[INFO] crate arangors 0.2.0 is already in cache
[INFO] testing arangors-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate arangors 0.2.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate arangors 0.2.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arangors 0.2.0
[INFO] finished tweaking crates.io crate arangors 0.2.0
[INFO] tweaked toml for crates.io crate arangors 0.2.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] d5d83db4f6caaa39d952a0f0fc9c3fd87c8f4539cda0d09a035e5f5ddc404218
[INFO] running `"docker" "start" "-a" "d5d83db4f6caaa39d952a0f0fc9c3fd87c8f4539cda0d09a035e5f5ddc404218"`
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.22
[INFO] [stderr]    Compiling arangors v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/connection/mod.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let mut user: String;
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `"docker" "inspect" "d5d83db4f6caaa39d952a0f0fc9c3fd87c8f4539cda0d09a035e5f5ddc404218"`
[INFO] running `"docker" "rm" "-f" "d5d83db4f6caaa39d952a0f0fc9c3fd87c8f4539cda0d09a035e5f5ddc404218"`
[INFO] [stdout] d5d83db4f6caaa39d952a0f0fc9c3fd87c8f4539cda0d09a035e5f5ddc404218
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d0e382c07d6b3eeb3bfd3e305da3337580beda191f6ac1ee29c8be2b9fd9f3c5
[INFO] running `"docker" "start" "-a" "d0e382c07d6b3eeb3bfd3e305da3337580beda191f6ac1ee29c8be2b9fd9f3c5"`
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling arangors v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/connection/mod.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let mut user: String;
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `arangors`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name arangors src/lib.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="rocksdb"' -C metadata=ca445effdb1162c1 -C extra-filename=-ca445effdb1162c1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-1185b35e17751827.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-f0905fc9965e8807.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-8b5c930eea7e6a6f.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-d9e772260329c00d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-5513cb556299afcf.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-b141189c4fc644c6.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-cc58e35007e12ba4.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f921afe2765ea169.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5af14b486bf70a4e.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-89c40e1e07224b4c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-a72a174ec3a5c69b.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arangors`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name aql tests/aql.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="rocksdb"' -C metadata=da4fd311edd401bd -C extra-filename=-da4fd311edd401bd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-fc24d6bdfdb759a9.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-1185b35e17751827.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-f0905fc9965e8807.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-8b5c930eea7e6a6f.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-d9e772260329c00d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-5513cb556299afcf.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-b141189c4fc644c6.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-cc58e35007e12ba4.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f921afe2765ea169.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5af14b486bf70a4e.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-89c40e1e07224b4c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-a72a174ec3a5c69b.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arangors`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name aql examples/aql.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="rocksdb"' -C metadata=f606758486b93db4 -C extra-filename=-f606758486b93db4 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-fc24d6bdfdb759a9.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-1185b35e17751827.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-f0905fc9965e8807.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-8b5c930eea7e6a6f.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-d9e772260329c00d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-5513cb556299afcf.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-b141189c4fc644c6.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-cc58e35007e12ba4.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f921afe2765ea169.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5af14b486bf70a4e.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-89c40e1e07224b4c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-a72a174ec3a5c69b.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arangors`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name connection tests/connection.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="rocksdb"' -C metadata=e0bcf16b9275bcf3 -C extra-filename=-e0bcf16b9275bcf3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-fc24d6bdfdb759a9.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-1185b35e17751827.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-f0905fc9965e8807.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-8b5c930eea7e6a6f.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-d9e772260329c00d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-5513cb556299afcf.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-b141189c4fc644c6.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-cc58e35007e12ba4.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f921afe2765ea169.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5af14b486bf70a4e.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-89c40e1e07224b4c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-a72a174ec3a5c69b.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arangors`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name database tests/database.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="rocksdb"' -C metadata=b358dc4ac17a7f27 -C extra-filename=-b358dc4ac17a7f27 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-fc24d6bdfdb759a9.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-1185b35e17751827.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-f0905fc9965e8807.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-8b5c930eea7e6a6f.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-d9e772260329c00d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-5513cb556299afcf.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-b141189c4fc644c6.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-cc58e35007e12ba4.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f921afe2765ea169.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5af14b486bf70a4e.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-89c40e1e07224b4c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-a72a174ec3a5c69b.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d0e382c07d6b3eeb3bfd3e305da3337580beda191f6ac1ee29c8be2b9fd9f3c5"`
[INFO] running `"docker" "rm" "-f" "d0e382c07d6b3eeb3bfd3e305da3337580beda191f6ac1ee29c8be2b9fd9f3c5"`
[INFO] [stdout] d0e382c07d6b3eeb3bfd3e305da3337580beda191f6ac1ee29c8be2b9fd9f3c5