[INFO] cloning repository https://github.com/conlotor/spammers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conlotor/spammers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconlotor%2Fspammers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconlotor%2Fspammers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fac61fd460ab1c39f3bbd3b48d9cc97a8081080c
[INFO] testing conlotor/spammers against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconlotor%2Fspammers" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/conlotor/spammers
[INFO] finished tweaking git repo https://github.com/conlotor/spammers
[INFO] tweaked toml for git repo https://github.com/conlotor/spammers written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/conlotor/spammers on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/conlotor/spammers 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ea1794c1aaf5552bcbd8d2a3c474149f894eae48c357456726c9cf4021a924b
[INFO] running `Command { std: "docker" "start" "-a" "3ea1794c1aaf5552bcbd8d2a3c474149f894eae48c357456726c9cf4021a924b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea1794c1aaf5552bcbd8d2a3c474149f894eae48c357456726c9cf4021a924b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea1794c1aaf5552bcbd8d2a3c474149f894eae48c357456726c9cf4021a924b", kill_on_drop: false }`
[INFO] [stdout] 3ea1794c1aaf5552bcbd8d2a3c474149f894eae48c357456726c9cf4021a924b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e330020d2dfd6aa7fda0d6653a38d8885bfebf5577e76cc11d0f85f364e9f25
[INFO] running `Command { std: "docker" "start" "-a" "1e330020d2dfd6aa7fda0d6653a38d8885bfebf5577e76cc11d0f85f364e9f25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling base64ct v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling zeroize v1.5.7
[INFO] [stderr]    Compiling const-oid v0.9.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling der v0.6.0
[INFO] [stderr]    Compiling digest v0.10.5
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling sha3 v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling uint v0.9.4
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling spki v0.6.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pkcs8 v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.12.0
[INFO] [stderr]    Compiling crypto-bigint v0.4.8
[INFO] [stderr]    Compiling sec1 v0.3.0
[INFO] [stderr]    Compiling group v0.12.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling signature v1.6.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling elliptic-curve v0.12.3
[INFO] [stderr]    Compiling rfc6979 v0.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling ecdsa v0.14.7
[INFO] [stderr]    Compiling rust_decimal v1.26.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling k256 v0.11.5
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling base58check v0.1.0
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.22.4
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling password-hash v0.4.2
[INFO] [stderr]    Compiling blake2 v0.10.4
[INFO] [stderr]    Compiling ripemd v0.1.2
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling bech32 v0.7.3
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling salsa20 v0.9.0
[INFO] [stderr]    Compiling password-hash v0.3.2
[INFO] [stderr]    Compiling pbkdf2 v0.10.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling scrypt v0.8.1
[INFO] [stderr]    Compiling hashers v1.0.1
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling fastrlp-derive v0.1.2
[INFO] [stderr]    Compiling auto_impl v1.0.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling thiserror v1.0.34
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.1.3
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling coins-core v0.7.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rlp v0.5.1
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling coins-bip32 v0.7.0
[INFO] [stderr]    Compiling impl-rlp v0.3.0
[INFO] [stderr]    Compiling ethbloom v0.12.1
[INFO] [stderr]    Compiling coins-bip39 v0.7.0
[INFO] [stderr]    Compiling serde-aux v3.1.0
[INFO] [stderr]    Compiling eth-keystore v0.4.2
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling futures-locks v0.7.0
[INFO] [stderr]    Compiling h2 v0.3.14
[INFO] [stderr]    Compiling parity-scale-codec v3.2.1
[INFO] [stderr]    Compiling impl-codec v0.6.0
[INFO] [stderr]    Compiling primitive-types v0.11.1
[INFO] [stderr]    Compiling ethereum-types v0.13.1
[INFO] [stderr]    Compiling ethabi v17.2.0
[INFO] [stderr]    Compiling fastrlp v0.1.3
[INFO] [stderr]    Compiling hyper v0.14.20
[INFO] [stderr]    Compiling ethers-core v0.17.0
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.12
[INFO] [stderr]    Compiling ethers-providers v0.17.0
[INFO] [stderr]    Compiling ethers-signers v0.17.0
[INFO] [stderr]    Compiling ethers-etherscan v0.17.0
[INFO] [stderr]    Compiling ethers-addressbook v0.17.0
[INFO] [stderr]    Compiling ethers-contract v0.17.0
[INFO] [stderr]    Compiling ethers-middleware v0.17.0
[INFO] [stderr]    Compiling ethers v0.17.0
[INFO] [stderr]    Compiling spameth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `prelude::IteratorRandom`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     rand::{prelude::IteratorRandom, thread_rng, Rng},
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::SliceRandom; // 0.7.2
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 35s
[INFO] running `Command { std: "docker" "inspect" "1e330020d2dfd6aa7fda0d6653a38d8885bfebf5577e76cc11d0f85f364e9f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e330020d2dfd6aa7fda0d6653a38d8885bfebf5577e76cc11d0f85f364e9f25", kill_on_drop: false }`
[INFO] [stdout] 1e330020d2dfd6aa7fda0d6653a38d8885bfebf5577e76cc11d0f85f364e9f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfd28a32c3a606910234f11afdc93fff79882e8911f49313be45902c6f1a3d44
[INFO] running `Command { std: "docker" "start" "-a" "dfd28a32c3a606910234f11afdc93fff79882e8911f49313be45902c6f1a3d44", kill_on_drop: false }`
[INFO] [stderr]    Compiling spameth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `prelude::IteratorRandom`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     rand::{prelude::IteratorRandom, thread_rng, Rng},
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::SliceRandom; // 0.7.2
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "dfd28a32c3a606910234f11afdc93fff79882e8911f49313be45902c6f1a3d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd28a32c3a606910234f11afdc93fff79882e8911f49313be45902c6f1a3d44", kill_on_drop: false }`
[INFO] [stdout] dfd28a32c3a606910234f11afdc93fff79882e8911f49313be45902c6f1a3d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 982fbe1c70a6eed10145469ebc479635e557e91c33be601b6b1ba1fea3c1be72
[INFO] running `Command { std: "docker" "start" "-a" "982fbe1c70a6eed10145469ebc479635e557e91c33be601b6b1ba1fea3c1be72", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `prelude::IteratorRandom`
[INFO] [stderr]  --> src/main.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     rand::{prelude::IteratorRandom, thread_rng, Rng},
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::seq::SliceRandom; // 0.7.2
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spameth` (bin "spameth" test) generated 2 warnings (run `cargo fix --bin "spameth" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/spameth-2e158741c768b4a1)
[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" "982fbe1c70a6eed10145469ebc479635e557e91c33be601b6b1ba1fea3c1be72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982fbe1c70a6eed10145469ebc479635e557e91c33be601b6b1ba1fea3c1be72", kill_on_drop: false }`
[INFO] [stdout] 982fbe1c70a6eed10145469ebc479635e557e91c33be601b6b1ba1fea3c1be72
