[INFO] fetching crate fuzzy-matcher 0.3.7...
[INFO] checking fuzzy-matcher-0.3.7 against beta for pr-78714
[INFO] extracting crate fuzzy-matcher 0.3.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fuzzy-matcher 0.3.7 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 fuzzy-matcher 0.3.7
[INFO] finished tweaking crates.io crate fuzzy-matcher 0.3.7
[INFO] tweaked toml for crates.io crate fuzzy-matcher 0.3.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fuzzy-matcher 0.3.7 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3d2549d3a2bc7b4e3a6ab626d99e70cbf7d1a37f356704b2753f75733eac6296
[INFO] running `Command { std: "docker" "start" "-a" "3d2549d3a2bc7b4e3a6ab626d99e70cbf7d1a37f356704b2753f75733eac6296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2549d3a2bc7b4e3a6ab626d99e70cbf7d1a37f356704b2753f75733eac6296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2549d3a2bc7b4e3a6ab626d99e70cbf7d1a37f356704b2753f75733eac6296", kill_on_drop: false }`
[INFO] [stdout] 3d2549d3a2bc7b4e3a6ab626d99e70cbf7d1a37f356704b2753f75733eac6296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 44851cd2ed7f604b7166fe58f0130c1dc26eec8abbffa6b2bf56c9b94b63175d
[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" "44851cd2ed7f604b7166fe58f0130c1dc26eec8abbffa6b2bf56c9b94b63175d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "44851cd2ed7f604b7166fe58f0130c1dc26eec8abbffa6b2bf56c9b94b63175d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44851cd2ed7f604b7166fe58f0130c1dc26eec8abbffa6b2bf56c9b94b63175d", kill_on_drop: false }`
[INFO] [stdout] 44851cd2ed7f604b7166fe58f0130c1dc26eec8abbffa6b2bf56c9b94b63175d