[INFO] updating cached repository marianopw/WebAPI-call-and-JSON-parsing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marianopw/WebAPI-call-and-JSON-parsing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marianopw/WebAPI-call-and-JSON-parsing" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/marianopw/WebAPI-call-and-JSON-parsing"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/marianopw/WebAPI-call-and-JSON-parsing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marianopw/WebAPI-call-and-JSON-parsing" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/marianopw/WebAPI-call-and-JSON-parsing"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/marianopw/WebAPI-call-and-JSON-parsing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] efb8c0103f6f7e757fd5de4af93243b6b7efa37a
[INFO] sha for GitHub repo marianopw/WebAPI-call-and-JSON-parsing: efb8c0103f6f7e757fd5de4af93243b6b7efa37a
[INFO] validating manifest of marianopw/WebAPI-call-and-JSON-parsing on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marianopw/WebAPI-call-and-JSON-parsing on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marianopw/WebAPI-call-and-JSON-parsing
[INFO] finished frobbing marianopw/WebAPI-call-and-JSON-parsing
[INFO] frobbed toml for marianopw/WebAPI-call-and-JSON-parsing written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/marianopw/WebAPI-call-and-JSON-parsing/Cargo.toml
[INFO] started frobbing marianopw/WebAPI-call-and-JSON-parsing
[INFO] finished frobbing marianopw/WebAPI-call-and-JSON-parsing
[INFO] frobbed toml for marianopw/WebAPI-call-and-JSON-parsing written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/marianopw/WebAPI-call-and-JSON-parsing/Cargo.toml
[INFO] crate marianopw/WebAPI-call-and-JSON-parsing already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking marianopw/WebAPI-call-and-JSON-parsing against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/marianopw/WebAPI-call-and-JSON-parsing:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d4d339ee59761b36b1f7769b2f334c9c6c352be3b5c9befc93254a38ae7fe6f4
[INFO] running `"docker" "start" "-a" "d4d339ee59761b36b1f7769b2f334c9c6c352be3b5c9befc93254a38ae7fe6f4"`
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking api-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/main.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use serde_json::{Value, Error};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/main.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use serde_json::{Value, Error};
[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 12s
[INFO] running `"docker" "inspect" "d4d339ee59761b36b1f7769b2f334c9c6c352be3b5c9befc93254a38ae7fe6f4"`
[INFO] running `"docker" "rm" "-f" "d4d339ee59761b36b1f7769b2f334c9c6c352be3b5c9befc93254a38ae7fe6f4"`
[INFO] [stdout] d4d339ee59761b36b1f7769b2f334c9c6c352be3b5c9befc93254a38ae7fe6f4