[INFO] cloning repository https://github.com/d1vyank/dht_kad_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d1vyank/dht_kad_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1vyank%2Fdht_kad_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1vyank%2Fdht_kad_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2501ebf7fbc88432ac2c877eb4cd867cf8567e0
[INFO] checking d1vyank/dht_kad_rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1vyank%2Fdht_kad_rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d1vyank/dht_kad_rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d1vyank/dht_kad_rs
[INFO] finished tweaking git repo https://github.com/d1vyank/dht_kad_rs
[INFO] tweaked toml for git repo https://github.com/d1vyank/dht_kad_rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/d1vyank/dht_kad_rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/stepancheg/rust-protobuf`
[INFO] [stderr]     Updating git submodule `https://github.com/google/protobuf`
[INFO] [stderr]     Updating git submodule `https://github.com/google/benchmark.git`
[INFO] [stderr]     Updating git repository `https://github.com/google/tarpc`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages
[INFO] [stderr]       Adding tarpc v0.18.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-bincode-transport v0.7.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-lib v0.6.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-plugins v0.5.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-trace v0.2.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v0.2.0-alpha.6
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tracing-core v0.1.6
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tracing-attributes v0.1.4
[INFO] [stderr]   Downloaded color-backtrace v0.1.3
[INFO] [stderr]   Downloaded raii-counter v0.2.1
[INFO] [stderr]   Downloaded tokio-macros v0.2.0-alpha.6
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded bincode v1.2.0
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tokio-fs v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tokio-codec v0.2.0-alpha.6
[INFO] [stderr]   Downloaded pin-project-internal v0.4.3
[INFO] [stderr]   Downloaded tokio-io v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tokio-net v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tracing v0.1.9
[INFO] [stderr]   Downloaded tokio-executor v0.2.0-alpha.6
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tokio-timer v0.3.0-alpha.6
[INFO] [stderr]   Downloaded seahash v3.0.6
[INFO] [stderr]   Downloaded async-bincode v0.4.9
[INFO] [stderr]   Downloaded pin-project v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87768dfe80dc1b1c3b35e2f70cb7bf62e6206c14f1bde985e33386fc5fa7ea55
[INFO] running `Command { std: "docker" "start" "-a" "87768dfe80dc1b1c3b35e2f70cb7bf62e6206c14f1bde985e33386fc5fa7ea55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87768dfe80dc1b1c3b35e2f70cb7bf62e6206c14f1bde985e33386fc5fa7ea55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87768dfe80dc1b1c3b35e2f70cb7bf62e6206c14f1bde985e33386fc5fa7ea55", kill_on_drop: false }`
[INFO] [stdout] 87768dfe80dc1b1c3b35e2f70cb7bf62e6206c14f1bde985e33386fc5fa7ea55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e4699a5210bcb051f68faf1303d8fd8cf077e009f6bde3527d366d649358d52
[INFO] running `Command { std: "docker" "start" "-a" "4e4699a5210bcb051f68faf1303d8fd8cf077e009f6bde3527d366d649358d52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling protobuf v3.0.0-pre (https://github.com/stepancheg/rust-protobuf#15ae5cea)
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking raii-counter v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling tarpc-plugins v0.5.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking seahash v3.0.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking color-backtrace v0.1.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.3
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking tarpc-trace v0.2.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking tarpc-lib v0.6.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking async-bincode v0.4.9
[INFO] [stderr]     Checking tarpc-bincode-transport v0.7.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking tarpc v0.18.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking dht_kad_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking testbed v0.1.0 (/opt/rustwide/workdir/testbed)
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.78s
[INFO] running `Command { std: "docker" "inspect" "4e4699a5210bcb051f68faf1303d8fd8cf077e009f6bde3527d366d649358d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4699a5210bcb051f68faf1303d8fd8cf077e009f6bde3527d366d649358d52", kill_on_drop: false }`
[INFO] [stdout] 4e4699a5210bcb051f68faf1303d8fd8cf077e009f6bde3527d366d649358d52
[INFO] checking d1vyank/dht_kad_rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1vyank%2Fdht_kad_rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d1vyank/dht_kad_rs on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d1vyank/dht_kad_rs
[INFO] finished tweaking git repo https://github.com/d1vyank/dht_kad_rs
[INFO] tweaked toml for git repo https://github.com/d1vyank/dht_kad_rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/d1vyank/dht_kad_rs 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 5 packages
[INFO] [stderr]       Adding tarpc v0.18.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-bincode-transport v0.7.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-lib v0.6.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-plugins v0.5.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]       Adding tarpc-trace v0.2.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a970e24d6c91c50f62d6e9e0af18673dd425c05b7f0b2f36016fbc36f9b8131a
[INFO] running `Command { std: "docker" "start" "-a" "a970e24d6c91c50f62d6e9e0af18673dd425c05b7f0b2f36016fbc36f9b8131a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a970e24d6c91c50f62d6e9e0af18673dd425c05b7f0b2f36016fbc36f9b8131a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a970e24d6c91c50f62d6e9e0af18673dd425c05b7f0b2f36016fbc36f9b8131a", kill_on_drop: false }`
[INFO] [stdout] a970e24d6c91c50f62d6e9e0af18673dd425c05b7f0b2f36016fbc36f9b8131a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2688ac671193afacc6c053fb3d7a73da1c7d9b261d4d800b2be23ea566208d20
[INFO] running `Command { std: "docker" "start" "-a" "2688ac671193afacc6c053fb3d7a73da1c7d9b261d4d800b2be23ea566208d20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking tracing-core v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling protobuf v3.0.0-pre (https://github.com/stepancheg/rust-protobuf#15ae5cea)
[INFO] [stderr]     Checking raii-counter v0.2.1
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling tarpc-plugins v0.5.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking seahash v3.0.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking color-backtrace v0.1.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.3
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking tarpc-trace v0.2.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking tarpc-lib v0.6.1 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking async-bincode v0.4.9
[INFO] [stderr]     Checking tarpc-bincode-transport v0.7.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking tarpc v0.18.0 (https://github.com/google/tarpc?branch=master#5f6c3d7d)
[INFO] [stderr]     Checking dht_kad_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking testbed v0.1.0 (/opt/rustwide/workdir/testbed)
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dht` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dht::{self, keyutil, routing_table};
[INFO] [stdout]   |           ^^^^ the item `dht` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]  --> testbed/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.48s
[INFO] running `Command { std: "docker" "inspect" "2688ac671193afacc6c053fb3d7a73da1c7d9b261d4d800b2be23ea566208d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2688ac671193afacc6c053fb3d7a73da1c7d9b261d4d800b2be23ea566208d20", kill_on_drop: false }`
[INFO] [stdout] 2688ac671193afacc6c053fb3d7a73da1c7d9b261d4d800b2be23ea566208d20