[INFO] fetching crate ldap3_server 0.1.6...
[INFO] checking ldap3_server-0.1.6 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate ldap3_server 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ldap3_server 0.1.6 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ldap3_server 0.1.6
[INFO] finished tweaking crates.io crate ldap3_server 0.1.6
[INFO] tweaked toml for crates.io crate ldap3_server 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ldap3_server 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c2c419e0e2a4324ff14a638e707656e972ff7d0d5d1238b18df59b69fb0fb88
[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" "9c2c419e0e2a4324ff14a638e707656e972ff7d0d5d1238b18df59b69fb0fb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c2c419e0e2a4324ff14a638e707656e972ff7d0d5d1238b18df59b69fb0fb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2c419e0e2a4324ff14a638e707656e972ff7d0d5d1238b18df59b69fb0fb88", kill_on_drop: false }`
[INFO] [stdout] 9c2c419e0e2a4324ff14a638e707656e972ff7d0d5d1238b18df59b69fb0fb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90b353faf5fbf26ef4c524af56ac60541c574ee06ee7707bf87e4224052ced0
[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" "b90b353faf5fbf26ef4c524af56ac60541c574ee06ee7707bf87e4224052ced0", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking once_cell v1.6.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking lber v0.3.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking ldap3_server v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/proto.rs:762:48
[INFO] [stdout]     |
[INFO] [stdout] 762 |                         for (i, StructureTag { class, id, payload }) in bv.iter().enumerate() {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `class: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]    --> src/proto.rs:762:48
[INFO] [stdout]     |
[INFO] [stdout] 762 |                         for (i, StructureTag { class, id, payload }) in bv.iter().enumerate() {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `class: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.13s
[INFO] running `Command { std: "docker" "inspect" "b90b353faf5fbf26ef4c524af56ac60541c574ee06ee7707bf87e4224052ced0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90b353faf5fbf26ef4c524af56ac60541c574ee06ee7707bf87e4224052ced0", kill_on_drop: false }`
[INFO] [stdout] b90b353faf5fbf26ef4c524af56ac60541c574ee06ee7707bf87e4224052ced0