[INFO] updating cached repository w-k-s/Rust-QuizzicalAPI
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/w-k-s/Rust-QuizzicalAPI
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/w-k-s/Rust-QuizzicalAPI" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/w-k-s/Rust-QuizzicalAPI"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/w-k-s/Rust-QuizzicalAPI'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/w-k-s/Rust-QuizzicalAPI" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/w-k-s/Rust-QuizzicalAPI"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/w-k-s/Rust-QuizzicalAPI'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26c4a0bfdc2c0648e375a6a10502a6386bd6af78
[INFO] sha for GitHub repo w-k-s/Rust-QuizzicalAPI: 26c4a0bfdc2c0648e375a6a10502a6386bd6af78
[INFO] validating manifest of w-k-s/Rust-QuizzicalAPI on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of w-k-s/Rust-QuizzicalAPI on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing w-k-s/Rust-QuizzicalAPI
[INFO] finished frobbing w-k-s/Rust-QuizzicalAPI
[INFO] frobbed toml for w-k-s/Rust-QuizzicalAPI written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/w-k-s/Rust-QuizzicalAPI/Cargo.toml
[INFO] started frobbing w-k-s/Rust-QuizzicalAPI
[INFO] finished frobbing w-k-s/Rust-QuizzicalAPI
[INFO] frobbed toml for w-k-s/Rust-QuizzicalAPI written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/w-k-s/Rust-QuizzicalAPI/Cargo.toml
[INFO] crate w-k-s/Rust-QuizzicalAPI has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking w-k-s/Rust-QuizzicalAPI against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/w-k-s/Rust-QuizzicalAPI:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c3ae21c6a6f5e70998ec17a3b324c07331eeebfb0672b9d7acf3966e51c7e6a8
[INFO] running `"docker" "start" "-a" "c3ae21c6a6f5e70998ec17a3b324c07331eeebfb0672b9d7acf3966e51c7e6a8"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.7
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking http v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking tokio-io-pool v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking hyper v0.12.9
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking bson v0.12.3
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking mongodb v0.3.10
[INFO] [stderr]     Checking quizzical v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/main.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 | use log::{error, info};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/main.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 | use log::{error, info};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "c3ae21c6a6f5e70998ec17a3b324c07331eeebfb0672b9d7acf3966e51c7e6a8"`
[INFO] running `"docker" "rm" "-f" "c3ae21c6a6f5e70998ec17a3b324c07331eeebfb0672b9d7acf3966e51c7e6a8"`
[INFO] [stdout] c3ae21c6a6f5e70998ec17a3b324c07331eeebfb0672b9d7acf3966e51c7e6a8