[INFO] fetching crate fbs-build 0.1.0...
[INFO] checking fbs-build-0.1.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate fbs-build 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fbs-build 0.1.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fbs-build 0.1.0
[INFO] finished tweaking crates.io crate fbs-build 0.1.0
[INFO] tweaked toml for crates.io crate fbs-build 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate fbs-build 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7518225a1bfe46c1aa22c051d5187d3ca8aa42850bdc3ce6ce6326e23371bb06
[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" "7518225a1bfe46c1aa22c051d5187d3ca8aa42850bdc3ce6ce6326e23371bb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7518225a1bfe46c1aa22c051d5187d3ca8aa42850bdc3ce6ce6326e23371bb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7518225a1bfe46c1aa22c051d5187d3ca8aa42850bdc3ce6ce6326e23371bb06", kill_on_drop: false }`
[INFO] [stdout] 7518225a1bfe46c1aa22c051d5187d3ca8aa42850bdc3ce6ce6326e23371bb06
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] dce2657296c8c32f703fdab57052a98d109fe106d6ea25a82a6d3c089699a34f
[INFO] running `Command { std: "docker" "start" "-a" "dce2657296c8c32f703fdab57052a98d109fe106d6ea25a82a6d3c089699a34f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking hexf-parse v0.1.0
[INFO] [stderr]     Checking fbs v0.6.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling typed-builder v0.7.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking fbs-build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.05s
[INFO] running `Command { std: "docker" "inspect" "dce2657296c8c32f703fdab57052a98d109fe106d6ea25a82a6d3c089699a34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce2657296c8c32f703fdab57052a98d109fe106d6ea25a82a6d3c089699a34f", kill_on_drop: false }`
[INFO] [stdout] dce2657296c8c32f703fdab57052a98d109fe106d6ea25a82a6d3c089699a34f