[INFO] fetching crate argmin_codegen 0.1.8...
[INFO] checking argmin_codegen-0.1.8 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate argmin_codegen 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate argmin_codegen 0.1.8 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmin_codegen 0.1.8
[INFO] finished tweaking crates.io crate argmin_codegen 0.1.8
[INFO] tweaked toml for crates.io crate argmin_codegen 0.1.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] c39d193ade46b2395f3e363bcfd23b109ea89fdc15b1e4c51f5cbe4a95b1b23d
[INFO] running `Command { std: "docker" "start" "-a" "c39d193ade46b2395f3e363bcfd23b109ea89fdc15b1e4c51f5cbe4a95b1b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c39d193ade46b2395f3e363bcfd23b109ea89fdc15b1e4c51f5cbe4a95b1b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39d193ade46b2395f3e363bcfd23b109ea89fdc15b1e4c51f5cbe4a95b1b23d", kill_on_drop: false }`
[INFO] [stdout] c39d193ade46b2395f3e363bcfd23b109ea89fdc15b1e4c51f5cbe4a95b1b23d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] eb053bc9793c7206e2c89f4d56ff503d72dcd6f33b45d4cdf66cea3020d5e5f5
[INFO] running `Command { std: "docker" "start" "-a" "eb053bc9793c7206e2c89f4d56ff503d72dcd6f33b45d4cdf66cea3020d5e5f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking argmin_codegen v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "eb053bc9793c7206e2c89f4d56ff503d72dcd6f33b45d4cdf66cea3020d5e5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb053bc9793c7206e2c89f4d56ff503d72dcd6f33b45d4cdf66cea3020d5e5f5", kill_on_drop: false }`
[INFO] [stdout] eb053bc9793c7206e2c89f4d56ff503d72dcd6f33b45d4cdf66cea3020d5e5f5