[INFO] cloning repository https://github.com/ede0m/nanors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ede0m/nanors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fede0m%2Fnanors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fede0m%2Fnanors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b11db085c5f10297adf5096f7745c6f7800c44d
[INFO] checking ede0m/nanors against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fede0m%2Fnanors" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ede0m/nanors 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 git repo https://github.com/ede0m/nanors
[INFO] finished tweaking git repo https://github.com/ede0m/nanors
[INFO] tweaked toml for git repo https://github.com/ede0m/nanors written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/ede0m/nanors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] [stdout] 79aff4ee1e589214b6b7fae3969b7da03f569dc58c8a1a48baa05f8ce46174f0
[INFO] running `Command { std: "docker" "start" "-a" "79aff4ee1e589214b6b7fae3969b7da03f569dc58c8a1a48baa05f8ce46174f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79aff4ee1e589214b6b7fae3969b7da03f569dc58c8a1a48baa05f8ce46174f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aff4ee1e589214b6b7fae3969b7da03f569dc58c8a1a48baa05f8ce46174f0", kill_on_drop: false }`
[INFO] [stdout] 79aff4ee1e589214b6b7fae3969b7da03f569dc58c8a1a48baa05f8ce46174f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 49c0ccc5a4f931fc7230b7b0ac5adc02fb65b51912496b17b3b11ca1afe26536
[INFO] running `Command { std: "docker" "start" "-a" "49c0ccc5a4f931fc7230b7b0ac5adc02fb65b51912496b17b3b11ca1afe26536", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking subtle-ng v2.4.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking aead v0.4.2
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking polyval v0.5.1
[INFO] [stderr]     Checking ctr v0.7.0
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking hkdf v0.11.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking ghash v0.4.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aes-gcm v0.9.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.0.1
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking ed25519-dalek-blake2b v1.0.2
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking nanors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/ws.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let out = tokio::select! {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/ws.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let out = tokio::select! {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_string_as_none`
[INFO] [stdout]   --> src/rpc.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn empty_string_as_none<'de, D, T>(de: D) -> Result<Option<T>, D::Error>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_string_as_none`
[INFO] [stdout]   --> src/rpc.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn empty_string_as_none<'de, D, T>(de: D) -> Result<Option<T>, D::Error>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 17s
[INFO] running `Command { std: "docker" "inspect" "49c0ccc5a4f931fc7230b7b0ac5adc02fb65b51912496b17b3b11ca1afe26536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c0ccc5a4f931fc7230b7b0ac5adc02fb65b51912496b17b3b11ca1afe26536", kill_on_drop: false }`
[INFO] [stdout] 49c0ccc5a4f931fc7230b7b0ac5adc02fb65b51912496b17b3b11ca1afe26536