[INFO] fetching crate memflow-ffi 0.1.5...
[INFO] checking memflow-ffi-0.1.5 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate memflow-ffi 0.1.5 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate memflow-ffi 0.1.5 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memflow-ffi 0.1.5
[INFO] finished tweaking crates.io crate memflow-ffi 0.1.5
[INFO] tweaked toml for crates.io crate memflow-ffi 0.1.5 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d592215764704f2c238c22f67473c45c04a217d090c6b71b178475109c6c71f6
[INFO] running `Command { std: "docker" "start" "-a" "d592215764704f2c238c22f67473c45c04a217d090c6b71b178475109c6c71f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d592215764704f2c238c22f67473c45c04a217d090c6b71b178475109c6c71f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d592215764704f2c238c22f67473c45c04a217d090c6b71b178475109c6c71f6", kill_on_drop: false }`
[INFO] [stdout] d592215764704f2c238c22f67473c45c04a217d090c6b71b178475109c6c71f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68cdce1696ef884c1d256d8ba4fce33c13bd4312588590f6818d0fdce56ea876
[INFO] running `Command { std: "docker" "start" "-a" "68cdce1696ef884c1d256d8ba4fce33c13bd4312588590f6818d0fdce56ea876", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling x86_64 v0.12.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling derive_pod v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking coarsetime v0.1.19
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking vector-trees v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking dataview v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling memflow-derive v0.1.5
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking memflow v0.1.5
[INFO] [stderr]     Checking memflow-ffi v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.95s
[INFO] running `Command { std: "docker" "inspect" "68cdce1696ef884c1d256d8ba4fce33c13bd4312588590f6818d0fdce56ea876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cdce1696ef884c1d256d8ba4fce33c13bd4312588590f6818d0fdce56ea876", kill_on_drop: false }`
[INFO] [stdout] 68cdce1696ef884c1d256d8ba4fce33c13bd4312588590f6818d0fdce56ea876