[INFO] updating cached repository https://github.com/Reisen/keygen
[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] 730a14e0c990bb39a28e2f29318166c91e22fd4b
[INFO] checking Reisen/keygen against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReisen%2Fkeygen" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Reisen/keygen on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Reisen/keygen
[INFO] finished tweaking git repo https://github.com/Reisen/keygen
[INFO] tweaked toml for git repo https://github.com/Reisen/keygen written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Reisen/keygen already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] 73a5f19dd9745b7a8b2f107b50db60bf2c7f05d000db97505de2af2628da639d
[INFO] running `"docker" "start" "-a" "73a5f19dd9745b7a8b2f107b50db60bf2c7f05d000db97505de2af2628da639d"`
[INFO] [stderr]    Compiling syn v1.0.12
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling memsec v0.5.6
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking blake2b_simd v0.5.9
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]     Checking rust-argon2 v0.6.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking buffered-reader v0.14.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling nettle-sys v2.0.4
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]     Checking nettle v5.0.3
[INFO] [stderr]    Compiling sequoia-openpgp v0.14.0
[INFO] [stderr]     Checking wrench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `KeygenError`
[INFO] [stderr]  --> src/error.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum KeygenError {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `KeygenError`
[INFO] [stderr]  --> src/error.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum KeygenError {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 57s
[INFO] running `"docker" "inspect" "73a5f19dd9745b7a8b2f107b50db60bf2c7f05d000db97505de2af2628da639d"`
[INFO] running `"docker" "rm" "-f" "73a5f19dd9745b7a8b2f107b50db60bf2c7f05d000db97505de2af2628da639d"`
[INFO] [stdout] 73a5f19dd9745b7a8b2f107b50db60bf2c7f05d000db97505de2af2628da639d