[INFO] cloning repository https://github.com/faheemuzzaman/mysql_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faheemuzzaman/mysql_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaheemuzzaman%2Fmysql_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaheemuzzaman%2Fmysql_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e831f5cc1df400c663c379a811419fdc36d800eb
[INFO] checking faheemuzzaman/mysql_rust against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaheemuzzaman%2Fmysql_rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faheemuzzaman/mysql_rust on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/faheemuzzaman/mysql_rust
[INFO] finished tweaking git repo https://github.com/faheemuzzaman/mysql_rust
[INFO] tweaked toml for git repo https://github.com/faheemuzzaman/mysql_rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/faheemuzzaman/mysql_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 915d5589cf7408abb674e60cba48b4286ed52b5f9fd56df3aca8255e600215e8
[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" "915d5589cf7408abb674e60cba48b4286ed52b5f9fd56df3aca8255e600215e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915d5589cf7408abb674e60cba48b4286ed52b5f9fd56df3aca8255e600215e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915d5589cf7408abb674e60cba48b4286ed52b5f9fd56df3aca8255e600215e8", kill_on_drop: false }`
[INFO] [stdout] 915d5589cf7408abb674e60cba48b4286ed52b5f9fd56df3aca8255e600215e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de0eec3a177993fc334e02dd516fbd715711dcbe638b6cb536fe2b428cf148ac
[INFO] running `Command { std: "docker" "start" "-a" "de0eec3a177993fc334e02dd516fbd715711dcbe638b6cb536fe2b428cf148ac", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling mysql v16.0.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking stackvector v1.0.2
[INFO] [stderr]     Checking twox-hash v1.3.0
[INFO] [stderr]     Checking lexical-core v0.4.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking lexical v2.1.0
[INFO] [stderr]     Checking mysql_common v0.17.1
[INFO] [stderr]     Checking mysql_simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fetch`
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn fetch()
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert`
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn insert(){
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fetch`
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn fetch()
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert`
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn insert(){
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.20s
[INFO] running `Command { std: "docker" "inspect" "de0eec3a177993fc334e02dd516fbd715711dcbe638b6cb536fe2b428cf148ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0eec3a177993fc334e02dd516fbd715711dcbe638b6cb536fe2b428cf148ac", kill_on_drop: false }`
[INFO] [stdout] de0eec3a177993fc334e02dd516fbd715711dcbe638b6cb536fe2b428cf148ac