[INFO] updating cached repository https://github.com/flutter-rs/cargo-flutter
[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] [stderr] From https://github.com/flutter-rs/cargo-flutter
[INFO] [stderr]    eb6a065..017b71f  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 017b71f70339da5c227464c1c2cb944f61376052
[INFO] checking flutter-rs/cargo-flutter against master#eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc for pr-69560
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflutter-rs%2Fcargo-flutter" "/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/flutter-rs/cargo-flutter on toolchain eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/flutter-rs/cargo-flutter
[INFO] finished tweaking git repo https://github.com/flutter-rs/cargo-flutter
[INFO] tweaked toml for git repo https://github.com/flutter-rs/cargo-flutter written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/flutter-rs/cargo-flutter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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-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=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" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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] c9adb559c73e2240e89513df764110efcda3f8a1987767fcafa842fc5ff60557
[INFO] running `"docker" "start" "-a" "c9adb559c73e2240e89513df764110efcda3f8a1987767fcafa842fc5ff60557"`
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking copy_dir v0.1.2
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking git2 v0.10.2
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking git2-curl v0.11.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo-platform v0.1.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_ignored v0.1.1
[INFO] [stderr]     Checking multimap v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking crates-io v0.29.0
[INFO] [stderr]     Checking ureq v0.11.3
[INFO] [stderr]    Compiling im-rc v13.0.0
[INFO] [stderr]     Checking cargo v0.41.0
[INFO] [stderr]     Checking lib-cargo-apk v0.5.1
[INFO] [stderr]     Checking cargo-flutter v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `"docker" "inspect" "c9adb559c73e2240e89513df764110efcda3f8a1987767fcafa842fc5ff60557"`
[INFO] running `"docker" "rm" "-f" "c9adb559c73e2240e89513df764110efcda3f8a1987767fcafa842fc5ff60557"`
[INFO] [stdout] c9adb559c73e2240e89513df764110efcda3f8a1987767fcafa842fc5ff60557