[INFO] fetching crate dargo 0.0.6...
[INFO] checking dargo-0.0.6 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate dargo 0.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dargo 0.0.6 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 crates.io crate dargo 0.0.6
[INFO] finished tweaking crates.io crate dargo 0.0.6
[INFO] tweaked toml for crates.io crate dargo 0.0.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git2-curl v0.9.0
[INFO] [stderr]   Downloaded crates-io v0.24.0
[INFO] [stderr]   Downloaded im-rc v12.3.4
[INFO] [stderr]   Downloaded cargo v0.36.0
[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] b398d1741a51b9cff2b6ccf5d693985ec2089370f4ab132a537ea265d38f6bc9
[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" "b398d1741a51b9cff2b6ccf5d693985ec2089370f4ab132a537ea265d38f6bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b398d1741a51b9cff2b6ccf5d693985ec2089370f4ab132a537ea265d38f6bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b398d1741a51b9cff2b6ccf5d693985ec2089370f4ab132a537ea265d38f6bc9", kill_on_drop: false }`
[INFO] [stdout] b398d1741a51b9cff2b6ccf5d693985ec2089370f4ab132a537ea265d38f6bc9
[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] [stdout] d647873cb23b465635d31278b7c143e5d5cd39533e559fcf05df3758d232301f
[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" "d647873cb23b465635d31278b7c143e5d5cd39533e559fcf05df3758d232301f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking flexi_logger v0.13.4
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking crates-io v0.24.0
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking cargo v0.36.0
[INFO] [stderr]     Checking dargo v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 01s
[INFO] running `Command { std: "docker" "inspect" "d647873cb23b465635d31278b7c143e5d5cd39533e559fcf05df3758d232301f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d647873cb23b465635d31278b7c143e5d5cd39533e559fcf05df3758d232301f", kill_on_drop: false }`
[INFO] [stdout] d647873cb23b465635d31278b7c143e5d5cd39533e559fcf05df3758d232301f