[INFO] cloning repository https://github.com/unterflow/unterflow-dump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unterflow/unterflow-dump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funterflow%2Funterflow-dump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funterflow%2Funterflow-dump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 026f6d74cfd88809a6af4d6c312a90c7d28d24e4
[INFO] checking unterflow/unterflow-dump against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funterflow%2Funterflow-dump" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unterflow/unterflow-dump on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unterflow/unterflow-dump
[INFO] finished tweaking git repo https://github.com/unterflow/unterflow-dump
[INFO] tweaked toml for git repo https://github.com/unterflow/unterflow-dump written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/unterflow/unterflow-dump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 811c50d040fd03f8fdca4d3c25ddbb16e998e5432093fe1b7084c7153d6a2d17
[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" "811c50d040fd03f8fdca4d3c25ddbb16e998e5432093fe1b7084c7153d6a2d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "811c50d040fd03f8fdca4d3c25ddbb16e998e5432093fe1b7084c7153d6a2d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811c50d040fd03f8fdca4d3c25ddbb16e998e5432093fe1b7084c7153d6a2d17", kill_on_drop: false }`
[INFO] [stdout] 811c50d040fd03f8fdca4d3c25ddbb16e998e5432093fe1b7084c7153d6a2d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14bdd3d53fd72a9647073dee18fcc7f8b4be043c930a38d48dd8373af7d49faa
[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" "14bdd3d53fd72a9647073dee18fcc7f8b4be043c930a38d48dd8373af7d49faa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking ipnetwork v0.12.6
[INFO] [stderr]     Checking pnet_macros_support v0.2.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking loggerv v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling unterflow-protocol-derive v0.1.0 (https://github.com/unterflow/unterflow-protocol#f3d5e813)
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]     Checking rmp v0.8.6
[INFO] [stderr]     Checking rmpv v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking syntex_pos v0.42.0
[INFO] [stderr]     Checking syntex_errors v0.42.0
[INFO] [stderr]     Checking syntex_syntax v0.42.0
[INFO] [stderr]     Checking serde_bytes v0.10.1
[INFO] [stderr]     Checking rmp-serde v0.13.6
[INFO] [stderr]     Checking unterflow-protocol v0.1.0 (https://github.com/unterflow/unterflow-protocol#f3d5e813)
[INFO] [stderr]     Checking syntex v0.42.2
[INFO] [stderr]     Checking pnet_macros v0.15.0
[INFO] [stderr]    Compiling pnet v0.19.0
[INFO] [stderr]     Checking unterflow-dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 | ) -> Result<(Box<EthernetDataLinkSender>, Box<EthernetDataLinkReceiver>), String> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn EthernetDataLinkSender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 | ) -> Result<(Box<EthernetDataLinkSender>, Box<EthernetDataLinkReceiver>), String> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn EthernetDataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 | ) -> Result<(Box<EthernetDataLinkSender>, Box<EthernetDataLinkReceiver>), String> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn EthernetDataLinkSender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/network.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 | ) -> Result<(Box<EthernetDataLinkSender>, Box<EthernetDataLinkReceiver>), String> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn EthernetDataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "14bdd3d53fd72a9647073dee18fcc7f8b4be043c930a38d48dd8373af7d49faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bdd3d53fd72a9647073dee18fcc7f8b4be043c930a38d48dd8373af7d49faa", kill_on_drop: false }`
[INFO] [stdout] 14bdd3d53fd72a9647073dee18fcc7f8b4be043c930a38d48dd8373af7d49faa