[INFO] fetching crate kelvin-two3 0.8.0...
[INFO] checking kelvin-two3-0.8.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate kelvin-two3 0.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate kelvin-two3 0.8.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kelvin-two3 0.8.0
[INFO] finished tweaking crates.io crate kelvin-two3 0.8.0
[INFO] tweaked toml for crates.io crate kelvin-two3 0.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kelvin v0.12.0
[INFO] [stderr]   Downloaded bytehash v0.3.0
[INFO] [stderr]   Downloaded cache v0.2.0
[INFO] [stderr]   Downloaded derive_arbitrary v0.3.3
[INFO] [stderr]   Downloaded appendix v0.2.0
[INFO] [stderr]   Downloaded arbitrary v0.3.3
[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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f4f10be4c1d1722b2944d71b09ee476ea5e7f0e4356c1b88f90f2f0d3a7f7de
[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" "3f4f10be4c1d1722b2944d71b09ee476ea5e7f0e4356c1b88f90f2f0d3a7f7de"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking stable-heap v0.1.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking cache v0.2.0
[INFO] [stderr]     Checking bytehash v0.3.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking appendix v0.2.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling derive_arbitrary v0.3.3
[INFO] [stderr]     Checking arbitrary v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking kelvin v0.12.0
[INFO] [stderr]     Checking kelvin-two3 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "3f4f10be4c1d1722b2944d71b09ee476ea5e7f0e4356c1b88f90f2f0d3a7f7de"`
[INFO] running `"docker" "rm" "-f" "3f4f10be4c1d1722b2944d71b09ee476ea5e7f0e4356c1b88f90f2f0d3a7f7de"`
[INFO] [stdout] 3f4f10be4c1d1722b2944d71b09ee476ea5e7f0e4356c1b88f90f2f0d3a7f7de