[INFO] fetching crate libflow 0.1.0...
[INFO] checking libflow-0.1.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate libflow 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libflow 0.1.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libflow 0.1.0
[INFO] finished tweaking crates.io crate libflow 0.1.0
[INFO] tweaked toml for crates.io crate libflow 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusticata-macros v2.1.0
[INFO] [stderr]   Downloaded ordered-float v2.0.1
[INFO] [stderr]   Downloaded pcap-parser v0.9.3
[INFO] [stderr]   Downloaded statrs v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] 08013471a97741f377f6fd55ea4656704b6a88231b7d2a495de674ee87ed2d57
[INFO] running `Command { std: "docker" "start" "-a" "08013471a97741f377f6fd55ea4656704b6a88231b7d2a495de674ee87ed2d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08013471a97741f377f6fd55ea4656704b6a88231b7d2a495de674ee87ed2d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08013471a97741f377f6fd55ea4656704b6a88231b7d2a495de674ee87ed2d57", kill_on_drop: false }`
[INFO] [stdout] 08013471a97741f377f6fd55ea4656704b6a88231b7d2a495de674ee87ed2d57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dee59029689a5c3dd462c518eed121f30db1a890914194f33e3dbf41e87b3e5
[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" "5dee59029689a5c3dd462c518eed121f30db1a890914194f33e3dbf41e87b3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking circular v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking getrandom v0.1.15
[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 approx v0.3.2
[INFO] [stderr]     Checking ordered-float v2.0.1
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking rusticata-macros v2.1.0
[INFO] [stderr]     Checking pcap-parser v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking statrs v0.13.0
[INFO] [stderr]     Checking libflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `FIN`
[INFO] [stdout]  --> src/flow/flag.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     FIN,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PSH`
[INFO] [stdout]  --> src/flow/flag.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     PSH,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `URG`
[INFO] [stdout]  --> src/flow/flag.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     URG,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ECE`
[INFO] [stdout]  --> src/flow/flag.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ECE,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SYN`
[INFO] [stdout]  --> src/flow/flag.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     SYN,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACK`
[INFO] [stdout]  --> src/flow/flag.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ACK,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CWR`
[INFO] [stdout]  --> src/flow/flag.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CWR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RST`
[INFO] [stdout]   --> src/flow/flag.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     RST,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/flow/statistic.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(data: &Vec<f64>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FIN`
[INFO] [stdout]  --> src/flow/flag.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     FIN,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PSH`
[INFO] [stdout]  --> src/flow/flag.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     PSH,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `URG`
[INFO] [stdout]  --> src/flow/flag.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     URG,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ECE`
[INFO] [stdout]  --> src/flow/flag.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ECE,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SYN`
[INFO] [stdout]  --> src/flow/flag.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     SYN,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACK`
[INFO] [stdout]  --> src/flow/flag.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ACK,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CWR`
[INFO] [stdout]  --> src/flow/flag.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CWR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RST`
[INFO] [stdout]   --> src/flow/flag.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     RST,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "5dee59029689a5c3dd462c518eed121f30db1a890914194f33e3dbf41e87b3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dee59029689a5c3dd462c518eed121f30db1a890914194f33e3dbf41e87b3e5", kill_on_drop: false }`
[INFO] [stdout] 5dee59029689a5c3dd462c518eed121f30db1a890914194f33e3dbf41e87b3e5