[INFO] cloning repository https://github.com/EarvinKayonga/iojcorefer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EarvinKayonga/iojcorefer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarvinKayonga%2Fiojcorefer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarvinKayonga%2Fiojcorefer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3af6feeb8cae8659a54d1dc0fe0cd92ccaab9dff
[INFO] checking EarvinKayonga/iojcorefer against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarvinKayonga%2Fiojcorefer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EarvinKayonga/iojcorefer on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EarvinKayonga/iojcorefer
[INFO] finished tweaking git repo https://github.com/EarvinKayonga/iojcorefer
[INFO] tweaked toml for git repo https://github.com/EarvinKayonga/iojcorefer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/EarvinKayonga/iojcorefer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle v2.2.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d016053d870e7779d80ae90311384d356956fc2634a376c142bf15b93698e341
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d016053d870e7779d80ae90311384d356956fc2634a376c142bf15b93698e341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d016053d870e7779d80ae90311384d356956fc2634a376c142bf15b93698e341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d016053d870e7779d80ae90311384d356956fc2634a376c142bf15b93698e341", kill_on_drop: false }`
[INFO] [stdout] d016053d870e7779d80ae90311384d356956fc2634a376c142bf15b93698e341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b6cfcef0dd1cc254402a22dd64dd930bd455fc7ab61b7a2080b7c427b1a802a
[INFO] running `Command { std: "docker" "start" "-a" "1b6cfcef0dd1cc254402a22dd64dd930bd455fc7ab61b7a2080b7c427b1a802a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.7
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[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
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[INFO] [stderr]     Checking time v0.1.44
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking rusty_ulid v0.4.1
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking redis v0.12.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking r2d2_redis v0.11.0
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking iojcorefer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "1b6cfcef0dd1cc254402a22dd64dd930bd455fc7ab61b7a2080b7c427b1a802a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6cfcef0dd1cc254402a22dd64dd930bd455fc7ab61b7a2080b7c427b1a802a", kill_on_drop: false }`
[INFO] [stdout] 1b6cfcef0dd1cc254402a22dd64dd930bd455fc7ab61b7a2080b7c427b1a802a