[INFO] cloning repository https://github.com/arshiamufti/httpdump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arshiamufti/httpdump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farshiamufti%2Fhttpdump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farshiamufti%2Fhttpdump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51ce59772cf04785abe450d8525d0b520e91be97
[INFO] checking arshiamufti/httpdump against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farshiamufti%2Fhttpdump" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arshiamufti/httpdump on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arshiamufti/httpdump
[INFO] finished tweaking git repo https://github.com/arshiamufti/httpdump
[INFO] tweaked toml for git repo https://github.com/arshiamufti/httpdump written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/arshiamufti/httpdump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pcap v0.7.0
[INFO] [stderr]   Downloaded mowl v1.1.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.12
[INFO] [stderr]   Downloaded peel-ip v0.2.0
[INFO] [stderr]   Downloaded gcc v0.3.53
[INFO] [stderr]   Downloaded peel v0.8.0
[INFO] [stderr]   Downloaded ordermap v0.2.11
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded path v0.8.2
[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" "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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e31ebf584fae9e6f002d704a988e14f876556ee4e0334b1d20aadbd54f489fa
[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" "9e31ebf584fae9e6f002d704a988e14f876556ee4e0334b1d20aadbd54f489fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e31ebf584fae9e6f002d704a988e14f876556ee4e0334b1d20aadbd54f489fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e31ebf584fae9e6f002d704a988e14f876556ee4e0334b1d20aadbd54f489fa", kill_on_drop: false }`
[INFO] [stdout] 9e31ebf584fae9e6f002d704a988e14f876556ee4e0334b1d20aadbd54f489fa
[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" "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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 5d10793ee361d5222357b53162e64a8e178179fd27fa763b5b4bfb7227fd7647
[INFO] running `Command { std: "docker" "start" "-a" "5d10793ee361d5222357b53162e64a8e178179fd27fa763b5b4bfb7227fd7647", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking ordermap v0.2.11
[INFO] [stderr]     Checking fixedbitset v0.1.7
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking petgraph v0.4.5
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking mowl v1.1.0
[INFO] [stderr]     Checking peel v0.8.0
[INFO] [stderr]     Checking path v0.8.2
[INFO] [stderr]     Checking peel-ip v0.2.0
[INFO] [stderr]     Checking httpdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut count = 0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut count = 0;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut count = 0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut count = 0;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.50s
[INFO] running `Command { std: "docker" "inspect" "5d10793ee361d5222357b53162e64a8e178179fd27fa763b5b4bfb7227fd7647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d10793ee361d5222357b53162e64a8e178179fd27fa763b5b4bfb7227fd7647", kill_on_drop: false }`
[INFO] [stdout] 5d10793ee361d5222357b53162e64a8e178179fd27fa763b5b4bfb7227fd7647