[INFO] fetching crate bmemcached 0.5.0...
[INFO] checking bmemcached-0.5.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bmemcached 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bmemcached 0.5.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded cast v0.2.7
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18636b154a85236155d9b469e569dc8401d12684515dfb96804e02218d4bb822
[INFO] running `Command { std: "docker" "start" "-a" "18636b154a85236155d9b469e569dc8401d12684515dfb96804e02218d4bb822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18636b154a85236155d9b469e569dc8401d12684515dfb96804e02218d4bb822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18636b154a85236155d9b469e569dc8401d12684515dfb96804e02218d4bb822", kill_on_drop: false }`
[INFO] [stdout] 18636b154a85236155d9b469e569dc8401d12684515dfb96804e02218d4bb822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81bdd86ed1eeed3fec108b7299ef83abcdce76903061a98556604b7e6142a096
[INFO] running `Command { std: "docker" "start" "-a" "81bdd86ed1eeed3fec108b7299ef83abcdce76903061a98556604b7e6142a096", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking conhash v0.4.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.5.13
[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: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/protocol.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 455 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 456 |     use errors::{Error, Result};
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "81bdd86ed1eeed3fec108b7299ef83abcdce76903061a98556604b7e6142a096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81bdd86ed1eeed3fec108b7299ef83abcdce76903061a98556604b7e6142a096", kill_on_drop: false }`
[INFO] [stdout] 81bdd86ed1eeed3fec108b7299ef83abcdce76903061a98556604b7e6142a096
[INFO] checking bmemcached-0.5.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bmemcached 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bmemcached 0.5.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5824e7072cd2a7975ea1565df09b96e79526db567160308dc80eb0b69636af6c
[INFO] running `Command { std: "docker" "start" "-a" "5824e7072cd2a7975ea1565df09b96e79526db567160308dc80eb0b69636af6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5824e7072cd2a7975ea1565df09b96e79526db567160308dc80eb0b69636af6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5824e7072cd2a7975ea1565df09b96e79526db567160308dc80eb0b69636af6c", kill_on_drop: false }`
[INFO] [stdout] 5824e7072cd2a7975ea1565df09b96e79526db567160308dc80eb0b69636af6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62ddaf2eb0190932cd6a4531556dd3afe019473ed0739f90f726fcef32874672
[INFO] running `Command { std: "docker" "start" "-a" "62ddaf2eb0190932cd6a4531556dd3afe019473ed0739f90f726fcef32874672", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking conhash v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.10.4
[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] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/protocol.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 455 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 456 |     use errors::{Error, Result};
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.59s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "62ddaf2eb0190932cd6a4531556dd3afe019473ed0739f90f726fcef32874672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ddaf2eb0190932cd6a4531556dd3afe019473ed0739f90f726fcef32874672", kill_on_drop: false }`
[INFO] [stdout] 62ddaf2eb0190932cd6a4531556dd3afe019473ed0739f90f726fcef32874672
