[INFO] cloning repository https://github.com/warpforge/warpgrapher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/warpforge/warpgrapher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarpforge%2Fwarpgrapher"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarpforge%2Fwarpgrapher'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 364cff4a770963b747a659ee7481ca69b073b48d
[INFO] checking warpforge/warpgrapher against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarpforge%2Fwarpgrapher" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/warpforge/warpgrapher on toolchain e2223c94bf433fc38234d1303e88cbaf14755863
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/warpforge/warpgrapher
[INFO] finished tweaking git repo https://github.com/warpforge/warpgrapher
[INFO] tweaked toml for git repo https://github.com/warpforge/warpgrapher written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/warpforge/warpgrapher already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+e2223c94bf433fc38234d1303e88cbaf14755863" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7be444421c671427e12406e64754607aa52c566ef5dcb991e525eaf94917fbff
[INFO] running `"docker" "start" "-a" "7be444421c671427e12406e64754607aa52c566ef5dcb991e525eaf94917fbff"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.59
[INFO] [stderr]    Compiling wasm-bindgen v0.2.59
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling serial_test_derive v0.3.2
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling juniper_codegen v0.13.2
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking frank_jwt v3.1.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking semver-parser v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.59
[INFO] [stderr]     Checking semver v0.5.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking rusted_cypher v1.1.0
[INFO] [stderr]     Checking serial_test v0.3.2
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]     Checking r2d2_cypher v0.4.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-rt v1.0.0
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking juniper v0.13.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.59
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix-server v1.0.2
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix v0.9.0
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking actix-cors v0.2.0
[INFO] [stderr]     Checking warpgrapher v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/server/schema.rs:2121:9
[INFO] [stderr]      |
[INFO] [stderr] 2121 | /         (e.downcast::<Error>()
[INFO] [stderr] 2122 | |             .and_then(|e| Ok(*e))
[INFO] [stderr] 2123 | |             .unwrap_or_else(|e| {
[INFO] [stderr] 2124 | |                 Error::new(ErrorKind::MissingSchemaElement(format!("{:#?}", e)), None)
[INFO] [stderr] 2125 | |             }))
[INFO] [stderr]      | |_______________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2121 |         e.downcast::<Error>()
[INFO] [stderr] 2122 |             .and_then(|e| Ok(*e))
[INFO] [stderr] 2123 |             .unwrap_or_else(|e| {
[INFO] [stderr] 2124 |                 Error::new(ErrorKind::MissingSchemaElement(format!("{:#?}", e)), None)
[INFO] [stderr] 2125 |             })
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/server/schema.rs:2121:9
[INFO] [stderr]      |
[INFO] [stderr] 2121 | /         (e.downcast::<Error>()
[INFO] [stderr] 2122 | |             .and_then(|e| Ok(*e))
[INFO] [stderr] 2123 | |             .unwrap_or_else(|e| {
[INFO] [stderr] 2124 | |                 Error::new(ErrorKind::MissingSchemaElement(format!("{:#?}", e)), None)
[INFO] [stderr] 2125 | |             }))
[INFO] [stderr]      | |_______________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2121 |         e.downcast::<Error>()
[INFO] [stderr] 2122 |             .and_then(|e| Ok(*e))
[INFO] [stderr] 2123 |             .unwrap_or_else(|e| {
[INFO] [stderr] 2124 |                 Error::new(ErrorKind::MissingSchemaElement(format!("{:#?}", e)), None)
[INFO] [stderr] 2125 |             })
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 18s
[INFO] running `"docker" "inspect" "7be444421c671427e12406e64754607aa52c566ef5dcb991e525eaf94917fbff"`
[INFO] running `"docker" "rm" "-f" "7be444421c671427e12406e64754607aa52c566ef5dcb991e525eaf94917fbff"`
[INFO] [stdout] 7be444421c671427e12406e64754607aa52c566ef5dcb991e525eaf94917fbff