[INFO] fetching crate fluminurs 1.1.7...
[INFO] checking fluminurs-1.1.7 against beta for pr-78714
[INFO] extracting crate fluminurs 1.1.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fluminurs 1.1.7 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 fluminurs 1.1.7
[INFO] finished tweaking crates.io crate fluminurs 1.1.7
[INFO] tweaked toml for crates.io crate fluminurs 1.1.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fluminurs 1.1.7 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3d4140af4ab616a298d769b15435f47c67f89dc7215f1ef35a63097386e856f8
[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" "3d4140af4ab616a298d769b15435f47c67f89dc7215f1ef35a63097386e856f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d4140af4ab616a298d769b15435f47c67f89dc7215f1ef35a63097386e856f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4140af4ab616a298d769b15435f47c67f89dc7215f1ef35a63097386e856f8", kill_on_drop: false }`
[INFO] [stdout] 3d4140af4ab616a298d769b15435f47c67f89dc7215f1ef35a63097386e856f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ac919e3a80cee4214ccb5572eb66c9a7212b61da343d979a98de2e5eb3f94a81
[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" "ac919e3a80cee4214ccb5572eb66c9a7212b61da343d979a98de2e5eb3f94a81", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking tokio v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking cookie v0.14.2
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking html5ever v0.25.1
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking fluminurs v1.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.00s
[INFO] running `Command { std: "docker" "inspect" "ac919e3a80cee4214ccb5572eb66c9a7212b61da343d979a98de2e5eb3f94a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac919e3a80cee4214ccb5572eb66c9a7212b61da343d979a98de2e5eb3f94a81", kill_on_drop: false }`
[INFO] [stdout] ac919e3a80cee4214ccb5572eb66c9a7212b61da343d979a98de2e5eb3f94a81