[INFO] cloning repository https://github.com/z-fujimori/study-websocket-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z-fujimori/study-websocket-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz-fujimori%2Fstudy-websocket-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz-fujimori%2Fstudy-websocket-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fb58629abfce1f23ab9aa5bbc67842af30975d81 [INFO] checking z-fujimori/study-websocket-test against try#173780a87744406b7489b28349c0176f14bb3881 for pr-135841 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz-fujimori%2Fstudy-websocket-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/z-fujimori/study-websocket-test on toolchain 173780a87744406b7489b28349c0176f14bb3881 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/z-fujimori/study-websocket-test [INFO] finished tweaking git repo https://github.com/z-fujimori/study-websocket-test [INFO] tweaked toml for git repo https://github.com/z-fujimori/study-websocket-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/z-fujimori/study-websocket-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking z-fujimori/study-websocket-test against try#173780a87744406b7489b28349c0176f14bb3881 for pr-135841 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz-fujimori%2Fstudy-websocket-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/z-fujimori/study-websocket-test on toolchain 173780a87744406b7489b28349c0176f14bb3881 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/z-fujimori/study-websocket-test [INFO] finished tweaking git repo https://github.com/z-fujimori/study-websocket-test [INFO] tweaked toml for git repo https://github.com/z-fujimori/study-websocket-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/z-fujimori/study-websocket-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56498f5f98ee8593b87796eb066596535dec7bae68c1ee3666bdb10590522ccd [INFO] running `Command { std: "docker" "start" "-a" "56498f5f98ee8593b87796eb066596535dec7bae68c1ee3666bdb10590522ccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56498f5f98ee8593b87796eb066596535dec7bae68c1ee3666bdb10590522ccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56498f5f98ee8593b87796eb066596535dec7bae68c1ee3666bdb10590522ccd", kill_on_drop: false }` [INFO] [stdout] 56498f5f98ee8593b87796eb066596535dec7bae68c1ee3666bdb10590522ccd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78fefaed2d576de7e59833580efaab514c7c9b75bfdae09f030b16b6df9233b2 [INFO] running `Command { std: "docker" "start" "-a" "78fefaed2d576de7e59833580efaab514c7c9b75bfdae09f030b16b6df9233b2", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cpufeatures v0.2.14 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking study-websocket-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `method` is assigned to, but never used [INFO] [stdout] --> src/main.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | let mut method = None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_method` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `method` is assigned to, but never used [INFO] [stdout] --> src/main.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | let mut method = None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_method` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `upgrade` is assigned to, but never used [INFO] [stdout] --> src/main.rs:51:25 [INFO] [stdout] | [INFO] [stdout] 51 | let mut upgrade = None; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_upgrade` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `upgrade` is assigned to, but never used [INFO] [stdout] --> src/main.rs:51:25 [INFO] [stdout] | [INFO] [stdout] 51 | let mut upgrade = None; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_upgrade` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `connection` is assigned to, but never used [INFO] [stdout] --> src/main.rs:52:25 [INFO] [stdout] | [INFO] [stdout] 52 | let mut connection = None; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_connection` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `connection` is assigned to, but never used [INFO] [stdout] --> src/main.rs:52:25 [INFO] [stdout] | [INFO] [stdout] 52 | let mut connection = None; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_connection` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sec_websocket_version` is assigned to, but never used [INFO] [stdout] --> src/main.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 53 | let mut sec_websocket_version = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_sec_websocket_version` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sec_websocket_version` is assigned to, but never used [INFO] [stdout] --> src/main.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 53 | let mut sec_websocket_version = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_sec_websocket_version` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `method` is never read [INFO] [stdout] --> src/main.rs:61:25 [INFO] [stdout] | [INFO] [stdout] 61 | method = Some(values[0]); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `method` is never read [INFO] [stdout] --> src/main.rs:61:25 [INFO] [stdout] | [INFO] [stdout] 61 | method = Some(values[0]); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `upgrade` is never read [INFO] [stdout] --> src/main.rs:74:25 [INFO] [stdout] | [INFO] [stdout] 74 | upgrade = Some(value); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `upgrade` is never read [INFO] [stdout] --> src/main.rs:74:25 [INFO] [stdout] | [INFO] [stdout] 74 | upgrade = Some(value); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `connection` is never read [INFO] [stdout] --> src/main.rs:77:25 [INFO] [stdout] | [INFO] [stdout] 77 | connection = Some(value); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `connection` is never read [INFO] [stdout] --> src/main.rs:77:25 [INFO] [stdout] | [INFO] [stdout] 77 | connection = Some(value); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sec_websocket_version` is never read [INFO] [stdout] --> src/main.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 80 | sec_websocket_version = Some(value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sec_websocket_version` is never read [INFO] [stdout] --> src/main.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 80 | sec_websocket_version = Some(value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut dumy = 65; [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:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut dumy = 65; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "78fefaed2d576de7e59833580efaab514c7c9b75bfdae09f030b16b6df9233b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78fefaed2d576de7e59833580efaab514c7c9b75bfdae09f030b16b6df9233b2", kill_on_drop: false }` [INFO] [stdout] 78fefaed2d576de7e59833580efaab514c7c9b75bfdae09f030b16b6df9233b2