[INFO] fetching crate prove_derive 0.1.5...
[INFO] checking prove_derive-0.1.5 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate prove_derive 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate prove_derive 0.1.5 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c85a68990553f9a5b3058aca9fe2ed765c855f227ceb45ec40389daeec1070f7
[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" "c85a68990553f9a5b3058aca9fe2ed765c855f227ceb45ec40389daeec1070f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c85a68990553f9a5b3058aca9fe2ed765c855f227ceb45ec40389daeec1070f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85a68990553f9a5b3058aca9fe2ed765c855f227ceb45ec40389daeec1070f7", kill_on_drop: false }`
[INFO] [stdout] c85a68990553f9a5b3058aca9fe2ed765c855f227ceb45ec40389daeec1070f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] c773e72dcdab0c23ab220f145ba011de3459bb6e6b8155b2a898de8a0a0a2a4f
[INFO] running `Command { std: "docker" "start" "-a" "c773e72dcdab0c23ab220f145ba011de3459bb6e6b8155b2a898de8a0a0a2a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling prove v0.1.5
[INFO] [stderr]     Checking prove_derive v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.91s
[INFO] running `Command { std: "docker" "inspect" "c773e72dcdab0c23ab220f145ba011de3459bb6e6b8155b2a898de8a0a0a2a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c773e72dcdab0c23ab220f145ba011de3459bb6e6b8155b2a898de8a0a0a2a4f", kill_on_drop: false }`
[INFO] [stdout] c773e72dcdab0c23ab220f145ba011de3459bb6e6b8155b2a898de8a0a0a2a4f