[INFO] cloning repository https://github.com/aoikonomopoulos/wping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aoikonomopoulos/wping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoikonomopoulos%2Fwping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoikonomopoulos%2Fwping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d5155803811b50761baa309249aad35a9748aff
[INFO] checking aoikonomopoulos/wping against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoikonomopoulos%2Fwping" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aoikonomopoulos/wping on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aoikonomopoulos/wping
[INFO] finished tweaking git repo https://github.com/aoikonomopoulos/wping
[INFO] tweaked toml for git repo https://github.com/aoikonomopoulos/wping written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/aoikonomopoulos/wping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded pnet_macros_support v0.27.2
[INFO] [stderr] Downloaded pnet_macros v0.15.0
[INFO] [stderr] Downloaded resolve v0.1.2
[INFO] [stderr] Downloaded pnet v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3e989b3538505ee907c3f9b6122639152f8f4f182c07879d242c4368e261289
[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" "a3e989b3538505ee907c3f9b6122639152f8f4f182c07879d242c4368e261289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3e989b3538505ee907c3f9b6122639152f8f4f182c07879d242c4368e261289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e989b3538505ee907c3f9b6122639152f8f4f182c07879d242c4368e261289", kill_on_drop: false }`
[INFO] [stdout] a3e989b3538505ee907c3f9b6122639152f8f4f182c07879d242c4368e261289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccbc1372272a5ded253001a72f694c9c0593b6b67fc593272adefadcc9fab1f8
[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" "ccbc1372272a5ded253001a72f694c9c0593b6b67fc593272adefadcc9fab1f8", kill_on_drop: false }`
[INFO] [stderr] Compiling libc v0.2.86
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling memchr v2.3.4
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling regex v0.2.11
[INFO] [stderr] Compiling term v0.4.6
[INFO] [stderr] Compiling unicode-xid v0.0.3
[INFO] [stderr] Compiling bitflags v0.5.0
[INFO] [stderr] Compiling ucd-util v0.1.8
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling utf8-ranges v1.0.4
[INFO] [stderr] Checking tinyvec_macros v0.1.0
[INFO] [stderr] Checking pnet_base v0.27.2
[INFO] [stderr] Checking byteorder v1.4.2
[INFO] [stderr] Checking pnet_macros_support v0.1.1
[INFO] [stderr] Compiling syntex_pos v0.42.0
[INFO] [stderr] Checking thread_local v0.3.6
[INFO] [stderr] Compiling ws2_32-sys v0.2.1
[INFO] [stderr] Checking tinyvec v1.1.1
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Compiling regex-syntax v0.5.6
[INFO] [stderr] Checking pnet_macros_support v0.27.2
[INFO] [stderr] Compiling log v0.3.9
[INFO] [stderr] Compiling num-traits v0.2.14
[INFO] [stderr] Compiling num-integer v0.1.44
[INFO] [stderr] Compiling num-iter v0.1.42
[INFO] [stderr] Checking aho-corasick v0.6.10
[INFO] [stderr] Checking rand v0.4.6
[INFO] [stderr] Checking syntex_errors v0.42.0
[INFO] [stderr] Checking time v0.1.44
[INFO] [stderr] Checking unicode-normalization v0.1.17
[INFO] [stderr] Checking syntex_syntax v0.42.0
[INFO] [stderr] Checking rand v0.3.23
[INFO] [stderr] Checking num-complex v0.1.43
[INFO] [stderr] Checking idna v0.1.5
[INFO] [stderr] Checking num-bigint v0.1.44
[INFO] [stderr] Checking resolve v0.1.2
[INFO] [stderr] Checking num-rational v0.1.42
[INFO] [stderr] Checking num v0.1.42
[INFO] [stderr] Checking chrono v0.3.0
[INFO] [stderr] Checking syntex v0.42.2
[INFO] [stderr] Checking pnet_macros v0.15.0
[INFO] [stderr] Compiling pnet v0.16.0
[INFO] [stderr] Checking wping v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] --> src/columnar.rs:67:50
[INFO] [stdout] |
[INFO] [stdout] 67 | pub fn format(&'a self, values : Vec