[INFO] fetching crate optimize 0.1.0...
[INFO] checking optimize-0.1.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate optimize 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate optimize 0.1.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optimize 0.1.0
[INFO] finished tweaking crates.io crate optimize 0.1.0
[INFO] tweaked toml for crates.io crate optimize 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff695cee2fbd57ebc8a702c0bf0fd571b54c79116365c55e92f9ce2735ee0cff
[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" "ff695cee2fbd57ebc8a702c0bf0fd571b54c79116365c55e92f9ce2735ee0cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff695cee2fbd57ebc8a702c0bf0fd571b54c79116365c55e92f9ce2735ee0cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff695cee2fbd57ebc8a702c0bf0fd571b54c79116365c55e92f9ce2735ee0cff", kill_on_drop: false }`
[INFO] [stdout] ff695cee2fbd57ebc8a702c0bf0fd571b54c79116365c55e92f9ce2735ee0cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2fe42c85ac8ba7b1032cbd7ed1da18c6240892d952bb9e95c824a76f4ab5d37
[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" "e2fe42c85ac8ba7b1032cbd7ed1da18c6240892d952bb9e95c824a76f4ab5d37", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]     Checking optimize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "e2fe42c85ac8ba7b1032cbd7ed1da18c6240892d952bb9e95c824a76f4ab5d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fe42c85ac8ba7b1032cbd7ed1da18c6240892d952bb9e95c824a76f4ab5d37", kill_on_drop: false }`
[INFO] [stdout] e2fe42c85ac8ba7b1032cbd7ed1da18c6240892d952bb9e95c824a76f4ab5d37