[INFO] updating cached repository https://github.com/erikjohnston/synstatehash
[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] 0942f94a3be0e7d84fd6a84b71bd7714b74597ba
[INFO] testing erikjohnston/synstatehash against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fsynstatehash" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erikjohnston/synstatehash on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/erikjohnston/synstatehash
[INFO] finished tweaking git repo https://github.com/erikjohnston/synstatehash
[INFO] tweaked toml for git repo https://github.com/erikjohnston/synstatehash written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/erikjohnston/synstatehash already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 1f6dc4c5cd537b4fec5a7eefda3078e793c0dd1a0779f9cc241f94aba265962d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1f6dc4c5cd537b4fec5a7eefda3078e793c0dd1a0779f9cc241f94aba265962d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling phf_shared v0.7.15
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling phf v0.7.15
[INFO] [stderr]    Compiling postgres v0.11.12
[INFO] [stderr]    Compiling postgres_array v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling synstatehash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `decode` found for struct `docopt::Docopt` in the current scope
[INFO] [stderr]   --> src/main.rs:46:45
[INFO] [stderr]    |
[INFO] [stderr] 46 | ...                   .and_then(|d| d.decode())
[INFO] [stderr]    |                                       ^^^^^^ method not found in `docopt::Docopt`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `synstatehash`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1f6dc4c5cd537b4fec5a7eefda3078e793c0dd1a0779f9cc241f94aba265962d"`
[INFO] running `"docker" "rm" "-f" "1f6dc4c5cd537b4fec5a7eefda3078e793c0dd1a0779f9cc241f94aba265962d"`
[INFO] [stdout] 1f6dc4c5cd537b4fec5a7eefda3078e793c0dd1a0779f9cc241f94aba265962d