[INFO] cloning repository https://github.com/zacbrown/rusty-netconn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacbrown/rusty-netconn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f0b0c5ea4312002fc4eb75d71b67fd8104f51dd5 [INFO] checking zacbrown/rusty-netconn against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacbrown%2Frusty-netconn" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zacbrown/rusty-netconn on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zacbrown/rusty-netconn [INFO] finished tweaking git repo https://github.com/zacbrown/rusty-netconn [INFO] tweaked toml for git repo https://github.com/zacbrown/rusty-netconn written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/zacbrown/rusty-netconn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pcap v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 930fbdfd61b02e38bb5c10c2ac6ecc5f1615228bd3488254e102311dee5edc99 [INFO] running `Command { std: "docker" "start" "-a" "930fbdfd61b02e38bb5c10c2ac6ecc5f1615228bd3488254e102311dee5edc99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "930fbdfd61b02e38bb5c10c2ac6ecc5f1615228bd3488254e102311dee5edc99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "930fbdfd61b02e38bb5c10c2ac6ecc5f1615228bd3488254e102311dee5edc99", kill_on_drop: false }` [INFO] [stdout] 930fbdfd61b02e38bb5c10c2ac6ecc5f1615228bd3488254e102311dee5edc99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c1e0ff3f7640bb5cbdf7de61ef41076a0ef7600c3a4053db2357e0b464b10a3 [INFO] running `Command { std: "docker" "start" "-a" "3c1e0ff3f7640bb5cbdf7de61ef41076a0ef7600c3a4053db2357e0b464b10a3", 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] Checking cfg-if v0.1.2 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Checking pnet_base v0.21.0 [INFO] [stderr] Compiling pcap v0.7.0 [INFO] [stderr] Checking ipnetwork v0.12.8 [INFO] [stderr] Compiling pnet v0.21.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking encode_unicode v0.3.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking pnet_sys v0.21.0 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Compiling regex-syntax v0.5.5 [INFO] [stderr] Checking pnet_macros_support v0.21.0 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking pnet_datalink v0.21.0 [INFO] [stderr] Checking prettytable-rs v0.6.7 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.1 [INFO] [stderr] Checking tokio-threadpool v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Checking tokio v0.1.5 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.21.0 [INFO] [stderr] Compiling pnet_packet v0.21.0 [INFO] [stderr] Checking pnet_transport v0.21.0 [INFO] [stderr] Checking rusty-netconns v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut stats = { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut stats = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | let mut stats = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:251:13 [INFO] [stdout] | [INFO] [stdout] 251 | let mut stats = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut stats = { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut stats = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | let mut stats = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:251:13 [INFO] [stdout] | [INFO] [stdout] 251 | let mut stats = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.61s [INFO] running `Command { std: "docker" "inspect" "3c1e0ff3f7640bb5cbdf7de61ef41076a0ef7600c3a4053db2357e0b464b10a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c1e0ff3f7640bb5cbdf7de61ef41076a0ef7600c3a4053db2357e0b464b10a3", kill_on_drop: false }` [INFO] [stdout] 3c1e0ff3f7640bb5cbdf7de61ef41076a0ef7600c3a4053db2357e0b464b10a3