[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] ef9232b709b433b8112c70cc2f9d9bddadef126a [INFO] checking haiaty/neverstoplearning-rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaiaty%2Fneverstoplearning-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/haiaty/neverstoplearning-rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-9/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e35a8865a73c11ad6488e22870e1da91c27d6bda601cf017528fba23e61eafe [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3e35a8865a73c11ad6488e22870e1da91c27d6bda601cf017528fba23e61eafe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e35a8865a73c11ad6488e22870e1da91c27d6bda601cf017528fba23e61eafe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e35a8865a73c11ad6488e22870e1da91c27d6bda601cf017528fba23e61eafe", kill_on_drop: false }` [INFO] [stdout] 3e35a8865a73c11ad6488e22870e1da91c27d6bda601cf017528fba23e61eafe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dcdbeb227cc1caceba97b99e56a676905dc6fad51892a25d73b6b7385bc0238 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0dcdbeb227cc1caceba97b99e56a676905dc6fad51892a25d73b6b7385bc0238", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking parking v1.0.4 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking async-task v3.0.0 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling secp256k1-sys v0.1.2 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking rlp v0.4.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking concurrent-queue v1.1.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking encoding_rs v0.8.26 [INFO] [stderr] Checking impl-rlp v0.2.1 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking uint v0.8.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking secp256k1 v0.17.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking fixed-hash v0.6.1 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling futures-macro v0.3.5 [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] Checking tokio v0.2.21 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.5 [INFO] [stderr] Checking blocking v0.4.6 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking smol v0.1.18 [INFO] [stderr] Checking soketto v0.4.1 [INFO] [stderr] Checking async-std v1.6.2 [INFO] [stderr] Checking hyper v0.13.6 [INFO] [stderr] Checking parity-scale-codec v1.3.1 [INFO] [stderr] Checking impl-serde v0.3.1 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking ethbloom v0.9.2 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.9 [INFO] [stderr] Checking jsonrpc-core v14.2.0 [INFO] [stderr] Checking async-native-tls v0.3.3 [INFO] [stderr] Checking impl-codec v0.4.2 [INFO] [stderr] Checking primitive-types v0.7.2 [INFO] [stderr] Checking ethereum-types v0.9.2 [INFO] [stderr] Checking ethabi v12.0.0 [INFO] [stderr] Checking web3 v0.13.0 (https://github.com/tomusdrw/rust-web3#f8ed7137) [INFO] [stderr] Checking 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] [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 2m 34s [INFO] running `Command { std: "docker" "inspect" "0dcdbeb227cc1caceba97b99e56a676905dc6fad51892a25d73b6b7385bc0238", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dcdbeb227cc1caceba97b99e56a676905dc6fad51892a25d73b6b7385bc0238", kill_on_drop: false }` [INFO] [stdout] 0dcdbeb227cc1caceba97b99e56a676905dc6fad51892a25d73b6b7385bc0238