[INFO] crate rato 0.1.2 is already in cache
[INFO] testing rato-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate rato 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rato 0.1.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rato 0.1.2
[INFO] finished tweaking crates.io crate rato 0.1.2
[INFO] tweaked toml for crates.io crate rato 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8e611003e20ab46fe2807b319c88432297acce97294026300379d3a6d4a7afd
[INFO] running `"docker" "start" "-a" "d8e611003e20ab46fe2807b319c88432297acce97294026300379d3a6d4a7afd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling rato v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/rato.rs:414:17
[INFO] [stderr]     |
[INFO] [stderr] 414 | /                 (if let Err(e) = event_handler.on_cmd_flushdb(&db) {
[INFO] [stderr] 415 | |                     format!("-ERR FLUSHDB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] 416 | |                         .into_bytes()
[INFO] [stderr] 417 | |                         .to_vec()
[INFO] [stderr] 418 | |                 } else {
[INFO] [stderr] 419 | |                     b"+OK\r\n".to_vec()
[INFO] [stderr] 420 | |                 })
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 414 |                 if let Err(e) = event_handler.on_cmd_flushdb(&db) {
[INFO] [stderr] 415 |                     format!("-ERR FLUSHDB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] 416 |                         .into_bytes()
[INFO] [stderr] 417 |                         .to_vec()
[INFO] [stderr] 418 |                 } else {
[INFO] [stderr] 419 |                     b"+OK\r\n".to_vec()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/rato.rs:423:17
[INFO] [stderr]     |
[INFO] [stderr] 423 | /                 (match args.len() {
[INFO] [stderr] 424 | |                     1 => {
[INFO] [stderr] 425 | |                         if let Err(e) = event_handler.on_cmd_backupdb(&[]) {
[INFO] [stderr] 426 | |                             format!("-ERR Backup DB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] ...   |
[INFO] [stderr] 442 | |                     _ => RedisUtil::invalid_num_args(&args[0]),
[INFO] [stderr] 443 | |                 })
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 423 |                 match args.len() {
[INFO] [stderr] 424 |                     1 => {
[INFO] [stderr] 425 |                         if let Err(e) = event_handler.on_cmd_backupdb(&[]) {
[INFO] [stderr] 426 |                             format!("-ERR Backup DB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] 427 |                                 .into_bytes()
[INFO] [stderr] 428 |                                 .to_vec()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/rato.rs:446:17
[INFO] [stderr]     |
[INFO] [stderr] 446 | /                 (match args.len() {
[INFO] [stderr] 447 | |                     1 => {
[INFO] [stderr] 448 | |                         if let Err(e) = event_handler.on_cmd_backup_lru_keys(&[]) {
[INFO] [stderr] 449 | |                             format!(
[INFO] [stderr] ...   |
[INFO] [stderr] 471 | |                     _ => RedisUtil::invalid_num_args(&args[0]),
[INFO] [stderr] 472 | |                 })
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 match args.len() {
[INFO] [stderr] 447 |                     1 => {
[INFO] [stderr] 448 |                         if let Err(e) = event_handler.on_cmd_backup_lru_keys(&[]) {
[INFO] [stderr] 449 |                             format!(
[INFO] [stderr] 450 |                                 "-ERR BACKUP_LRU_KEYS Lru Keys Failed '{}'\r\n",
[INFO] [stderr] 451 |                                 e.to_string()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.94s
[INFO] running `"docker" "inspect" "d8e611003e20ab46fe2807b319c88432297acce97294026300379d3a6d4a7afd"`
[INFO] running `"docker" "rm" "-f" "d8e611003e20ab46fe2807b319c88432297acce97294026300379d3a6d4a7afd"`
[INFO] [stdout] d8e611003e20ab46fe2807b319c88432297acce97294026300379d3a6d4a7afd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfffab56c6f04873b0e9d4e973a6ede2958b4da9a65ee436918c518fdd1eb423
[INFO] running `"docker" "start" "-a" "cfffab56c6f04873b0e9d4e973a6ede2958b4da9a65ee436918c518fdd1eb423"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rato v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/rato.rs:414:17
[INFO] [stderr]     |
[INFO] [stderr] 414 | /                 (if let Err(e) = event_handler.on_cmd_flushdb(&db) {
[INFO] [stderr] 415 | |                     format!("-ERR FLUSHDB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] 416 | |                         .into_bytes()
[INFO] [stderr] 417 | |                         .to_vec()
[INFO] [stderr] 418 | |                 } else {
[INFO] [stderr] 419 | |                     b"+OK\r\n".to_vec()
[INFO] [stderr] 420 | |                 })
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 414 |                 if let Err(e) = event_handler.on_cmd_flushdb(&db) {
[INFO] [stderr] 415 |                     format!("-ERR FLUSHDB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] 416 |                         .into_bytes()
[INFO] [stderr] 417 |                         .to_vec()
[INFO] [stderr] 418 |                 } else {
[INFO] [stderr] 419 |                     b"+OK\r\n".to_vec()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/rato.rs:423:17
[INFO] [stderr]     |
[INFO] [stderr] 423 | /                 (match args.len() {
[INFO] [stderr] 424 | |                     1 => {
[INFO] [stderr] 425 | |                         if let Err(e) = event_handler.on_cmd_backupdb(&[]) {
[INFO] [stderr] 426 | |                             format!("-ERR Backup DB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] ...   |
[INFO] [stderr] 442 | |                     _ => RedisUtil::invalid_num_args(&args[0]),
[INFO] [stderr] 443 | |                 })
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 423 |                 match args.len() {
[INFO] [stderr] 424 |                     1 => {
[INFO] [stderr] 425 |                         if let Err(e) = event_handler.on_cmd_backupdb(&[]) {
[INFO] [stderr] 426 |                             format!("-ERR Backup DB Failed '{}'\r\n", e.to_string())
[INFO] [stderr] 427 |                                 .into_bytes()
[INFO] [stderr] 428 |                                 .to_vec()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/rato.rs:446:17
[INFO] [stderr]     |
[INFO] [stderr] 446 | /                 (match args.len() {
[INFO] [stderr] 447 | |                     1 => {
[INFO] [stderr] 448 | |                         if let Err(e) = event_handler.on_cmd_backup_lru_keys(&[]) {
[INFO] [stderr] 449 | |                             format!(
[INFO] [stderr] ...   |
[INFO] [stderr] 471 | |                     _ => RedisUtil::invalid_num_args(&args[0]),
[INFO] [stderr] 472 | |                 })
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 match args.len() {
[INFO] [stderr] 447 |                     1 => {
[INFO] [stderr] 448 |                         if let Err(e) = event_handler.on_cmd_backup_lru_keys(&[]) {
[INFO] [stderr] 449 |                             format!(
[INFO] [stderr] 450 |                                 "-ERR BACKUP_LRU_KEYS Lru Keys Failed '{}'\r\n",
[INFO] [stderr] 451 |                                 e.to_string()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `env_logger`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     extern crate env_logger;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `rato`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cfffab56c6f04873b0e9d4e973a6ede2958b4da9a65ee436918c518fdd1eb423"`
[INFO] running `"docker" "rm" "-f" "cfffab56c6f04873b0e9d4e973a6ede2958b4da9a65ee436918c518fdd1eb423"`
[INFO] [stdout] cfffab56c6f04873b0e9d4e973a6ede2958b4da9a65ee436918c518fdd1eb423