[INFO] updating cached repository https://github.com/devguardio/artanis-simulator
[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] 65a91a43aa583c89a2dac12b2cdbfff61e31cbda
[INFO] checking devguardio/artanis-simulator against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevguardio%2Fartanis-simulator" "/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/devguardio/artanis-simulator 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/devguardio/artanis-simulator
[INFO] finished tweaking git repo https://github.com/devguardio/artanis-simulator
[INFO] tweaked toml for git repo https://github.com/devguardio/artanis-simulator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/devguardio/artanis-simulator 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]     Blocking waiting for file lock on package cache
[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=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] [stdout] dd866c0b34467e09d69faa3f25575c04ce8ae3e8204b01a6c5be2e060359c4eb
[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" "dd866c0b34467e09d69faa3f25575c04ce8ae3e8204b01a6c5be2e060359c4eb"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking gcmap v0.1.4
[INFO] [stderr]     Checking mtdparts v0.2.0
[INFO] [stderr]     Checking crc8 v0.1.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hacl-star-sys v0.0.7
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tinylogger v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling osaka-macros v0.2.10
[INFO] [stderr]     Checking hpack v0.3.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking hacl-star v0.0.14
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking ws v0.9.0
[INFO] [stderr]     Checking osaka v0.2.10
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/osaka-0.2.10/src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(custom_attribute)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `osaka`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "dd866c0b34467e09d69faa3f25575c04ce8ae3e8204b01a6c5be2e060359c4eb"`
[INFO] running `"docker" "rm" "-f" "dd866c0b34467e09d69faa3f25575c04ce8ae3e8204b01a6c5be2e060359c4eb"`
[INFO] [stdout] dd866c0b34467e09d69faa3f25575c04ce8ae3e8204b01a6c5be2e060359c4eb