[INFO] fetching crate cexpr 0.5.0...
[INFO] checking cexpr-0.5.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate cexpr 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cexpr 0.5.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cexpr 0.5.0
[INFO] finished tweaking crates.io crate cexpr 0.5.0
[INFO] tweaked toml for crates.io crate cexpr 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 1b085fa98f3f9c7fba769445da8b1af796b4b41e113cde9bd1ef5e4913c6f5de
[INFO] running `Command { std: "docker" "start" "-a" "1b085fa98f3f9c7fba769445da8b1af796b4b41e113cde9bd1ef5e4913c6f5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b085fa98f3f9c7fba769445da8b1af796b4b41e113cde9bd1ef5e4913c6f5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b085fa98f3f9c7fba769445da8b1af796b4b41e113cde9bd1ef5e4913c6f5de", kill_on_drop: false }`
[INFO] [stdout] 1b085fa98f3f9c7fba769445da8b1af796b4b41e113cde9bd1ef5e4913c6f5de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 7cfbb6a5840364d72f16485d28102a6647bdb12f328684976396b5a56070b2d6
[INFO] running `Command { std: "docker" "start" "-a" "7cfbb6a5840364d72f16485d28102a6647bdb12f328684976396b5a56070b2d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking cexpr v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `Command { std: "docker" "inspect" "7cfbb6a5840364d72f16485d28102a6647bdb12f328684976396b5a56070b2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfbb6a5840364d72f16485d28102a6647bdb12f328684976396b5a56070b2d6", kill_on_drop: false }`
[INFO] [stdout] 7cfbb6a5840364d72f16485d28102a6647bdb12f328684976396b5a56070b2d6