[INFO] fetching crate libxml 0.2.15...
[INFO] checking libxml-0.2.15 against beta for pr-78714
[INFO] extracting crate libxml 0.2.15 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libxml 0.2.15 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 libxml 0.2.15
[INFO] finished tweaking crates.io crate libxml 0.2.15
[INFO] tweaked toml for crates.io crate libxml 0.2.15 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate libxml 0.2.15 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 603f18ac7794249c5ef3ea9376b3ec100d7350cd947e67edcdadb31681c40107
[INFO] running `Command { std: "docker" "start" "-a" "603f18ac7794249c5ef3ea9376b3ec100d7350cd947e67edcdadb31681c40107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "603f18ac7794249c5ef3ea9376b3ec100d7350cd947e67edcdadb31681c40107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603f18ac7794249c5ef3ea9376b3ec100d7350cd947e67edcdadb31681c40107", kill_on_drop: false }`
[INFO] [stdout] 603f18ac7794249c5ef3ea9376b3ec100d7350cd947e67edcdadb31681c40107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 5f4ec3f90302f7b89be7baf421afe30be3293289558905dd11dc82e36e38b9b3
[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" "5f4ec3f90302f7b89be7baf421afe30be3293289558905dd11dc82e36e38b9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling libxml v0.2.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.45s
[INFO] running `Command { std: "docker" "inspect" "5f4ec3f90302f7b89be7baf421afe30be3293289558905dd11dc82e36e38b9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4ec3f90302f7b89be7baf421afe30be3293289558905dd11dc82e36e38b9b3", kill_on_drop: false }`
[INFO] [stdout] 5f4ec3f90302f7b89be7baf421afe30be3293289558905dd11dc82e36e38b9b3