[INFO] fetching crate prototty_elements 0.7.0...
[INFO] checking prototty_elements-0.7.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate prototty_elements 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate prototty_elements 0.7.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prototty_elements 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prototty_elements 0.7.0
[INFO] tweaked toml for crates.io crate prototty_elements 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cc4dd48b9e9e62c7af812659ceb3f297464a0f24cdefc18226128edfe9af846
[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" "0cc4dd48b9e9e62c7af812659ceb3f297464a0f24cdefc18226128edfe9af846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc4dd48b9e9e62c7af812659ceb3f297464a0f24cdefc18226128edfe9af846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc4dd48b9e9e62c7af812659ceb3f297464a0f24cdefc18226128edfe9af846", kill_on_drop: false }`
[INFO] [stdout] 0cc4dd48b9e9e62c7af812659ceb3f297464a0f24cdefc18226128edfe9af846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa4ec512eb4b8716b30b57f5c5e37a9f35c871162c6145b0ffbc275b098f8f6b
[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" "aa4ec512eb4b8716b30b57f5c5e37a9f35c871162c6145b0ffbc275b098f8f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking ansi_colour v0.1.0
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]     Checking prototty v0.4.0
[INFO] [stderr]     Checking prototty_elements v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.08s
[INFO] running `Command { std: "docker" "inspect" "aa4ec512eb4b8716b30b57f5c5e37a9f35c871162c6145b0ffbc275b098f8f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4ec512eb4b8716b30b57f5c5e37a9f35c871162c6145b0ffbc275b098f8f6b", kill_on_drop: false }`
[INFO] [stdout] aa4ec512eb4b8716b30b57f5c5e37a9f35c871162c6145b0ffbc275b098f8f6b