[INFO] fetching crate yogurt-yaml 0.2.0...
[INFO] checking yogurt-yaml-0.2.0 against beta for pr-78714
[INFO] extracting crate yogurt-yaml 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate yogurt-yaml 0.2.0 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 yogurt-yaml 0.2.0
[INFO] finished tweaking crates.io crate yogurt-yaml 0.2.0
[INFO] tweaked toml for crates.io crate yogurt-yaml 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate yogurt-yaml 0.2.0 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d1a50a492ab5f1b9993d36d4adae2057be557a3299f90dbb50c2c0aeed852c
[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" "14d1a50a492ab5f1b9993d36d4adae2057be557a3299f90dbb50c2c0aeed852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d1a50a492ab5f1b9993d36d4adae2057be557a3299f90dbb50c2c0aeed852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d1a50a492ab5f1b9993d36d4adae2057be557a3299f90dbb50c2c0aeed852c", kill_on_drop: false }`
[INFO] [stdout] 14d1a50a492ab5f1b9993d36d4adae2057be557a3299f90dbb50c2c0aeed852c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7802cf4bf5f0176382e0e78117da20f55d2a7cae9d78bdac167d69e6539b18
[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" "fe7802cf4bf5f0176382e0e78117da20f55d2a7cae9d78bdac167d69e6539b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking yogurt-yaml v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.64s
[INFO] running `Command { std: "docker" "inspect" "fe7802cf4bf5f0176382e0e78117da20f55d2a7cae9d78bdac167d69e6539b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7802cf4bf5f0176382e0e78117da20f55d2a7cae9d78bdac167d69e6539b18", kill_on_drop: false }`
[INFO] [stdout] fe7802cf4bf5f0176382e0e78117da20f55d2a7cae9d78bdac167d69e6539b18