[INFO] fetching crate labrador 0.2.2...
[INFO] checking labrador-0.2.2 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate labrador 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate labrador 0.2.2 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate labrador 0.2.2
[INFO] finished tweaking crates.io crate labrador 0.2.2
[INFO] tweaked toml for crates.io crate labrador 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peresil v0.3.0
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.6.0
[INFO] [stderr]   Downloaded sxd-document v0.2.6
[INFO] [stderr]   Downloaded r2d2 v0.8.10
[INFO] [stderr]   Downloaded x509-parser v0.14.0
[INFO] [stderr]   Downloaded redis v0.21.7
[INFO] [stderr]   Downloaded sxd-xpath v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c50513ca0afc0ce8203cbc8bf101b178caa0e712034829db4eefbcb44eb86b8f
[INFO] running `Command { std: "docker" "start" "-a" "c50513ca0afc0ce8203cbc8bf101b178caa0e712034829db4eefbcb44eb86b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50513ca0afc0ce8203cbc8bf101b178caa0e712034829db4eefbcb44eb86b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50513ca0afc0ce8203cbc8bf101b178caa0e712034829db4eefbcb44eb86b8f", kill_on_drop: false }`
[INFO] [stdout] c50513ca0afc0ce8203cbc8bf101b178caa0e712034829db4eefbcb44eb86b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca39004f9ada9c967af5ffff4c220e46db0d2e1323da17cfd71b95c30a91fcc8
[INFO] running `Command { std: "docker" "start" "-a" "ca39004f9ada9c967af5ffff4c220e46db0d2e1323da17cfd71b95c30a91fcc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking pem-rfc7468 v0.3.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking openssl-sys v0.9.88
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling rustls v0.21.2
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking spki v0.5.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.100.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling num-bigint-dig v0.8.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pkcs8 v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking pkcs1 v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking xml-rs v0.8.14
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rsa v0.6.1
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling asn1-rs-derive v0.4.0
[INFO] [stderr]    Compiling asn1-rs-impl v0.1.0
[INFO] [stderr]     Checking openssl v0.10.54
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking asn1-rs v0.5.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking der-parser v8.2.0
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking x509-parser v0.14.0
[INFO] [stderr]     Checking serde v1.0.164
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.97
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.19
[INFO] [stderr]     Checking redis v0.21.7
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking hyper-rustls v0.24.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking labrador v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: 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 2`
[INFO] running `Command { std: "docker" "inspect" "ca39004f9ada9c967af5ffff4c220e46db0d2e1323da17cfd71b95c30a91fcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca39004f9ada9c967af5ffff4c220e46db0d2e1323da17cfd71b95c30a91fcc8", kill_on_drop: false }`
[INFO] [stdout] ca39004f9ada9c967af5ffff4c220e46db0d2e1323da17cfd71b95c30a91fcc8