[INFO] crate xtsn 0.1.1 is already in cache
[INFO] checking xtsn-0.1.1 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate xtsn 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xtsn 0.1.1 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xtsn 0.1.1
[INFO] finished tweaking crates.io crate xtsn 0.1.1
[INFO] tweaked toml for crates.io crate xtsn 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 8ff744f6dc3f30f0a238c33c7e089296141a8b137a30c0d43afd62c717f5de71
[INFO] running `"docker" "start" "-a" "8ff744f6dc3f30f0a238c33c7e089296141a8b137a30c0d43afd62c717f5de71"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling xtsn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr] warning: associated function is never used: `pack`
[INFO] [stderr]    --> src/lib.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn pack(data: u128) -> Result<Vec<u8>, String> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unpack`
[INFO] [stderr]    --> src/lib.rs:202:8
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn unpack(data: Vec<u8>) -> Result<u128, String> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `xor`
[INFO] [stderr]    --> src/lib.rs:211:8
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn xor(s1: &Vec<u8>, s2: &Vec<u8>) -> Vec<u8> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pack`
[INFO] [stderr]    --> src/lib.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn pack(data: u128) -> Result<Vec<u8>, String> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unpack`
[INFO] [stderr]    --> src/lib.rs:202:8
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn unpack(data: Vec<u8>) -> Result<u128, String> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `xor`
[INFO] [stderr]    --> src/lib.rs:211:8
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn xor(s1: &Vec<u8>, s2: &Vec<u8>) -> Vec<u8> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.11s
[INFO] running `"docker" "inspect" "8ff744f6dc3f30f0a238c33c7e089296141a8b137a30c0d43afd62c717f5de71"`
[INFO] running `"docker" "rm" "-f" "8ff744f6dc3f30f0a238c33c7e089296141a8b137a30c0d43afd62c717f5de71"`
[INFO] [stdout] 8ff744f6dc3f30f0a238c33c7e089296141a8b137a30c0d43afd62c717f5de71