[INFO] fetching crate coap-client 0.3.1...
[INFO] checking coap-client-0.3.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate coap-client 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate coap-client 0.3.1
[INFO] finished tweaking crates.io crate coap-client 0.3.1
[INFO] tweaked toml for crates.io crate coap-client 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coap-client 0.3.1 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate coap-client 0.3.1 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-openssl v0.6.3
[INFO] [stderr]   Downloaded coap-lite v0.4.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.68
[INFO] [stderr]   Downloaded openssl v0.10.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82a3ed493089e439b6a7385fcf687b4e63e01d87fd87c31d3c21d6f67025ba67
[INFO] running `Command { std: "docker" "start" "-a" "82a3ed493089e439b6a7385fcf687b4e63e01d87fd87c31d3c21d6f67025ba67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a3ed493089e439b6a7385fcf687b4e63e01d87fd87c31d3c21d6f67025ba67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a3ed493089e439b6a7385fcf687b4e63e01d87fd87c31d3c21d6f67025ba67", kill_on_drop: false }`
[INFO] [stdout] 82a3ed493089e439b6a7385fcf687b4e63e01d87fd87c31d3c21d6f67025ba67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 469a95d814ebcf5317a8371f4804ab1283afa0dfcdc50921b66b96eb2c68a7b2
[INFO] running `Command { std: "docker" "start" "-a" "469a95d814ebcf5317a8371f4804ab1283afa0dfcdc50921b66b96eb2c68a7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling openssl-sys v0.9.68
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling openssl v0.10.37
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking coap-lite v0.4.1
[INFO] [stderr]     Checking strum v0.22.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking simplelog v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking coap-client v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/backend/mod.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{Future, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/backend/mod.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{Future, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.11s
[INFO] running `Command { std: "docker" "inspect" "469a95d814ebcf5317a8371f4804ab1283afa0dfcdc50921b66b96eb2c68a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469a95d814ebcf5317a8371f4804ab1283afa0dfcdc50921b66b96eb2c68a7b2", kill_on_drop: false }`
[INFO] [stdout] 469a95d814ebcf5317a8371f4804ab1283afa0dfcdc50921b66b96eb2c68a7b2