compiling scylla v0.13.0
[INFO] [stderr]    Compiling charybdis_parser v0.7.0
[INFO] [stderr]    Compiling charybdis_macros v0.7.0
[INFO] [stderr]    Compiling charybdis v0.7.0
[INFO] [stderr]    Compiling step-1 v0.1.0 (/opt/rustwide/workdir/lessons/step1)
[INFO] [stderr]    Compiling step-5 v0.1.0 (/opt/rustwide/workdir/lessons/step5)
[INFO] [stderr]    Compiling step-3 v0.1.0 (/opt/rustwide/workdir/lessons/step3)
[INFO] [stderr]    Compiling step-6 v0.1.0 (/opt/rustwide/workdir/lessons/step6)
[INFO] [stderr]    Compiling step-4 v0.1.0 (/opt/rustwide/workdir/lessons/step4)
[INFO] [stderr]    Compiling step-2 v0.1.0 (/opt/rustwide/workdir/lessons/step2)
[INFO] [stderr]    Compiling step-7 v0.1.0 (/opt/rustwide/workdir/lessons/step7)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `step-6` (bin "step-6"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/33835004928d3bf65db4d4712e1330766263b0bd/bin/rustc --crate-name step_6 --edition=2021 lessons/step6/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=cd42f0e3485cd99b -C extra-filename=-36c8ea79034fa411 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyerror=/opt/rustwide/target/debug/deps/libanyerror-d6752519cc408c8f.rlib --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-39bdf24ba46a92f9.rlib --extern charybdis=/opt/rustwide/target/debug/deps/libcharybdis-87d875f2475b7341.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-d0af75ea0b070283.rlib --extern dotenvy=/opt/rustwide/target/debug/deps/libdotenvy-be9b890638a1bff4.rlib --extern fake=/opt/rustwide/target/debug/deps/libfake-b2d851a0e66870fe.rlib --extern hdrhistogram=/opt/rustwide/target/debug/deps/libhdrhistogram-54279d236ce12100.rlib --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-8da890facb473338.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-3aedd92d58e2dffa.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-55e2f9860b68a448.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-2351df58e4822167.rlib --extern scylla=/opt/rustwide/target/debug/deps/libscylla-391d8f9aff8701f9.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9a111f06ae4b7d86.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f8e760a8f12e5891.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-de4aaf70a4b028f5.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cb34f1ba1e3bfd1bd44f509c2efcf5b54ef3578d1f2d7b9d21ec622bae401dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb34f1ba1e3bfd1bd44f509c2efcf5b54ef3578d1f2d7b9d21ec622bae401dc6", kill_on_drop: false }`
[INFO] [stdout] cb34f1ba1e3bfd1bd44f509c2efcf5b54ef3578d1f2d7b9d21ec622bae401dc6
