[INFO] fetching crate crdts 4.1.0...
[INFO] checking crdts-4.1.0 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate crdts 4.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate crdts 4.1.0 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crdts 4.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate crdts 4.1.0
[INFO] tweaked toml for crates.io crate crdts 4.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate crdts 4.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 551bc0b32765164aac8943159586a0b1899955add9a96a9649441abc94f016a0
[INFO] running `Command { std: "docker" "start" "-a" "551bc0b32765164aac8943159586a0b1899955add9a96a9649441abc94f016a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551bc0b32765164aac8943159586a0b1899955add9a96a9649441abc94f016a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551bc0b32765164aac8943159586a0b1899955add9a96a9649441abc94f016a0", kill_on_drop: false }`
[INFO] [stdout] 551bc0b32765164aac8943159586a0b1899955add9a96a9649441abc94f016a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5c8213f2914d3c36479b7e7eaef0655dd9707cae3a9d9750baf12bb3dd1a6d9
[INFO] running `Command { std: "docker" "start" "-a" "a5c8213f2914d3c36479b7e7eaef0655dd9707cae3a9d9750baf12bb3dd1a6d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]     Checking crdts v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.39s
[INFO] running `Command { std: "docker" "inspect" "a5c8213f2914d3c36479b7e7eaef0655dd9707cae3a9d9750baf12bb3dd1a6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c8213f2914d3c36479b7e7eaef0655dd9707cae3a9d9750baf12bb3dd1a6d9", kill_on_drop: false }`
[INFO] [stdout] a5c8213f2914d3c36479b7e7eaef0655dd9707cae3a9d9750baf12bb3dd1a6d9