[INFO] fetching crate git2 0.13.15...
[INFO] checking git2-0.13.15 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate git2 0.13.15 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate git2 0.13.15 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git2 0.13.15
[INFO] finished tweaking crates.io crate git2 0.13.15
[INFO] tweaked toml for crates.io crate git2 0.13.15 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate git2 0.13.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] 3b044586a00fe66d5f1edfccf08087f94ebb546ac18a2ccf9d60ad6d3cd2193d
[INFO] running `Command { std: "docker" "start" "-a" "3b044586a00fe66d5f1edfccf08087f94ebb546ac18a2ccf9d60ad6d3cd2193d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b044586a00fe66d5f1edfccf08087f94ebb546ac18a2ccf9d60ad6d3cd2193d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b044586a00fe66d5f1edfccf08087f94ebb546ac18a2ccf9d60ad6d3cd2193d", kill_on_drop: false }`
[INFO] [stdout] 3b044586a00fe66d5f1edfccf08087f94ebb546ac18a2ccf9d60ad6d3cd2193d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 8cfcd13625da62907b5653729688192b7f10a12a5bbf788971031a3d57bd6beb
[INFO] running `Command { std: "docker" "start" "-a" "8cfcd13625da62907b5653729688192b7f10a12a5bbf788971031a3d57bd6beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.17+1.1.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking git2 v0.13.15 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "8cfcd13625da62907b5653729688192b7f10a12a5bbf788971031a3d57bd6beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfcd13625da62907b5653729688192b7f10a12a5bbf788971031a3d57bd6beb", kill_on_drop: false }`
[INFO] [stdout] 8cfcd13625da62907b5653729688192b7f10a12a5bbf788971031a3d57bd6beb