[INFO] crate warpgrapher 0.1.0 is already in cache
[INFO] checking warpgrapher-0.1.0 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate warpgrapher 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate warpgrapher 0.1.0 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate warpgrapher 0.1.0
[INFO] finished tweaking crates.io crate warpgrapher 0.1.0
[INFO] tweaked toml for crates.io crate warpgrapher 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate warpgrapher 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] 28a892c19d2dea02fb76cf8e313494c5509c1cd1918e8f98e484fbc751f9d86b
[INFO] running `"docker" "start" "-a" "28a892c19d2dea02fb76cf8e313494c5509c1cd1918e8f98e484fbc751f9d86b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
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[INFO] [stderr]     Checking warpgrapher v0.1.0 (/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 4m 49s
[INFO] running `"docker" "inspect" "28a892c19d2dea02fb76cf8e313494c5509c1cd1918e8f98e484fbc751f9d86b"`
[INFO] running `"docker" "rm" "-f" "28a892c19d2dea02fb76cf8e313494c5509c1cd1918e8f98e484fbc751f9d86b"`
[INFO] [stdout] 28a892c19d2dea02fb76cf8e313494c5509c1cd1918e8f98e484fbc751f9d86b