[INFO] fetching crate stellar_vanity 0.8.0... [INFO] checking stellar_vanity-0.8.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate stellar_vanity 0.8.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate stellar_vanity 0.8.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate stellar_vanity 0.8.0 [INFO] finished tweaking crates.io crate stellar_vanity 0.8.0 [INFO] tweaked toml for crates.io crate stellar_vanity 0.8.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate stellar_vanity 0.8.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdbf79994d38556e8eb51dbd0b2af60d58f29332e680b265d9deca7868a98f73 [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" "cdbf79994d38556e8eb51dbd0b2af60d58f29332e680b265d9deca7868a98f73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdbf79994d38556e8eb51dbd0b2af60d58f29332e680b265d9deca7868a98f73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdbf79994d38556e8eb51dbd0b2af60d58f29332e680b265d9deca7868a98f73", kill_on_drop: false }` [INFO] [stdout] cdbf79994d38556e8eb51dbd0b2af60d58f29332e680b265d9deca7868a98f73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] babaaf93f20ba5eee647e8a4b9091aefcc5c53fb599345c6079caa57ebf31b31 [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" "babaaf93f20ba5eee647e8a4b9091aefcc5c53fb599345c6079caa57ebf31b31", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking zeroize v1.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking base32 v0.4.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking criterion-plot v0.4.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking plotters v0.2.14 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking curve25519-dalek v2.0.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking ed25519-dalek v1.0.0-pre.3 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.4 [INFO] [stderr] Compiling fstrings-proc-macro v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Checking fstrings v0.2.3 [INFO] [stderr] Checking stellar_vanity v0.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.2 [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> benches/benchmark.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | thread_tx.send(keypair); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> benches/benchmark.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | rx.recv(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 16s [INFO] running `Command { std: "docker" "inspect" "babaaf93f20ba5eee647e8a4b9091aefcc5c53fb599345c6079caa57ebf31b31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "babaaf93f20ba5eee647e8a4b9091aefcc5c53fb599345c6079caa57ebf31b31", kill_on_drop: false }` [INFO] [stdout] babaaf93f20ba5eee647e8a4b9091aefcc5c53fb599345c6079caa57ebf31b31