[INFO] fetching crate alt_serde 1.0.104...
[INFO] checking alt_serde-1.0.104 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate alt_serde 1.0.104 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate alt_serde 1.0.104 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt_serde 1.0.104
[INFO] finished tweaking crates.io crate alt_serde 1.0.104
[INFO] tweaked toml for crates.io crate alt_serde 1.0.104 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] f2ea7e465068cc2377be7554d5b09b5c4fb7d2d446d8729adc71ad2fecd44e5d
[INFO] running `Command { std: "docker" "start" "-a" "f2ea7e465068cc2377be7554d5b09b5c4fb7d2d446d8729adc71ad2fecd44e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2ea7e465068cc2377be7554d5b09b5c4fb7d2d446d8729adc71ad2fecd44e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ea7e465068cc2377be7554d5b09b5c4fb7d2d446d8729adc71ad2fecd44e5d", kill_on_drop: false }`
[INFO] [stdout] f2ea7e465068cc2377be7554d5b09b5c4fb7d2d446d8729adc71ad2fecd44e5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccc189625c6ffdda8522d162359f4003a47275dc0b8b5556b877d31c0ad57218
[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" "ccc189625c6ffdda8522d162359f4003a47275dc0b8b5556b877d31c0ad57218", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling alt_serde v1.0.104 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling alt_serde_derive v1.0.104
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.14s
[INFO] running `Command { std: "docker" "inspect" "ccc189625c6ffdda8522d162359f4003a47275dc0b8b5556b877d31c0ad57218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc189625c6ffdda8522d162359f4003a47275dc0b8b5556b877d31c0ad57218", kill_on_drop: false }`
[INFO] [stdout] ccc189625c6ffdda8522d162359f4003a47275dc0b8b5556b877d31c0ad57218