[INFO] updating cached repository https://github.com/rednithin/RustGoBenchmark
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 065ef19c4265faa4a975c3a741a37c1a94153b5d
[INFO] checking rednithin/RustGoBenchmark against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FRustGoBenchmark" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rednithin/RustGoBenchmark on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rednithin/RustGoBenchmark
[INFO] finished tweaking git repo https://github.com/rednithin/RustGoBenchmark
[INFO] tweaked toml for git repo https://github.com/rednithin/RustGoBenchmark written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rednithin/RustGoBenchmark already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab15b2fb82ed8dff9cd410f19b93c57f2a7c3d23fdf4684511b47c0cf1258aa5
[INFO] running `"docker" "start" "-a" "ab15b2fb82ed8dff9cd410f19b93c57f2a7c3d23fdf4684511b47c0cf1258aa5"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking arc-swap v0.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]     Checking chrono v0.4.8
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking actix-utils v0.4.5
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.4
[INFO] [stderr]     Checking actix-server v0.6.0
[INFO] [stderr]     Checking actix-connect v0.2.3
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.9
[INFO] [stderr]     Checking awc v0.2.4
[INFO] [stderr]     Checking actix-web v1.0.7
[INFO] [stderr]     Checking rsbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `http::header`
[INFO] [stderr]  --> src/main.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use actix_web::{http::header, web, App, HttpRequest, HttpServer, Responder, Result};
[INFO] [stderr]   |                 ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `http::header`
[INFO] [stderr]  --> src/main.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use actix_web::{http::header, web, App, HttpRequest, HttpServer, Responder, Result};
[INFO] [stderr]   |                 ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7m 14s
[INFO] running `"docker" "inspect" "ab15b2fb82ed8dff9cd410f19b93c57f2a7c3d23fdf4684511b47c0cf1258aa5"`
[INFO] running `"docker" "rm" "-f" "ab15b2fb82ed8dff9cd410f19b93c57f2a7c3d23fdf4684511b47c0cf1258aa5"`
[INFO] [stdout] ab15b2fb82ed8dff9cd410f19b93c57f2a7c3d23fdf4684511b47c0cf1258aa5