[INFO] fetching crate socketlabs 0.2.1...
[INFO] checking socketlabs-0.2.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate socketlabs 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate socketlabs 0.2.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate socketlabs 0.2.1
[INFO] finished tweaking crates.io crate socketlabs 0.2.1
[INFO] tweaked toml for crates.io crate socketlabs 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded matches v0.1.10
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.5
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded winreg v0.6.2
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded want v0.2.0
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4805f960d4c186aea22691a6150b07c94fb9d0c1d89b256ad05b55388e6ebeb6
[INFO] running `Command { std: "docker" "start" "-a" "4805f960d4c186aea22691a6150b07c94fb9d0c1d89b256ad05b55388e6ebeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4805f960d4c186aea22691a6150b07c94fb9d0c1d89b256ad05b55388e6ebeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4805f960d4c186aea22691a6150b07c94fb9d0c1d89b256ad05b55388e6ebeb6", kill_on_drop: false }`
[INFO] [stdout] 4805f960d4c186aea22691a6150b07c94fb9d0c1d89b256ad05b55388e6ebeb6
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e1d23e9194c4f8a93fa559832c3782d8ffec9774bb7eabf2ff5f1a62e09984b
[INFO] running `Command { std: "docker" "start" "-a" "1e1d23e9194c4f8a93fa559832c3782d8ffec9774bb7eabf2ff5f1a62e09984b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking socketlabs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.34s
[INFO] running `Command { std: "docker" "inspect" "1e1d23e9194c4f8a93fa559832c3782d8ffec9774bb7eabf2ff5f1a62e09984b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1d23e9194c4f8a93fa559832c3782d8ffec9774bb7eabf2ff5f1a62e09984b", kill_on_drop: false }`
[INFO] [stdout] 1e1d23e9194c4f8a93fa559832c3782d8ffec9774bb7eabf2ff5f1a62e09984b