[INFO] cloning repository https://github.com/hicqu/fuse-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hicqu/fuse-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ffuse-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ffuse-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eda4eb8db5e5c73adcb6b29d66cb1d95cbf787b
[INFO] checking hicqu/fuse-learn against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ffuse-learn" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hicqu/fuse-learn on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hicqu/fuse-learn
[INFO] finished tweaking git repo https://github.com/hicqu/fuse-learn
[INFO] tweaked toml for git repo https://github.com/hicqu/fuse-learn written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hicqu/fuse-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.5.11
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d55a62e9c6581891d8c6c105cf77f909e575df8ea1a0a55ab3a0a62c1a6c940
[INFO] running `Command { std: "docker" "start" "-a" "5d55a62e9c6581891d8c6c105cf77f909e575df8ea1a0a55ab3a0a62c1a6c940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d55a62e9c6581891d8c6c105cf77f909e575df8ea1a0a55ab3a0a62c1a6c940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d55a62e9c6581891d8c6c105cf77f909e575df8ea1a0a55ab3a0a62c1a6c940", kill_on_drop: false }`
[INFO] [stdout] 5d55a62e9c6581891d8c6c105cf77f909e575df8ea1a0a55ab3a0a62c1a6c940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4cad649524d5ad4c9732ef9d144e684d54a583b29b1919cf4a2c64b6b53800a
[INFO] running `Command { std: "docker" "start" "-a" "b4cad649524d5ad4c9732ef9d144e684d54a583b29b1919cf4a2c64b6b53800a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]     Checking fuse-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "b4cad649524d5ad4c9732ef9d144e684d54a583b29b1919cf4a2c64b6b53800a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cad649524d5ad4c9732ef9d144e684d54a583b29b1919cf4a2c64b6b53800a", kill_on_drop: false }`
[INFO] [stdout] b4cad649524d5ad4c9732ef9d144e684d54a583b29b1919cf4a2c64b6b53800a