[INFO] cloning repository https://github.com/QingGo/tcp_handshake_lantency_cli [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QingGo/tcp_handshake_lantency_cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQingGo%2Ftcp_handshake_lantency_cli", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQingGo%2Ftcp_handshake_lantency_cli'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 794c46593838fc59d020f710a8f3b7ed4eacc29c [INFO] checking QingGo/tcp_handshake_lantency_cli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQingGo%2Ftcp_handshake_lantency_cli" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/QingGo/tcp_handshake_lantency_cli [INFO] finished tweaking git repo https://github.com/QingGo/tcp_handshake_lantency_cli [INFO] tweaked toml for git repo https://github.com/QingGo/tcp_handshake_lantency_cli written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/QingGo/tcp_handshake_lantency_cli on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/QingGo/tcp_handshake_lantency_cli 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f98a8894f5aadb9c607cf809d8b333105411b23f4598230946accc9bfbc283ef [INFO] running `Command { std: "docker" "start" "-a" "f98a8894f5aadb9c607cf809d8b333105411b23f4598230946accc9bfbc283ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f98a8894f5aadb9c607cf809d8b333105411b23f4598230946accc9bfbc283ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f98a8894f5aadb9c607cf809d8b333105411b23f4598230946accc9bfbc283ef", kill_on_drop: false }` [INFO] [stdout] f98a8894f5aadb9c607cf809d8b333105411b23f4598230946accc9bfbc283ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54518cde57984a60d44f20a3462ce4ddc1465185d8406371ae59a6c61e71160e [INFO] running `Command { std: "docker" "start" "-a" "54518cde57984a60d44f20a3462ce4ddc1465185d8406371ae59a6c61e71160e", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling anyhow v1.0.45 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling tokio v1.13.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling tokio-macros v1.5.1 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking test_tcp_lantency v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | file: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | file: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `test_tcp_lantency` (bin "test_tcp_lantency") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `test_tcp_lantency` (bin "test_tcp_lantency" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "54518cde57984a60d44f20a3462ce4ddc1465185d8406371ae59a6c61e71160e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54518cde57984a60d44f20a3462ce4ddc1465185d8406371ae59a6c61e71160e", kill_on_drop: false }` [INFO] [stdout] 54518cde57984a60d44f20a3462ce4ddc1465185d8406371ae59a6c61e71160e