[INFO] fetching crate bmemcached 0.5.0...
[INFO] checking bmemcached-0.5.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate bmemcached 0.5.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bmemcached 0.5.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bmemcached 0.5.0
[INFO] finished tweaking crates.io crate bmemcached 0.5.0
[INFO] tweaked toml for crates.io crate bmemcached 0.5.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 91 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding cast v0.2.7 (latest: v0.3.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.16)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding conhash v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion v0.2.11 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.3.1 (latest: v0.5.0)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.5)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.4.0)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding itertools v0.8.2 (latest: v0.13.0)
[INFO] [stderr]       Adding md5 v0.3.8 (latest: v0.7.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding num v0.2.1 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_xoshiro v0.1.0 (latest: v0.6.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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 md5 v0.3.8
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39834b4beed80a0044fe336467ba92d8254bdfc22603733fef1daeb030ab8f72
[INFO] running `Command { std: "docker" "start" "-a" "39834b4beed80a0044fe336467ba92d8254bdfc22603733fef1daeb030ab8f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39834b4beed80a0044fe336467ba92d8254bdfc22603733fef1daeb030ab8f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39834b4beed80a0044fe336467ba92d8254bdfc22603733fef1daeb030ab8f72", kill_on_drop: false }`
[INFO] [stdout] 39834b4beed80a0044fe336467ba92d8254bdfc22603733fef1daeb030ab8f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c277f2e3b4ad17360958369f59b7183701e792aa33b89fd2ecf5bb83859875e6
[INFO] running `Command { std: "docker" "start" "-a" "c277f2e3b4ad17360958369f59b7183701e792aa33b89fd2ecf5bb83859875e6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking object v0.36.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking conhash v0.4.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking bmemcached v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `magic`, `opcode`, `key_length`, `data_type`, `opaque`, and `cas` are never read
[INFO] [stdout]   --> src/protocol.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Response {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 76 |     magic: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     opcode: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 78 |     key_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 79 |     extras_length: u8,
[INFO] [stdout] 80 |     data_type: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     opaque: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     cas: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: fields `magic`, `opcode`, `key_length`, `data_type`, `opaque`, and `cas` are never read
[INFO] [stdout]   --> src/protocol.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Response {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 76 |     magic: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     opcode: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 78 |     key_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 79 |     extras_length: u8,
[INFO] [stdout] 80 |     data_type: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     opaque: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     cas: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c277f2e3b4ad17360958369f59b7183701e792aa33b89fd2ecf5bb83859875e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c277f2e3b4ad17360958369f59b7183701e792aa33b89fd2ecf5bb83859875e6", kill_on_drop: false }`
[INFO] [stdout] c277f2e3b4ad17360958369f59b7183701e792aa33b89fd2ecf5bb83859875e6