[INFO] cloning repository https://github.com/gnunicorn/cargo-unleash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnunicorn/cargo-unleash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fcargo-unleash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fcargo-unleash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8f330e0c1828e34eee83e2200a493e89aba4ff6
[INFO] checking gnunicorn/cargo-unleash against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fcargo-unleash" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnunicorn/cargo-unleash on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnunicorn/cargo-unleash
[INFO] finished tweaking git repo https://github.com/gnunicorn/cargo-unleash
[INFO] tweaked toml for git repo https://github.com/gnunicorn/cargo-unleash written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gnunicorn/cargo-unleash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 396cbbdef15c807c02d58516ef154a130ea57337155909cfe44b6dc2efbbe9de
[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" "396cbbdef15c807c02d58516ef154a130ea57337155909cfe44b6dc2efbbe9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "396cbbdef15c807c02d58516ef154a130ea57337155909cfe44b6dc2efbbe9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396cbbdef15c807c02d58516ef154a130ea57337155909cfe44b6dc2efbbe9de", kill_on_drop: false }`
[INFO] [stdout] 396cbbdef15c807c02d58516ef154a130ea57337155909cfe44b6dc2efbbe9de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "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] 1e2d3cfaa053b74c5fa2d89a7b18ebc02dd31303b6533326d3ba36f28be9e5ee
[INFO] running `Command { std: "docker" "start" "-a" "1e2d3cfaa053b74c5fa2d89a7b18ebc02dd31303b6533326d3ba36f28be9e5ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking bitmaps v2.0.0
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling cargo v0.48.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking flexi_logger v0.16.1
[INFO] [stderr]     Checking ignore v0.4.12
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]     Checking git2 v0.13.12
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking serde_ignored v0.1.1
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking rustfix v0.5.0
[INFO] [stderr]     Checking crates-io v0.31.1
[INFO] [stderr]     Checking cargo-unleash v1.0.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] running `Command { std: "docker" "inspect" "1e2d3cfaa053b74c5fa2d89a7b18ebc02dd31303b6533326d3ba36f28be9e5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2d3cfaa053b74c5fa2d89a7b18ebc02dd31303b6533326d3ba36f28be9e5ee", kill_on_drop: false }`
[INFO] [stdout] 1e2d3cfaa053b74c5fa2d89a7b18ebc02dd31303b6533326d3ba36f28be9e5ee