[INFO] fetching crate ffp 1.3.0...
[INFO] checking ffp-1.3.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate ffp 1.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ffp 1.3.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffp 1.3.0
[INFO] finished tweaking crates.io crate ffp 1.3.0
[INFO] tweaked toml for crates.io crate ffp 1.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ffp 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] c5e873ab5e1c7fb1660c1969595e137c8bf5daac7da06668585735e1a28c0742
[INFO] running `Command { std: "docker" "start" "-a" "c5e873ab5e1c7fb1660c1969595e137c8bf5daac7da06668585735e1a28c0742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5e873ab5e1c7fb1660c1969595e137c8bf5daac7da06668585735e1a28c0742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e873ab5e1c7fb1660c1969595e137c8bf5daac7da06668585735e1a28c0742", kill_on_drop: false }`
[INFO] [stdout] c5e873ab5e1c7fb1660c1969595e137c8bf5daac7da06668585735e1a28c0742
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 614bfb6761350d89fc6ef05e4959f98272f30ab4fba08f912f2dbf554d808614
[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" "614bfb6761350d89fc6ef05e4959f98272f30ab4fba08f912f2dbf554d808614", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling libusb1-sys v0.3.6
[INFO] [stderr]     Checking rusb v0.5.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking ffp v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.54s
[INFO] running `Command { std: "docker" "inspect" "614bfb6761350d89fc6ef05e4959f98272f30ab4fba08f912f2dbf554d808614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614bfb6761350d89fc6ef05e4959f98272f30ab4fba08f912f2dbf554d808614", kill_on_drop: false }`
[INFO] [stdout] 614bfb6761350d89fc6ef05e4959f98272f30ab4fba08f912f2dbf554d808614