[INFO] updating cached repository https://github.com/RafaelBM91/rust-crud
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 373716fc3fcd5c5e206099aa46bd3f0f1f2ca69b
[INFO] testing RafaelBM91/rust-crud against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelBM91%2Frust-crud" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RafaelBM91/rust-crud on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RafaelBM91/rust-crud
[INFO] finished tweaking git repo https://github.com/RafaelBM91/rust-crud
[INFO] tweaked toml for git repo https://github.com/RafaelBM91/rust-crud written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/RafaelBM91/rust-crud already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca6df46bb349a7fecf7891c1296a5c21ce8c903e593fd980499303d97374dbc6
[INFO] running `"docker" "start" "-a" "ca6df46bb349a7fecf7891c1296a5c21ce8c903e593fd980499303d97374dbc6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling hmac v0.6.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling logger v0.4.0
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling urlencoded v0.6.0
[INFO] [stderr]    Compiling juniper_codegen v0.11.1
[INFO] [stderr]    Compiling textnonce v0.6.5
[INFO] [stderr]    Compiling mongodb v0.3.12
[INFO] [stderr]    Compiling juniper v0.11.1
[INFO] [stderr]    Compiling juniper_iron v0.3.0
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/mongo.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             (value.as_null() == None)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/server.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn context_factory(req: &mut Request) -> IronResult<()> {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_doc_operation`
[INFO] [stderr]   --> src/mongo.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn insert_doc_operation (mut document: OrderedDocument) -> Option<Bson> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `"docker" "inspect" "ca6df46bb349a7fecf7891c1296a5c21ce8c903e593fd980499303d97374dbc6"`
[INFO] running `"docker" "rm" "-f" "ca6df46bb349a7fecf7891c1296a5c21ce8c903e593fd980499303d97374dbc6"`
[INFO] [stdout] ca6df46bb349a7fecf7891c1296a5c21ce8c903e593fd980499303d97374dbc6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35b2bc6e14663f7f60ae241f28d97f2db87f32f5c71cf69783794d945da4ca1b
[INFO] running `"docker" "start" "-a" "35b2bc6e14663f7f60ae241f28d97f2db87f32f5c71cf69783794d945da4ca1b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/mongo.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             (value.as_null() == None)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/server.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn context_factory(req: &mut Request) -> IronResult<()> {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_doc_operation`
[INFO] [stderr]   --> src/mongo.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn insert_doc_operation (mut document: OrderedDocument) -> Option<Bson> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `"docker" "inspect" "35b2bc6e14663f7f60ae241f28d97f2db87f32f5c71cf69783794d945da4ca1b"`
[INFO] running `"docker" "rm" "-f" "35b2bc6e14663f7f60ae241f28d97f2db87f32f5c71cf69783794d945da4ca1b"`
[INFO] [stdout] 35b2bc6e14663f7f60ae241f28d97f2db87f32f5c71cf69783794d945da4ca1b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc3f1c6427eaab0236826a6e5cc5c6906f6b42c64ddf1aa35cd1de79bce33ff4
[INFO] running `"docker" "start" "-a" "cc3f1c6427eaab0236826a6e5cc5c6906f6b42c64ddf1aa35cd1de79bce33ff4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/mongo.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             (value.as_null() == None)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/server.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn context_factory(req: &mut Request) -> IronResult<()> {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_doc_operation`
[INFO] [stderr]   --> src/mongo.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn insert_doc_operation (mut document: OrderedDocument) -> Option<Bson> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_test-8c03c60601d51aed
[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" "cc3f1c6427eaab0236826a6e5cc5c6906f6b42c64ddf1aa35cd1de79bce33ff4"`
[INFO] running `"docker" "rm" "-f" "cc3f1c6427eaab0236826a6e5cc5c6906f6b42c64ddf1aa35cd1de79bce33ff4"`
[INFO] [stdout] cc3f1c6427eaab0236826a6e5cc5c6906f6b42c64ddf1aa35cd1de79bce33ff4