[INFO] updating cached repository https://github.com/asonix/kv-testing
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d3504523ec9b19e76b28dad67056eba5141e4db
[INFO] checking asonix/kv-testing against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasonix%2Fkv-testing" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asonix/kv-testing on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asonix/kv-testing
[INFO] finished tweaking git repo https://github.com/asonix/kv-testing
[INFO] tweaked toml for git repo https://github.com/asonix/kv-testing written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/asonix/kv-testing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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] 65a018c3101f4e648ec0ac7527c0075d6df9d8237fa5d71ddb2753beafdc9463
[INFO] running `Command { std: "docker" "start" "-a" "65a018c3101f4e648ec0ac7527c0075d6df9d8237fa5d71ddb2753beafdc9463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a018c3101f4e648ec0ac7527c0075d6df9d8237fa5d71ddb2753beafdc9463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a018c3101f4e648ec0ac7527c0075d6df9d8237fa5d71ddb2753beafdc9463", kill_on_drop: false }`
[INFO] [stdout] 65a018c3101f4e648ec0ac7527c0075d6df9d8237fa5d71ddb2753beafdc9463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ea77a5bbd25ebb09c693868af016d132374ebdd36d0c90035ae52ed78c430ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ea77a5bbd25ebb09c693868af016d132374ebdd36d0c90035ae52ed78c430ef", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking serde_cbor v0.8.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v1.0.14
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking lmdb v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.38
[INFO] [stderr]     Checking env_logger v0.5.7
[INFO] [stderr]     Checking kv v0.6.0
[INFO] [stderr]     Checking kv-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.66s
[INFO] running `Command { std: "docker" "inspect" "3ea77a5bbd25ebb09c693868af016d132374ebdd36d0c90035ae52ed78c430ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea77a5bbd25ebb09c693868af016d132374ebdd36d0c90035ae52ed78c430ef", kill_on_drop: false }`
[INFO] [stdout] 3ea77a5bbd25ebb09c693868af016d132374ebdd36d0c90035ae52ed78c430ef