[INFO] updating cached repository https://github.com/wadadli/webapp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb78c7f18926e8734621c38863e80b7d52d8660d
[INFO] checking wadadli/webapp against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwadadli%2Fwebapp" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wadadli/webapp on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wadadli/webapp
[INFO] finished tweaking git repo https://github.com/wadadli/webapp
[INFO] tweaked toml for git repo https://github.com/wadadli/webapp written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/wadadli/webapp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e42dc2320d6555707d0c37bb25cbefcf6cf986a57fd52c5483934bb9e12381a4
[INFO] running `"docker" "start" "-a" "e42dc2320d6555707d0c37bb25cbefcf6cf986a57fd52c5483934bb9e12381a4"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking mysql_common v0.8.0
[INFO] [stderr]     Checking mysql v14.0.0
[INFO] [stderr]     Checking webapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rust_2018_preview)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rust_2018_preview)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Config`
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Config {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rust_2018_preview)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rust_2018_preview)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Config`
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Config {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.87s
[INFO] running `"docker" "inspect" "e42dc2320d6555707d0c37bb25cbefcf6cf986a57fd52c5483934bb9e12381a4"`
[INFO] running `"docker" "rm" "-f" "e42dc2320d6555707d0c37bb25cbefcf6cf986a57fd52c5483934bb9e12381a4"`
[INFO] [stdout] e42dc2320d6555707d0c37bb25cbefcf6cf986a57fd52c5483934bb9e12381a4