[INFO] cloning repository https://github.com/vmikhaliuk/alx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vmikhaliuk/alx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmikhaliuk%2Falx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmikhaliuk%2Falx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7069ec98458f4c16d8a6c5710f256fa0a08b4f09
[INFO] checking vmikhaliuk/alx against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmikhaliuk%2Falx" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vmikhaliuk/alx
[INFO] finished tweaking git repo https://github.com/vmikhaliuk/alx
[INFO] tweaked toml for git repo https://github.com/vmikhaliuk/alx written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vmikhaliuk/alx 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 git repo https://github.com/vmikhaliuk/alx 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded select v0.4.3
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded pkg-config v0.3.23
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded markup5ever v0.8.1
[INFO] [stderr]   Downloaded signal-hook v0.3.12
[INFO] [stderr]   Downloaded comfy-table v5.0.0
[INFO] [stderr]   Downloaded html5ever v0.23.0
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a6f555b504eb5c87c47da24a83f0a98ca0a3c7149e27f70bc08712e0a5689d
[INFO] running `Command { std: "docker" "start" "-a" "18a6f555b504eb5c87c47da24a83f0a98ca0a3c7149e27f70bc08712e0a5689d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a6f555b504eb5c87c47da24a83f0a98ca0a3c7149e27f70bc08712e0a5689d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a6f555b504eb5c87c47da24a83f0a98ca0a3c7149e27f70bc08712e0a5689d", kill_on_drop: false }`
[INFO] [stdout] 18a6f555b504eb5c87c47da24a83f0a98ca0a3c7149e27f70bc08712e0a5689d
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d56ce4bf106a19f10747d0774878e345983890c4221701e0a4b1f74bb698a9e3
[INFO] running `Command { std: "docker" "start" "-a" "d56ce4bf106a19f10747d0774878e345983890c4221701e0a4b1f74bb698a9e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling pkg-config v0.3.23
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[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 backtrace v0.3.63
[INFO] [stderr]    Compiling signal-hook v0.3.12
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking strum v0.22.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking comfy-table v5.0.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking alx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.23.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 10`
[INFO] running `Command { std: "docker" "inspect" "d56ce4bf106a19f10747d0774878e345983890c4221701e0a4b1f74bb698a9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56ce4bf106a19f10747d0774878e345983890c4221701e0a4b1f74bb698a9e3", kill_on_drop: false }`
[INFO] [stdout] d56ce4bf106a19f10747d0774878e345983890c4221701e0a4b1f74bb698a9e3