[INFO] fetching crate hana-client 0.1.3...
[INFO] checking hana-client-0.1.3 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate hana-client 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hana-client 0.1.3 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hana-client 0.1.3
[INFO] finished tweaking crates.io crate hana-client 0.1.3
[INFO] tweaked toml for crates.io crate hana-client 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 0f488aec42d909669c593544255e92427ad5fbf812ab897dfd94e8fd085d26d3
[INFO] running `Command { std: "docker" "start" "-a" "0f488aec42d909669c593544255e92427ad5fbf812ab897dfd94e8fd085d26d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f488aec42d909669c593544255e92427ad5fbf812ab897dfd94e8fd085d26d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f488aec42d909669c593544255e92427ad5fbf812ab897dfd94e8fd085d26d3", kill_on_drop: false }`
[INFO] [stdout] 0f488aec42d909669c593544255e92427ad5fbf812ab897dfd94e8fd085d26d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c374e3cbb0076e44da14757851a2de9fc89f5926b6adf7006b53bbff336b8d4
[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" "1c374e3cbb0076e44da14757851a2de9fc89f5926b6adf7006b53bbff336b8d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking pnet_base v0.27.2
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking dns-message-parser v0.4.6
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking hana-types v0.1.0
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]     Checking pnet_transport v0.27.2
[INFO] [stderr]     Checking hana-client v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tcp_client.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         &self.send_files(&requested_files);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = &self.send_files(&requested_files);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tcp_client.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         &self.send_files(&requested_files);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = &self.send_files(&requested_files);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.56s
[INFO] running `Command { std: "docker" "inspect" "1c374e3cbb0076e44da14757851a2de9fc89f5926b6adf7006b53bbff336b8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c374e3cbb0076e44da14757851a2de9fc89f5926b6adf7006b53bbff336b8d4", kill_on_drop: false }`
[INFO] [stdout] 1c374e3cbb0076e44da14757851a2de9fc89f5926b6adf7006b53bbff336b8d4