[INFO] fetching crate afxdp 0.4.0...
[INFO] checking afxdp-0.4.0 against master#6d05c430d2f0573bf98320bb1d2457a72ea1e67f for pr-116607
[INFO] extracting crate afxdp 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate afxdp 0.4.0 on toolchain 6d05c430d2f0573bf98320bb1d2457a72ea1e67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate afxdp 0.4.0
[INFO] finished tweaking crates.io crate afxdp 0.4.0
[INFO] tweaked toml for crates.io crate afxdp 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate afxdp 0.4.0 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" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded pnet_macros_support v0.27.2
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.71
[INFO] [stderr]   Downloaded rlimit v0.5.4
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded serde_yaml v0.8.17
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded ipnetwork v0.17.0
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded memoffset v0.6.1
[INFO] [stderr]   Downloaded syntex v0.42.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.71
[INFO] [stderr]   Downloaded pnet_datalink v0.27.2
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded js-sys v0.3.48
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] [stderr]   Downloaded web-sys v0.3.48
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] [stderr]   Downloaded syntex_syntax v0.42.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.71
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded pnet v0.27.2
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded syntex_pos v0.42.0
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded serde_derive v1.0.124
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded pnet_packet v0.27.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.71
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded syntex_errors v0.42.0
[INFO] [stderr]   Downloaded pnet_transport v0.27.2
[INFO] [stderr]   Downloaded dtoa v0.4.7
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded pnet_macros v0.27.2
[INFO] [stderr]   Downloaded cli-table v0.4.5
[INFO] [stderr]   Downloaded pnet_base v0.27.2
[INFO] [stderr]   Downloaded serde v1.0.124
[INFO] [stderr]   Downloaded rtrb v0.1.2
[INFO] [stderr]   Downloaded cli-table-derive v0.4.4
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded pnet_sys v0.27.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.71
[INFO] [stderr]   Downloaded libbpf-sys v0.3.0-1
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3d56c45af9350f828094ecfa2c70e22cc7ec628379d6c85d56eb036eff82971
[INFO] running `Command { std: "docker" "start" "-a" "d3d56c45af9350f828094ecfa2c70e22cc7ec628379d6c85d56eb036eff82971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3d56c45af9350f828094ecfa2c70e22cc7ec628379d6c85d56eb036eff82971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d56c45af9350f828094ecfa2c70e22cc7ec628379d6c85d56eb036eff82971", kill_on_drop: false }`
[INFO] [stdout] d3d56c45af9350f828094ecfa2c70e22cc7ec628379d6c85d56eb036eff82971
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe0ff2badc757a62b60b8cd99097f6c9460b4333db0f63961c97c1f1d5c1d0c
[INFO] running `Command { std: "docker" "start" "-a" "cfe0ff2badc757a62b60b8cd99097f6c9460b4333db0f63961c97c1f1d5c1d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking pnet_base v0.27.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling libbpf-sys v0.3.0-1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling cli-table-derive v0.4.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking rtrb v0.1.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking rlimit v0.5.4
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking ctrlc v3.1.8
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]     Checking afxdp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `if_name_c` is never read
[INFO] [stdout]   --> src/socket.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Socket<'a, T: std::default::Default + std::marker::Copy> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     if_name_c: CString,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Socket` 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: field `socket` is never read
[INFO] [stdout]   --> src/socket.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct SocketTx<'a, T: std::default::Default + std::marker::Copy> {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 48 |     socket: Arc<Socket<'a, T>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SocketTx` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `umem` is never read
[INFO] [stdout]   --> src/umem.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct UmemFillQueue<'a, T: std::default::Default + std::marker::Copy> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 41 |     umem: Arc<Umem<'a, T>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UmemFillQueue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking cli-table v0.4.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking pnet_transport v0.27.2
[INFO] [stdout] warning: fields `cq_bufs` and `tx_packets` are never read
[INFO] [stdout]   --> examples/dump.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Stats {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 49 |     cq_bufs: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     tx_packets: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has derived impls for the traits `Clone` and `Debug`, but these are 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] [stdout] warning: fields `cq_bufs_received` and `tx_packets` are never read
[INFO] [stdout]   --> examples/rxdrop.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Stats {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 42 |     cq_bufs_received: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     tx_packets: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has derived impls for the traits `Clone` and `Debug`, but these are 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] [stdout] warning: field `if_name_c` is never read
[INFO] [stdout]   --> src/socket.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Socket<'a, T: std::default::Default + std::marker::Copy> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     if_name_c: CString,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Socket` 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: field `socket` is never read
[INFO] [stdout]   --> src/socket.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct SocketTx<'a, T: std::default::Default + std::marker::Copy> {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 48 |     socket: Arc<Socket<'a, T>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SocketTx` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `umem` is never read
[INFO] [stdout]   --> src/umem.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct UmemFillQueue<'a, T: std::default::Default + std::marker::Copy> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 41 |     umem: Arc<Umem<'a, T>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UmemFillQueue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.91s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4, rustc-serialize v0.3.24
[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" "cfe0ff2badc757a62b60b8cd99097f6c9460b4333db0f63961c97c1f1d5c1d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe0ff2badc757a62b60b8cd99097f6c9460b4333db0f63961c97c1f1d5c1d0c", kill_on_drop: false }`
[INFO] [stdout] cfe0ff2badc757a62b60b8cd99097f6c9460b4333db0f63961c97c1f1d5c1d0c