[INFO] updating cached repository https://github.com/mzubair87/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f19d4c0cca14db473195f5bdcede57b5056f2e60
[INFO] checking mzubair87/Rust against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzubair87%2FRust" "/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/mzubair87/Rust on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mzubair87/Rust
[INFO] finished tweaking git repo https://github.com/mzubair87/Rust
[INFO] tweaked toml for git repo https://github.com/mzubair87/Rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mzubair87/Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 941acfee975f389a76108ecaa10c7e9798e2d5555b584a614c0dd6ffe6efab97
[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" "941acfee975f389a76108ecaa10c7e9798e2d5555b584a614c0dd6ffe6efab97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "941acfee975f389a76108ecaa10c7e9798e2d5555b584a614c0dd6ffe6efab97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941acfee975f389a76108ecaa10c7e9798e2d5555b584a614c0dd6ffe6efab97", kill_on_drop: false }`
[INFO] [stdout] 941acfee975f389a76108ecaa10c7e9798e2d5555b584a614c0dd6ffe6efab97
[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" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec7f1a1779a641d83596084582f471068b9a017a115043b263ee2b25fd8c2014
[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" "ec7f1a1779a641d83596084582f471068b9a017a115043b263ee2b25fd8c2014", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling mysql v16.1.0
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking rust_decimal v1.0.3
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking mysql_common v0.18.1
[INFO] [stderr]     Checking mysql_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.11s
[INFO] running `Command { std: "docker" "inspect" "ec7f1a1779a641d83596084582f471068b9a017a115043b263ee2b25fd8c2014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7f1a1779a641d83596084582f471068b9a017a115043b263ee2b25fd8c2014", kill_on_drop: false }`
[INFO] [stdout] ec7f1a1779a641d83596084582f471068b9a017a115043b263ee2b25fd8c2014