[INFO] fetching crate bufrng 1.0.2...
[INFO] checking bufrng-1.0.2 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate bufrng 1.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bufrng 1.0.2 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bufrng 1.0.2
[INFO] finished tweaking crates.io crate bufrng 1.0.2
[INFO] tweaked toml for crates.io crate bufrng 1.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 791c1eddf8811f5526df01d07bab6e8c568ced8a97cb38adc5460931dbaba4ff
[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" "791c1eddf8811f5526df01d07bab6e8c568ced8a97cb38adc5460931dbaba4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "791c1eddf8811f5526df01d07bab6e8c568ced8a97cb38adc5460931dbaba4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791c1eddf8811f5526df01d07bab6e8c568ced8a97cb38adc5460931dbaba4ff", kill_on_drop: false }`
[INFO] [stdout] 791c1eddf8811f5526df01d07bab6e8c568ced8a97cb38adc5460931dbaba4ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 616ea35ce358c396796112a4f2db952c7071d4191a8787affb3790c6adafaae6
[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" "616ea35ce358c396796112a4f2db952c7071d4191a8787affb3790c6adafaae6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking bufrng v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
[INFO] running `Command { std: "docker" "inspect" "616ea35ce358c396796112a4f2db952c7071d4191a8787affb3790c6adafaae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616ea35ce358c396796112a4f2db952c7071d4191a8787affb3790c6adafaae6", kill_on_drop: false }`
[INFO] [stdout] 616ea35ce358c396796112a4f2db952c7071d4191a8787affb3790c6adafaae6