[INFO] cloning repository https://github.com/RustisLeague/rustis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustisLeague/rustis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustisLeague%2Frustis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustisLeague%2Frustis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5440206c1ca7efe191c8b7b5a162f0fa41c4cbcf [INFO] checking RustisLeague/rustis against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustisLeague%2Frustis" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RustisLeague/rustis on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RustisLeague/rustis [INFO] finished tweaking git repo https://github.com/RustisLeague/rustis [INFO] tweaked toml for git repo https://github.com/RustisLeague/rustis written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/RustisLeague/rustis already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a59d614f4dc6dd5cc9a1a2a183a28b9a253adc18ee7ee1030f8f8060e942bc5 [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" "3a59d614f4dc6dd5cc9a1a2a183a28b9a253adc18ee7ee1030f8f8060e942bc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a59d614f4dc6dd5cc9a1a2a183a28b9a253adc18ee7ee1030f8f8060e942bc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a59d614f4dc6dd5cc9a1a2a183a28b9a253adc18ee7ee1030f8f8060e942bc5", kill_on_drop: false }` [INFO] [stdout] 3a59d614f4dc6dd5cc9a1a2a183a28b9a253adc18ee7ee1030f8f8060e942bc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1baca2e40183ebd2dc00b47b944c8ec16155b03ae4d8d69a52b465779ed4fcc [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" "c1baca2e40183ebd2dc00b47b944c8ec16155b03ae4d8d69a52b465779ed4fcc", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.26 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking argparse v0.2.1 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking nom v3.1.0 [INFO] [stderr] Checking mio v0.6.9 [INFO] [stderr] Checking rustis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `IResult` [INFO] [stdout] --> src/rustis/parse.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use nom::{IResult, digit}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/rustis/db.rs:38:26 [INFO] [stdout] | [INFO] [stdout] 38 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/rustis/db.rs:38:26 [INFO] [stdout] | [INFO] [stdout] 38 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rustis/server.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | let mut hup = event.readiness().contains(UnixReady::hup()); [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/rustis/server.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | let mut hup = event.readiness().contains(UnixReady::hup()); [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: field is never read: `exp` [INFO] [stdout] --> src/rustis/db.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | exp:BinaryHeap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `exp` [INFO] [stdout] --> src/rustis/db.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | exp:BinaryHeap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/rustis/server.rs:79:29 [INFO] [stdout] | [INFO] [stdout] 79 | ... stream.read_to_string(buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/rustis/server.rs:79:29 [INFO] [stdout] | [INFO] [stdout] 79 | ... stream.read_to_string(buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.22s [INFO] running `Command { std: "docker" "inspect" "c1baca2e40183ebd2dc00b47b944c8ec16155b03ae4d8d69a52b465779ed4fcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1baca2e40183ebd2dc00b47b944c8ec16155b03ae4d8d69a52b465779ed4fcc", kill_on_drop: false }` [INFO] [stdout] c1baca2e40183ebd2dc00b47b944c8ec16155b03ae4d8d69a52b465779ed4fcc