[INFO] cloning repository https://github.com/prajithkb/rust-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajithkb/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Frust-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Frust-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cda0a7fffa7664240792a1b4adbd92d311e87191 [INFO] checking prajithkb/rust-chat against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Frust-chat" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/prajithkb/rust-chat on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/prajithkb/rust-chat [INFO] finished tweaking git repo https://github.com/prajithkb/rust-chat [INFO] tweaked toml for git repo https://github.com/prajithkb/rust-chat written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/prajithkb/rust-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fastrand v1.3.3 [INFO] [stderr] Downloaded async-task v3.0.0 [INFO] [stderr] Downloaded termion v1.5.5 [INFO] [stderr] Downloaded wepoll-sys-stjepang v1.0.6 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.17 [INFO] [stderr] Downloaded event-listener v2.3.0 [INFO] [stderr] Downloaded async-channel v1.4.0 [INFO] [stderr] Downloaded waker-fn v1.0.0 [INFO] [stderr] Downloaded futures-lite v0.1.10 [INFO] [stderr] Downloaded concurrent-queue v1.2.0 [INFO] [stderr] Downloaded cc v1.0.58 [INFO] [stderr] Downloaded pin-project v0.4.23 [INFO] [stderr] Downloaded parking v1.0.6 [INFO] [stderr] Downloaded pin-project-internal v0.4.23 [INFO] [stderr] Downloaded blocking v0.4.7 [INFO] [stderr] Downloaded smol v0.1.18 [INFO] [stderr] Downloaded async-std v1.6.2 [INFO] [stderr] Downloaded syn v1.0.36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d16d82d264b00bcc60be2b22313e404fc9b69c03476e25e63f777cbf126156d9 [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" "d16d82d264b00bcc60be2b22313e404fc9b69c03476e25e63f777cbf126156d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d16d82d264b00bcc60be2b22313e404fc9b69c03476e25e63f777cbf126156d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d16d82d264b00bcc60be2b22313e404fc9b69c03476e25e63f777cbf126156d9", kill_on_drop: false }` [INFO] [stdout] d16d82d264b00bcc60be2b22313e404fc9b69c03476e25e63f777cbf126156d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 703144281ba87aa2eb28d57e0e976bbdfcd05b884be03c693ec17b262b3dfc44 [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" "703144281ba87aa2eb28d57e0e976bbdfcd05b884be03c693ec17b262b3dfc44", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking event-listener v2.3.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking concurrent-queue v1.2.0 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking async-channel v1.4.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking futures-lite v0.1.10 [INFO] [stderr] Checking blocking v0.4.7 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking serde v1.0.114 [INFO] [stderr] Checking smol v0.1.18 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking async-std v1.6.2 [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `task` [INFO] [stdout] --> common/src/listener.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task` [INFO] [stdout] --> common/src/listener.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task` [INFO] [stdout] --> common/src/listener.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task` [INFO] [stdout] --> common/src/listener.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stderr] Checking client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "703144281ba87aa2eb28d57e0e976bbdfcd05b884be03c693ec17b262b3dfc44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "703144281ba87aa2eb28d57e0e976bbdfcd05b884be03c693ec17b262b3dfc44", kill_on_drop: false }` [INFO] [stdout] 703144281ba87aa2eb28d57e0e976bbdfcd05b884be03c693ec17b262b3dfc44