[INFO] updating cached repository https://github.com/getsentry/piinguin
[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] 91736fbba5ef9592909f84e1f62dcc88916e5c24
[INFO] checking getsentry/piinguin against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetsentry%2Fpiinguin" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/getsentry/piinguin on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/getsentry/piinguin
[INFO] finished tweaking git repo https://github.com/getsentry/piinguin
[INFO] tweaked toml for git repo https://github.com/getsentry/piinguin written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/getsentry/piinguin already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/getsentry/semaphore`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 7754048cb1bed32af5a74f0e09a9ca865e2ee3ddf08659f6bdea0323cdcf8e43
[INFO] running `"docker" "start" "-a" "7754048cb1bed32af5a74f0e09a9ca865e2ee3ddf08659f6bdea0323cdcf8e43"`
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling yew v0.9.2
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]    Compiling yew-macro v0.9.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling synstructure v0.11.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]    Compiling semaphore-general-derive v0.4.65 (https://github.com/getsentry/semaphore#93441ed3)
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking maxminddb v0.13.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]     Checking debugid v0.7.0
[INFO] [stderr]     Checking dynfmt v0.1.2
[INFO] [stderr]     Checking semaphore-general v0.4.65 (https://github.com/getsentry/semaphore#93441ed3)
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking piinguin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/types.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         process_value(&mut event, &mut processor, &Default::default());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/types.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         process_value(&mut event, &mut processor, &Default::default());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `"docker" "inspect" "7754048cb1bed32af5a74f0e09a9ca865e2ee3ddf08659f6bdea0323cdcf8e43"`
[INFO] running `"docker" "rm" "-f" "7754048cb1bed32af5a74f0e09a9ca865e2ee3ddf08659f6bdea0323cdcf8e43"`
[INFO] [stdout] 7754048cb1bed32af5a74f0e09a9ca865e2ee3ddf08659f6bdea0323cdcf8e43