[INFO] cloning repository https://github.com/yorodm/copierd
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yorodm/copierd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyorodm%2Fcopierd"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyorodm%2Fcopierd'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59075caec619555ed523eedd285bec88e690041a
[INFO] checking yorodm/copierd against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyorodm%2Fcopierd" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yorodm/copierd on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yorodm/copierd
[INFO] finished tweaking git repo https://github.com/yorodm/copierd
[INFO] tweaked toml for git repo https://github.com/yorodm/copierd written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yorodm/copierd already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5b9fe9d448039d58abc55ce7710794be18a8f271af40353b1f6842a8183276ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5b9fe9d448039d58abc55ce7710794be18a8f271af40353b1f6842a8183276ab"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking copierd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/protocol/resp.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Result<T> = result::Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/protocol/resp.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     String(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/protocol/resp.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Number(u64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]   --> src/protocol/resp.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Array(Vec<Value>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeat`
[INFO] [stderr]   --> src/protocol/resp.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn repeat<T, P>(n: u16, mut input: &str, mut f: P) -> Result<(Vec<T>, &str)>
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_char`
[INFO] [stderr]   --> src/protocol/resp.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn parse_char(ch: char, input: &str) -> Result<&str> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_number`
[INFO] [stderr]   --> src/protocol/resp.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn make_number<T>(input: &str) -> Result<(T, &str)>
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_length`
[INFO] [stderr]   --> src/protocol/resp.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn parse_length(s: usize, input: &str) -> Result<(String, &str)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_exact`
[INFO] [stderr]   --> src/protocol/resp.rs:77:4
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn match_exact<'a, T>(s: &str, input: (T, &'a str)) -> Result<(T, &'a str)> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `has_a`
[INFO] [stderr]   --> src/protocol/resp.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn has_a<'a, T>(s: &str, input: (T, &'a str)) -> Result<(T, &'a str)> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_int`
[INFO] [stderr]    --> src/protocol/resp.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn parse_int(input: &str) -> Result<(Value, &str)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_bulk`
[INFO] [stderr]    --> src/protocol/resp.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn parse_bulk(input: &str) -> Result<(Value, &str)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_array`
[INFO] [stderr]    --> src/protocol/resp.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn parse_array(input: &str) -> Result<(Value, &str)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse`
[INFO] [stderr]    --> src/protocol/resp.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn parse(input: &str) -> Result<(Value, &str)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.00s
[INFO] running `"docker" "inspect" "5b9fe9d448039d58abc55ce7710794be18a8f271af40353b1f6842a8183276ab"`
[INFO] running `"docker" "rm" "-f" "5b9fe9d448039d58abc55ce7710794be18a8f271af40353b1f6842a8183276ab"`
[INFO] [stdout] 5b9fe9d448039d58abc55ce7710794be18a8f271af40353b1f6842a8183276ab