[INFO] cloning repository https://github.com/kompendium-llc/fct-vanitygen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kompendium-llc/fct-vanitygen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkompendium-llc%2Ffct-vanitygen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkompendium-llc%2Ffct-vanitygen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f09dc1f1eefab54b4c98c693722945a23b3edd71 [INFO] checking kompendium-llc/fct-vanitygen against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkompendium-llc%2Ffct-vanitygen" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kompendium-llc/fct-vanitygen on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kompendium-llc/fct-vanitygen [INFO] finished tweaking git repo https://github.com/kompendium-llc/fct-vanitygen [INFO] tweaked toml for git repo https://github.com/kompendium-llc/fct-vanitygen written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/kompendium-llc/fct-vanitygen already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 869dc6aa1db8c85b3a2580506c3562b35b0804200c74b397c4265e1b783dcc6d [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" "869dc6aa1db8c85b3a2580506c3562b35b0804200c74b397c4265e1b783dcc6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "869dc6aa1db8c85b3a2580506c3562b35b0804200c74b397c4265e1b783dcc6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "869dc6aa1db8c85b3a2580506c3562b35b0804200c74b397c4265e1b783dcc6d", kill_on_drop: false }` [INFO] [stdout] 869dc6aa1db8c85b3a2580506c3562b35b0804200c74b397c4265e1b783dcc6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 944acd2e62ffb25a4d43de6ffa3ecd560d57053834cfe8cf7fbd7a315c6a08f8 [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" "944acd2e62ffb25a4d43de6ffa3ecd560d57053834cfe8cf7fbd7a315c6a08f8", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.57 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling subtle v2.1.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking bs58 v0.2.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking arrayvec v0.4.10 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Compiling curve25519-dalek v1.1.4 [INFO] [stderr] Checking regex v1.1.6 [INFO] [stderr] Checking ed25519-dalek v0.9.1 [INFO] [stderr] Checking fct-vanitygen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut count: u64 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut start = time::Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut count: u64 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let mut start = time::Instant::now(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut count: u64 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut start = time::Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut count: u64 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let mut start = time::Instant::now(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.15s [INFO] running `Command { std: "docker" "inspect" "944acd2e62ffb25a4d43de6ffa3ecd560d57053834cfe8cf7fbd7a315c6a08f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "944acd2e62ffb25a4d43de6ffa3ecd560d57053834cfe8cf7fbd7a315c6a08f8", kill_on_drop: false }` [INFO] [stdout] 944acd2e62ffb25a4d43de6ffa3ecd560d57053834cfe8cf7fbd7a315c6a08f8