[INFO] crate arangors 0.2.0 is already in cache
[INFO] testing arangors-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate arangors 0.2.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate arangors 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a8441eacbeea0b8fed60a5f1ae400779420686d3b4c09950af5e609d469c8d5e
[INFO] running `"docker" "start" "-a" "a8441eacbeea0b8fed60a5f1ae400779420686d3b4c09950af5e609d469c8d5e"`
[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 17.08s
[INFO] running `"docker" "inspect" "a8441eacbeea0b8fed60a5f1ae400779420686d3b4c09950af5e609d469c8d5e"`
[INFO] running `"docker" "rm" "-f" "a8441eacbeea0b8fed60a5f1ae400779420686d3b4c09950af5e609d469c8d5e"`
[INFO] [stdout] a8441eacbeea0b8fed60a5f1ae400779420686d3b4c09950af5e609d469c8d5e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 81b1630163d163f8a2fd5f4a25449c469a17bb72be5264be5aeef31be0f90b86
[INFO] running `"docker" "start" "-a" "81b1630163d163f8a2fd5f4a25449c469a17bb72be5264be5aeef31be0f90b86"`
[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=3045de8bf6b205ad -C extra-filename=-3045de8bf6b205ad --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-e3c6bc05ecb4dd6b.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-03e71dea0da44b90.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d758af00e6c3001a.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-97877ddda30608c8.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e50aa4e61ffd3b64.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-bdd3edd470e9f0df.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1ab277b50a1acea0.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-cbe31ae9849cd3fc.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8c523c6acfa3f728.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-40e6188c9c094ecb.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-1b0b9479fbeae824.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-805e59335206c413/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=d0b632e0818cc873 -C extra-filename=-d0b632e0818cc873 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-93e37d1c0be32b2f.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-e3c6bc05ecb4dd6b.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-03e71dea0da44b90.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d758af00e6c3001a.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-97877ddda30608c8.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e50aa4e61ffd3b64.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-bdd3edd470e9f0df.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1ab277b50a1acea0.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-cbe31ae9849cd3fc.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8c523c6acfa3f728.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-40e6188c9c094ecb.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-1b0b9479fbeae824.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-805e59335206c413/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=212ba80db04a46bc -C extra-filename=-212ba80db04a46bc --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-93e37d1c0be32b2f.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-e3c6bc05ecb4dd6b.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-03e71dea0da44b90.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d758af00e6c3001a.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-97877ddda30608c8.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e50aa4e61ffd3b64.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-bdd3edd470e9f0df.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1ab277b50a1acea0.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-cbe31ae9849cd3fc.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8c523c6acfa3f728.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-40e6188c9c094ecb.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-1b0b9479fbeae824.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-805e59335206c413/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=77822b9a70d5a21b -C extra-filename=-77822b9a70d5a21b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-93e37d1c0be32b2f.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-e3c6bc05ecb4dd6b.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-03e71dea0da44b90.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d758af00e6c3001a.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-97877ddda30608c8.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e50aa4e61ffd3b64.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-bdd3edd470e9f0df.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1ab277b50a1acea0.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-cbe31ae9849cd3fc.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8c523c6acfa3f728.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-40e6188c9c094ecb.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-1b0b9479fbeae824.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-805e59335206c413/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 collection tests/collection.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="rocksdb"' -C metadata=949cae7a381d06ea -C extra-filename=-949cae7a381d06ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-93e37d1c0be32b2f.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-e3c6bc05ecb4dd6b.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-03e71dea0da44b90.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d758af00e6c3001a.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-97877ddda30608c8.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e50aa4e61ffd3b64.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-bdd3edd470e9f0df.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1ab277b50a1acea0.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-cbe31ae9849cd3fc.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8c523c6acfa3f728.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-40e6188c9c094ecb.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-1b0b9479fbeae824.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-805e59335206c413/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=56c4292959b36e47 -C extra-filename=-56c4292959b36e47 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arangors=/opt/rustwide/target/debug/deps/libarangors-93e37d1c0be32b2f.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-e3c6bc05ecb4dd6b.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-03e71dea0da44b90.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d758af00e6c3001a.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-97877ddda30608c8.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e50aa4e61ffd3b64.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-bdd3edd470e9f0df.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1ab277b50a1acea0.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-cbe31ae9849cd3fc.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8c523c6acfa3f728.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-40e6188c9c094ecb.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-1b0b9479fbeae824.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-805e59335206c413/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "81b1630163d163f8a2fd5f4a25449c469a17bb72be5264be5aeef31be0f90b86"`
[INFO] running `"docker" "rm" "-f" "81b1630163d163f8a2fd5f4a25449c469a17bb72be5264be5aeef31be0f90b86"`
[INFO] [stdout] 81b1630163d163f8a2fd5f4a25449c469a17bb72be5264be5aeef31be0f90b86