[INFO] cloning repository https://github.com/omarcrz0/chust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omarcrz0/chust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomarcrz0%2Fchust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomarcrz0%2Fchust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b17d032a4e052396c8d0e74e21d88ea34f0e6beb [INFO] checking omarcrz0/chust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomarcrz0%2Fchust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/omarcrz0/chust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/omarcrz0/chust [INFO] finished tweaking git repo https://github.com/omarcrz0/chust [INFO] tweaked toml for git repo https://github.com/omarcrz0/chust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/omarcrz0/chust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39cd7a4aaa03702b51b68268f81e21e5405f256c13e76dd0e71751999bca74e5 [INFO] running `Command { std: "docker" "start" "-a" "39cd7a4aaa03702b51b68268f81e21e5405f256c13e76dd0e71751999bca74e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39cd7a4aaa03702b51b68268f81e21e5405f256c13e76dd0e71751999bca74e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39cd7a4aaa03702b51b68268f81e21e5405f256c13e76dd0e71751999bca74e5", kill_on_drop: false }` [INFO] [stdout] 39cd7a4aaa03702b51b68268f81e21e5405f256c13e76dd0e71751999bca74e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e559020efa21dd1676c1e449eac7a965326b616c9b929bdd9e1e29f8b06fe1c4 [INFO] running `Command { std: "docker" "start" "-a" "e559020efa21dd1676c1e449eac7a965326b616c9b929bdd9e1e29f8b06fe1c4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters-svg v0.3.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/server/mod.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | let message = format!("+{} user connected.", addr); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_socket` [INFO] [stdout] --> src/server/mod.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | let mut temp_socket = socket_ptr.deref(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_socket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/mod.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | let mut temp_socket = socket_ptr.deref(); [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: unused variable: `message` [INFO] [stdout] --> src/server/mod.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let message = format!("-{} user disconnected.", addr); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_socket` [INFO] [stdout] --> src/server/mod.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | let mut temp_socket = socket_ptr.deref(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_socket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/mod.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | let mut temp_socket = socket_ptr.deref(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters v0.3.2 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/server/mod.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | let message = format!("+{} user connected.", addr); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_socket` [INFO] [stdout] --> src/server/mod.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | let mut temp_socket = socket_ptr.deref(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_socket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/mod.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | let mut temp_socket = socket_ptr.deref(); [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: unused variable: `message` [INFO] [stdout] --> src/server/mod.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let message = format!("-{} user disconnected.", addr); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_socket` [INFO] [stdout] --> src/server/mod.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | let mut temp_socket = socket_ptr.deref(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_socket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/mod.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | let mut temp_socket = socket_ptr.deref(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.14s [INFO] running `Command { std: "docker" "inspect" "e559020efa21dd1676c1e449eac7a965326b616c9b929bdd9e1e29f8b06fe1c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e559020efa21dd1676c1e449eac7a965326b616c9b929bdd9e1e29f8b06fe1c4", kill_on_drop: false }` [INFO] [stdout] e559020efa21dd1676c1e449eac7a965326b616c9b929bdd9e1e29f8b06fe1c4