[INFO] cloning repository https://github.com/russmack/voices
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/russmack/voices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frussmack%2Fvoices"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frussmack%2Fvoices'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68ee0ce9d1d41b189b68524ec968e2415c78d39a
[INFO] checking russmack/voices against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frussmack%2Fvoices" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/russmack/voices on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/russmack/voices
[INFO] finished tweaking git repo https://github.com/russmack/voices
[INFO] tweaked toml for git repo https://github.com/russmack/voices written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/russmack/voices already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc2138186567e89db8f8c5fb36700333c094014bf3383f908713d973b849e28e
[INFO] running `"docker" "start" "-a" "fc2138186567e89db8f8c5fb36700333c094014bf3383f908713d973b849e28e"`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking pnet_base v0.21.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]     Checking ipnetwork v0.12.8
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking ticker v0.1.1
[INFO] [stderr]     Checking ransidsole v0.1.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking pnet_sys v0.21.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking pnet_datalink v0.21.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking ipnetwork v0.13.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]     Checking pnet_transport v0.21.0
[INFO] [stderr]     Checking voices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/announcer.rs:76:24
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let local_socket = try!(UdpSocket::bind(local_sock_addr));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/announcer.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     try!(local_socket.send_to(msg.as_bytes(), remote_conn));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/announcer.rs:76:24
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let local_socket = try!(UdpSocket::bind(local_sock_addr));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/announcer.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     try!(local_socket.send_to(msg.as_bytes(), remote_conn));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log_node_str`
[INFO] [stderr]    --> src/manifest.rs:263:1
[INFO] [stderr]     |
[INFO] [stderr] 263 | fn log_node_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_slice`
[INFO] [stderr]    --> src/main.rs:467:1
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn from_slice(bytes: &[u8]) -> [u8; 32] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log_writes_str`
[INFO] [stderr]    --> src/main.rs:517:1
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn log_writes_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log_node_str`
[INFO] [stderr]    --> src/manifest.rs:263:1
[INFO] [stderr]     |
[INFO] [stderr] 263 | fn log_node_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_slice`
[INFO] [stderr]    --> src/main.rs:467:1
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn from_slice(bytes: &[u8]) -> [u8; 32] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log_writes_str`
[INFO] [stderr]    --> src/main.rs:517:1
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn log_writes_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `"docker" "inspect" "fc2138186567e89db8f8c5fb36700333c094014bf3383f908713d973b849e28e"`
[INFO] running `"docker" "rm" "-f" "fc2138186567e89db8f8c5fb36700333c094014bf3383f908713d973b849e28e"`
[INFO] [stdout] fc2138186567e89db8f8c5fb36700333c094014bf3383f908713d973b849e28e