[INFO] cloning repository https://github.com/tcsc/asyncho [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcsc/asyncho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcsc%2Fasyncho", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcsc%2Fasyncho'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ea65583019f2c1aa8de01878435db2f59ae84a5f [INFO] checking tcsc/asyncho against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcsc%2Fasyncho" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tcsc/asyncho on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tcsc/asyncho [INFO] finished tweaking git repo https://github.com/tcsc/asyncho [INFO] tweaked toml for git repo https://github.com/tcsc/asyncho written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tcsc/asyncho 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bytes v0.4.2 [INFO] [stderr] Downloaded env_logger v0.4.2 [INFO] [stderr] Downloaded futures v0.1.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4de3b2aa3b4a84a473de4866e0a0ba928b8e2b5f00a77f926607c0cc78eb2d5 [INFO] running `Command { std: "docker" "start" "-a" "a4de3b2aa3b4a84a473de4866e0a0ba928b8e2b5f00a77f926607c0cc78eb2d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4de3b2aa3b4a84a473de4866e0a0ba928b8e2b5f00a77f926607c0cc78eb2d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4de3b2aa3b4a84a473de4866e0a0ba928b8e2b5f00a77f926607c0cc78eb2d5", kill_on_drop: false }` [INFO] [stdout] a4de3b2aa3b4a84a473de4866e0a0ba928b8e2b5f00a77f926607c0cc78eb2d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a02f8a60fa2fd077b2b402420b77698a1560ef70d9b4b8ef4836d7345158a19 [INFO] running `Command { std: "docker" "start" "-a" "9a02f8a60fa2fd077b2b402420b77698a1560ef70d9b4b8ef4836d7345158a19", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking futures v0.1.13 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking net2 v0.2.27 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Checking bytes v0.4.2 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking mio v0.6.6 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking tokio-io v0.1.1 [INFO] [stderr] Checking tokio-core v0.1.6 [INFO] [stderr] Checking env_logger v0.4.2 [INFO] [stderr] Checking asyncho v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/service.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | self.spawn_connection(conn).map_err(erase); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = self.spawn_connection(conn).map_err(erase); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/service.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | self.spawn_connection(conn).map_err(erase); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = self.spawn_connection(conn).map_err(erase); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "9a02f8a60fa2fd077b2b402420b77698a1560ef70d9b4b8ef4836d7345158a19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a02f8a60fa2fd077b2b402420b77698a1560ef70d9b4b8ef4836d7345158a19", kill_on_drop: false }` [INFO] [stdout] 9a02f8a60fa2fd077b2b402420b77698a1560ef70d9b4b8ef4836d7345158a19