[INFO] fetching crate prove_derive 0.1.5...
[INFO] checking prove_derive-0.1.5 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate prove_derive 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prove_derive 0.1.5 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prove_derive 0.1.5
[INFO] finished tweaking crates.io crate prove_derive 0.1.5
[INFO] tweaked toml for crates.io crate prove_derive 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prove v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 936bd6ac3c811c7495350d0bfff2ad0acb97cba3187d8914eb906b8a69f71b70
[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" "936bd6ac3c811c7495350d0bfff2ad0acb97cba3187d8914eb906b8a69f71b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "936bd6ac3c811c7495350d0bfff2ad0acb97cba3187d8914eb906b8a69f71b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936bd6ac3c811c7495350d0bfff2ad0acb97cba3187d8914eb906b8a69f71b70", kill_on_drop: false }`
[INFO] [stdout] 936bd6ac3c811c7495350d0bfff2ad0acb97cba3187d8914eb906b8a69f71b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee2d382333f65dede2093f1213a97a495e6b74f2adc0144044f2e2d10ee3348d
[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" "ee2d382333f65dede2093f1213a97a495e6b74f2adc0144044f2e2d10ee3348d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking prove v0.1.5
[INFO] [stderr]     Checking prove_derive v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.55s
[INFO] running `Command { std: "docker" "inspect" "ee2d382333f65dede2093f1213a97a495e6b74f2adc0144044f2e2d10ee3348d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2d382333f65dede2093f1213a97a495e6b74f2adc0144044f2e2d10ee3348d", kill_on_drop: false }`
[INFO] [stdout] ee2d382333f65dede2093f1213a97a495e6b74f2adc0144044f2e2d10ee3348d