[INFO] fetching crate ffp 1.3.0...
[INFO] checking ffp-1.3.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate ffp 1.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ffp 1.3.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.9
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded tar v0.4.26
[INFO] [stderr]   Downloaded rusb v0.5.5
[INFO] [stderr]   Downloaded libusb1-sys v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 199cd080ba1015cc0591540cd7cf774ab80d8efafddd9b2df6bc77ee38800664
[INFO] running `Command { std: "docker" "start" "-a" "199cd080ba1015cc0591540cd7cf774ab80d8efafddd9b2df6bc77ee38800664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199cd080ba1015cc0591540cd7cf774ab80d8efafddd9b2df6bc77ee38800664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199cd080ba1015cc0591540cd7cf774ab80d8efafddd9b2df6bc77ee38800664", kill_on_drop: false }`
[INFO] [stdout] 199cd080ba1015cc0591540cd7cf774ab80d8efafddd9b2df6bc77ee38800664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 491e31410a13a46434e10deb3868f84ca6f840a3fe2b22bb5f400d29395f742e
[INFO] running `Command { std: "docker" "start" "-a" "491e31410a13a46434e10deb3868f84ca6f840a3fe2b22bb5f400d29395f742e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling filetime v0.2.9
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.3.46
[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 20.25s
[INFO] running `Command { std: "docker" "inspect" "491e31410a13a46434e10deb3868f84ca6f840a3fe2b22bb5f400d29395f742e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491e31410a13a46434e10deb3868f84ca6f840a3fe2b22bb5f400d29395f742e", kill_on_drop: false }`
[INFO] [stdout] 491e31410a13a46434e10deb3868f84ca6f840a3fe2b22bb5f400d29395f742e