[INFO] fetching crate ffimage 0.8.1...
[INFO] checking ffimage-0.8.1 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate ffimage 0.8.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ffimage 0.8.1 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffimage 0.8.1
[INFO] finished tweaking crates.io crate ffimage 0.8.1
[INFO] tweaked toml for crates.io crate ffimage 0.8.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ffimage 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be05ad84416a9fe581e5ee21a7b985ad71a094b7e9f91eee0c2e60cb273edb69
[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" "be05ad84416a9fe581e5ee21a7b985ad71a094b7e9f91eee0c2e60cb273edb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be05ad84416a9fe581e5ee21a7b985ad71a094b7e9f91eee0c2e60cb273edb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be05ad84416a9fe581e5ee21a7b985ad71a094b7e9f91eee0c2e60cb273edb69", kill_on_drop: false }`
[INFO] [stdout] be05ad84416a9fe581e5ee21a7b985ad71a094b7e9f91eee0c2e60cb273edb69
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2c9f5b71899f2d2662b3be6a8b6d039b43ef087bbdb7a38aea6c90e10ac06b2c
[INFO] running `Command { std: "docker" "start" "-a" "2c9f5b71899f2d2662b3be6a8b6d039b43ef087bbdb7a38aea6c90e10ac06b2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking ffimage v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.60s
[INFO] running `Command { std: "docker" "inspect" "2c9f5b71899f2d2662b3be6a8b6d039b43ef087bbdb7a38aea6c90e10ac06b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9f5b71899f2d2662b3be6a8b6d039b43ef087bbdb7a38aea6c90e10ac06b2c", kill_on_drop: false }`
[INFO] [stdout] 2c9f5b71899f2d2662b3be6a8b6d039b43ef087bbdb7a38aea6c90e10ac06b2c