[INFO] fetching crate ffcnt 0.3.2...
[INFO] checking ffcnt-0.3.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ffcnt 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ffcnt 0.3.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffcnt 0.3.2
[INFO] finished tweaking crates.io crate ffcnt 0.3.2
[INFO] tweaked toml for crates.io crate ffcnt 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ffcnt 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49d3e4c39f2201a7bb4aaa227eb53af28692fcfa7f5e706a40208b21cba8100d
[INFO] running `Command { std: "docker" "start" "-a" "49d3e4c39f2201a7bb4aaa227eb53af28692fcfa7f5e706a40208b21cba8100d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49d3e4c39f2201a7bb4aaa227eb53af28692fcfa7f5e706a40208b21cba8100d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d3e4c39f2201a7bb4aaa227eb53af28692fcfa7f5e706a40208b21cba8100d", kill_on_drop: false }`
[INFO] [stdout] 49d3e4c39f2201a7bb4aaa227eb53af28692fcfa7f5e706a40208b21cba8100d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4609b874889e62b9b01b3e6a749854a954233c16b18bb3fbc0fda5beb5573008
[INFO] running `Command { std: "docker" "start" "-a" "4609b874889e62b9b01b3e6a749854a954233c16b18bb3fbc0fda5beb5573008", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mnt v0.3.1
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking btrfs2 v1.2.2
[INFO] [stderr]     Checking platter-walk v0.1.3
[INFO] [stderr]     Checking ffcnt v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "4609b874889e62b9b01b3e6a749854a954233c16b18bb3fbc0fda5beb5573008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4609b874889e62b9b01b3e6a749854a954233c16b18bb3fbc0fda5beb5573008", kill_on_drop: false }`
[INFO] [stdout] 4609b874889e62b9b01b3e6a749854a954233c16b18bb3fbc0fda5beb5573008