[INFO] cloning repository https://github.com/Foltik/automaton
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Foltik/automaton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoltik%2Fautomaton"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoltik%2Fautomaton'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0459e54e4c0f0809466dec1ac22411a12be41bc8
[INFO] checking Foltik/automaton against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoltik%2Fautomaton" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Foltik/automaton on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Foltik/automaton
[INFO] finished tweaking git repo https://github.com/Foltik/automaton
[INFO] tweaked toml for git repo https://github.com/Foltik/automaton written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Foltik/automaton already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] ae9f4e12fe4eb2cbc6104fccac1c37fa1622e09178a172ca0d92888676aab2f9
[INFO] running `"docker" "start" "-a" "ae9f4e12fe4eb2cbc6104fccac1c37fa1622e09178a172ca0d92888676aab2f9"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking hashbrown v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking automaton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> benches/grid_bench.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(existential_type)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: removed in favor of `#![feature(type_alias_impl_trait)]`
[INFO] [stderr]  --> benches/grid_bench.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(existential_type)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> benches/grid_mem_bench.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(existential_type)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: removed in favor of `#![feature(type_alias_impl_trait)]`
[INFO] [stderr]  --> benches/grid_mem_bench.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(existential_type)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hashbrown::HashMap`
[INFO] [stderr]   --> benches/grid_mem_bench.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hashbrown::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> benches/grid_mem_bench.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[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 `automaton`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `automaton`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ae9f4e12fe4eb2cbc6104fccac1c37fa1622e09178a172ca0d92888676aab2f9"`
[INFO] running `"docker" "rm" "-f" "ae9f4e12fe4eb2cbc6104fccac1c37fa1622e09178a172ca0d92888676aab2f9"`
[INFO] [stdout] ae9f4e12fe4eb2cbc6104fccac1c37fa1622e09178a172ca0d92888676aab2f9