[INFO] cloning repository https://github.com/haiaty/neverstoplearning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haiaty/neverstoplearning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaiaty%2Fneverstoplearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaiaty%2Fneverstoplearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 73a69e0ce831972dcccb30661691a28ae875707f [INFO] testing haiaty/neverstoplearning-rust against 1.63.0 for beta-1.64-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaiaty%2Fneverstoplearning-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/haiaty/neverstoplearning-rust on toolchain 1.63.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/haiaty/neverstoplearning-rust [INFO] finished tweaking git repo https://github.com/haiaty/neverstoplearning-rust [INFO] tweaked toml for git repo https://github.com/haiaty/neverstoplearning-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/haiaty/neverstoplearning-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/tomusdrw/rust-web3` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ethereum-types v0.9.2 [INFO] [stderr] Downloaded rlp v0.4.5 [INFO] [stderr] Downloaded rustc-hex v2.1.0 [INFO] [stderr] Downloaded secp256k1 v0.17.2 [INFO] [stderr] Downloaded secp256k1-sys v0.1.2 [INFO] [stderr] Downloaded ethabi v12.0.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.69 [INFO] [stderr] Downloaded pin-project-lite v0.2.0 [INFO] [stderr] Downloaded impl-rlp v0.2.1 [INFO] [stderr] Downloaded wasm-bindgen-test-macro v0.3.19 [INFO] [stderr] Downloaded async-native-tls v0.3.3 [INFO] [stderr] Downloaded reqwest v0.10.9 [INFO] [stderr] Downloaded wasm-bindgen-test v0.3.19 [INFO] [stderr] Downloaded tiny-keccak v1.5.0 [INFO] [stderr] Downloaded console_error_panic_hook v0.1.6 [INFO] [stderr] Downloaded soketto v0.4.1 [INFO] [stderr] Downloaded crunchy v0.2.2 [INFO] [stderr] Downloaded fixed-hash v0.6.1 [INFO] [stderr] Downloaded byte-slice-cast v0.3.5 [INFO] [stderr] Downloaded impl-codec v0.4.2 [INFO] [stderr] Downloaded bitvec v0.17.4 [INFO] [stderr] Downloaded tiny-keccak v2.0.2 [INFO] [stderr] Downloaded js-sys v0.3.46 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.19 [INFO] [stderr] Downloaded radium v0.3.0 [INFO] [stderr] Downloaded parity-scale-codec v1.3.1 [INFO] [stderr] Downloaded impl-serde v0.3.1 [INFO] [stderr] Downloaded ethbloom v0.9.2 [INFO] [stderr] Downloaded primitive-types v0.7.2 [INFO] [stderr] Downloaded uint v0.8.3 [INFO] [stderr] Downloaded jsonrpc-core v14.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0857864d6b61399e2bb4967af1975259b065bab97e1f97152e370fa41f1de99d [INFO] running `Command { std: "docker" "start" "-a" "0857864d6b61399e2bb4967af1975259b065bab97e1f97152e370fa41f1de99d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0857864d6b61399e2bb4967af1975259b065bab97e1f97152e370fa41f1de99d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0857864d6b61399e2bb4967af1975259b065bab97e1f97152e370fa41f1de99d", kill_on_drop: false }` [INFO] [stdout] 0857864d6b61399e2bb4967af1975259b065bab97e1f97152e370fa41f1de99d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e25a1f7d346d87e17a24e3df75245c0eeaf65df17cde9c0f610e84276ca0babb [INFO] running `Command { std: "docker" "start" "-a" "e25a1f7d346d87e17a24e3df75245c0eeaf65df17cde9c0f610e84276ca0babb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling rustc-hex v2.1.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling radium v0.3.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling byte-slice-cast v0.3.5 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling parking v1.0.4 [INFO] [stderr] Compiling instant v0.1.6 [INFO] [stderr] Compiling smallvec v1.4.1 [INFO] [stderr] Compiling encoding_rs v0.8.26 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling pin-project-lite v0.2.0 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling rlp v0.4.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling bitvec v0.17.4 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling impl-rlp v0.2.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling tiny-keccak v1.5.0 [INFO] [stderr] Compiling parking_lot v0.11.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling secp256k1-sys v0.1.2 [INFO] [stderr] Compiling uint v0.8.3 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling fixed-hash v0.6.1 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling secp256k1 v0.17.2 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling derive_more v0.99.9 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling h2 v0.2.5 [INFO] [stderr] Compiling blocking v0.4.6 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling soketto v0.4.1 [INFO] [stderr] Compiling smol v0.1.18 [INFO] [stderr] Compiling async-std v1.6.2 [INFO] [stderr] Compiling hyper v0.13.6 [INFO] [stderr] Compiling parity-scale-codec v1.3.1 [INFO] [stderr] Compiling impl-serde v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling ethbloom v0.9.2 [INFO] [stderr] Compiling hyper-tls v0.4.3 [INFO] [stderr] Compiling reqwest v0.10.9 [INFO] [stderr] Compiling jsonrpc-core v14.2.0 [INFO] [stderr] Compiling async-native-tls v0.3.3 [INFO] [stderr] Compiling impl-codec v0.4.2 [INFO] [stderr] Compiling primitive-types v0.7.2 [INFO] [stderr] Compiling ethereum-types v0.9.2 [INFO] [stderr] Compiling ethabi v12.0.0 [INFO] [stderr] Compiling web3 v0.13.0 (https://github.com/tomusdrw/rust-web3#f8ed7137) [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/parallelism-concurrency/benchmark.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let body = reqwest::blocking::get("https://www.rust-lang.org").unwrap() [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/parallelism-concurrency/benchmark.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let body = reqwest::get("https://www.rust-lang.org").await.unwrap() [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.72s [INFO] running `Command { std: "docker" "inspect" "e25a1f7d346d87e17a24e3df75245c0eeaf65df17cde9c0f610e84276ca0babb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e25a1f7d346d87e17a24e3df75245c0eeaf65df17cde9c0f610e84276ca0babb", kill_on_drop: false }` [INFO] [stdout] e25a1f7d346d87e17a24e3df75245c0eeaf65df17cde9c0f610e84276ca0babb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e03f43bcb247fae508becc03a6c6f32513faecb3d7bb46b022e7f03d7327e824 [INFO] running `Command { std: "docker" "start" "-a" "e03f43bcb247fae508becc03a6c6f32513faecb3d7bb46b022e7f03d7327e824", kill_on_drop: false }` [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/parallelism-concurrency/benchmark.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let body = reqwest::blocking::get("https://www.rust-lang.org").unwrap() [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/parallelism-concurrency/benchmark.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let body = reqwest::get("https://www.rust-lang.org").await.unwrap() [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "e03f43bcb247fae508becc03a6c6f32513faecb3d7bb46b022e7f03d7327e824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e03f43bcb247fae508becc03a6c6f32513faecb3d7bb46b022e7f03d7327e824", kill_on_drop: false }` [INFO] [stdout] e03f43bcb247fae508becc03a6c6f32513faecb3d7bb46b022e7f03d7327e824 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 13396ef96b38ff343e1458e14a403f04f3cad4c89e013500fec26e46d075ea36 [INFO] running `Command { std: "docker" "start" "-a" "13396ef96b38ff343e1458e14a403f04f3cad4c89e013500fec26e46d075ea36", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/parallelism-concurrency/benchmark.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let body = reqwest::blocking::get("https://www.rust-lang.org").unwrap() [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/parallelism-concurrency/benchmark.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let body = reqwest::get("https://www.rust-lang.org").await.unwrap() [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stderr] [INFO] [stderr] warning: `learning_rust` (bin "test" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/parallelism-concurrency/benchmark.rs (/opt/rustwide/target/debug/deps/test-3ab92f7bd157e426) [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" "13396ef96b38ff343e1458e14a403f04f3cad4c89e013500fec26e46d075ea36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13396ef96b38ff343e1458e14a403f04f3cad4c89e013500fec26e46d075ea36", kill_on_drop: false }` [INFO] [stdout] 13396ef96b38ff343e1458e14a403f04f3cad4c89e013500fec26e46d075ea36