[INFO] fetching crate serde_qs 0.7.0...
[INFO] checking serde_qs-0.7.0 against beta for pr-78714
[INFO] extracting crate serde_qs 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate serde_qs 0.7.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_qs 0.7.0
[INFO] finished tweaking crates.io crate serde_qs 0.7.0
[INFO] tweaked toml for crates.io crate serde_qs 0.7.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate serde_qs 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 865df7bf35361fb818caad0c434afe372d3a3cfe9db3a542d5aa8a3891007356
[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" "865df7bf35361fb818caad0c434afe372d3a3cfe9db3a542d5aa8a3891007356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "865df7bf35361fb818caad0c434afe372d3a3cfe9db3a542d5aa8a3891007356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865df7bf35361fb818caad0c434afe372d3a3cfe9db3a542d5aa8a3891007356", kill_on_drop: false }`
[INFO] [stdout] 865df7bf35361fb818caad0c434afe372d3a3cfe9db3a542d5aa8a3891007356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bddaf8bb47a277d8e7986b16e502aa9d49a5a52675e88c0f7c5ff1a8c95cd639
[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" "bddaf8bb47a277d8e7986b16e502aa9d49a5a52675e88c0f7c5ff1a8c95cd639", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde_qs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.73s
[INFO] running `Command { std: "docker" "inspect" "bddaf8bb47a277d8e7986b16e502aa9d49a5a52675e88c0f7c5ff1a8c95cd639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddaf8bb47a277d8e7986b16e502aa9d49a5a52675e88c0f7c5ff1a8c95cd639", kill_on_drop: false }`
[INFO] [stdout] bddaf8bb47a277d8e7986b16e502aa9d49a5a52675e88c0f7c5ff1a8c95cd639