[INFO] fetching crate git2 0.13.8...
[INFO] checking git2-0.13.8 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate git2 0.13.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate git2 0.13.8 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git2 0.13.8
[INFO] finished tweaking crates.io crate git2 0.13.8
[INFO] tweaked toml for crates.io crate git2 0.13.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate git2 0.13.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28d08d20717c914126414c5bc95bfb1f3f8f7999676bf0ac598156fc8bdd08e9
[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" "28d08d20717c914126414c5bc95bfb1f3f8f7999676bf0ac598156fc8bdd08e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d08d20717c914126414c5bc95bfb1f3f8f7999676bf0ac598156fc8bdd08e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d08d20717c914126414c5bc95bfb1f3f8f7999676bf0ac598156fc8bdd08e9", kill_on_drop: false }`
[INFO] [stdout] 28d08d20717c914126414c5bc95bfb1f3f8f7999676bf0ac598156fc8bdd08e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc8b872f9e1b4bf29f9a57f7cd4926df1e15ce224260b56d29945c9d6ae95bc
[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" "bfc8b872f9e1b4bf29f9a57f7cd4926df1e15ce224260b56d29945c9d6ae95bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking git2 v0.13.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "bfc8b872f9e1b4bf29f9a57f7cd4926df1e15ce224260b56d29945c9d6ae95bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc8b872f9e1b4bf29f9a57f7cd4926df1e15ce224260b56d29945c9d6ae95bc", kill_on_drop: false }`
[INFO] [stdout] bfc8b872f9e1b4bf29f9a57f7cd4926df1e15ce224260b56d29945c9d6ae95bc