[INFO] crate iron-json-response 0.6.0 is already in cache
[INFO] extracting crate iron-json-response 0.6.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/iron-json-response/0.6.0
[INFO] extracting crate iron-json-response 0.6.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron-json-response/0.6.0
[INFO] validating manifest of iron-json-response-0.6.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iron-json-response-0.6.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iron-json-response-0.6.0
[INFO] finished frobbing iron-json-response-0.6.0
[INFO] frobbed toml for iron-json-response-0.6.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/iron-json-response/0.6.0/Cargo.toml
[INFO] started frobbing iron-json-response-0.6.0
[INFO] finished frobbing iron-json-response-0.6.0
[INFO] frobbed toml for iron-json-response-0.6.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron-json-response/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing iron-json-response-0.6.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron-json-response/0.6.0:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8a1bf61a3000d758627dacf2088aca10ce0a55fa1aa005ae447d09166728a088
[INFO] running `"docker" "start" "-a" "8a1bf61a3000d758627dacf2088aca10ce0a55fa1aa005ae447d09166728a088"`
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling iron-json-response v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "8a1bf61a3000d758627dacf2088aca10ce0a55fa1aa005ae447d09166728a088"`
[INFO] running `"docker" "rm" "-f" "8a1bf61a3000d758627dacf2088aca10ce0a55fa1aa005ae447d09166728a088"`
[INFO] [stdout] 8a1bf61a3000d758627dacf2088aca10ce0a55fa1aa005ae447d09166728a088
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron-json-response/0.6.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6d40aaf7178c97b973a6d3294e5a66e219a5e44fc8724350b14e32a0cf87a328
[INFO] running `"docker" "start" "-a" "6d40aaf7178c97b973a6d3294e5a66e219a5e44fc8724350b14e32a0cf87a328"`
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling urlencoded v0.6.0
[INFO] [stderr]    Compiling params v0.8.0
[INFO] [stderr]    Compiling iron-json-response v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `"docker" "inspect" "6d40aaf7178c97b973a6d3294e5a66e219a5e44fc8724350b14e32a0cf87a328"`
[INFO] running `"docker" "rm" "-f" "6d40aaf7178c97b973a6d3294e5a66e219a5e44fc8724350b14e32a0cf87a328"`
[INFO] [stdout] 6d40aaf7178c97b973a6d3294e5a66e219a5e44fc8724350b14e32a0cf87a328
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron-json-response/0.6.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1eb5ea7196895bea1d7482a3e44a94d56ed75463a1201719b8de5f6d01ea1d0a
[INFO] running `"docker" "start" "-a" "1eb5ea7196895bea1d7482a3e44a94d56ed75463a1201719b8de5f6d01ea1d0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_json_response-b5b5cd3d61a579d3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iron-json-response
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1eb5ea7196895bea1d7482a3e44a94d56ed75463a1201719b8de5f6d01ea1d0a"`
[INFO] running `"docker" "rm" "-f" "1eb5ea7196895bea1d7482a3e44a94d56ed75463a1201719b8de5f6d01ea1d0a"`
[INFO] [stdout] 1eb5ea7196895bea1d7482a3e44a94d56ed75463a1201719b8de5f6d01ea1d0a