[INFO] fetching crate meyl 0.1.2...
[INFO] checking meyl-0.1.2 against beta for pr-78714
[INFO] extracting crate meyl 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate meyl 0.1.2 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 meyl 0.1.2
[INFO] finished tweaking crates.io crate meyl 0.1.2
[INFO] tweaked toml for crates.io crate meyl 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate meyl 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[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] 93cbb64d2bc00f170bd79adeb83d56be68f315c7323c7cb8a5dc1b7cbf74edae
[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" "93cbb64d2bc00f170bd79adeb83d56be68f315c7323c7cb8a5dc1b7cbf74edae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93cbb64d2bc00f170bd79adeb83d56be68f315c7323c7cb8a5dc1b7cbf74edae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cbb64d2bc00f170bd79adeb83d56be68f315c7323c7cb8a5dc1b7cbf74edae", kill_on_drop: false }`
[INFO] [stdout] 93cbb64d2bc00f170bd79adeb83d56be68f315c7323c7cb8a5dc1b7cbf74edae
[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] 168aee9081c5f0d7784d46d51c6a8dcb67a89ac6f4ab8a03c9fab450a4bd311b
[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" "168aee9081c5f0d7784d46d51c6a8dcb67a89ac6f4ab8a03c9fab450a4bd311b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking ignore v0.4.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling string_cache v0.5.2
[INFO] [stderr]    Compiling html5ever-atoms v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking tera v1.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking html5ever v0.23.0
[INFO] [stderr]     Checking html2text v0.1.11
[INFO] [stderr]     Checking kuchiki v0.7.3
[INFO] [stderr]     Checking inline_assets v0.4.1
[INFO] [stderr]     Checking meyl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "168aee9081c5f0d7784d46d51c6a8dcb67a89ac6f4ab8a03c9fab450a4bd311b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168aee9081c5f0d7784d46d51c6a8dcb67a89ac6f4ab8a03c9fab450a4bd311b", kill_on_drop: false }`
[INFO] [stdout] 168aee9081c5f0d7784d46d51c6a8dcb67a89ac6f4ab8a03c9fab450a4bd311b