[INFO] fetching crate inheritance 0.0.1-alpha.2...
[INFO] checking inheritance-0.0.1-alpha.2 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate inheritance 0.0.1-alpha.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate inheritance 0.0.1-alpha.2 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inheritance 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate inheritance 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate inheritance 0.0.1-alpha.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate inheritance 0.0.1-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inheritance-proc-macro v0.0.1-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68cfaad55e03bd6659cff73f39416f7f3a8bff2b6a1cba36f1e1cb5112fa8ba0
[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" "68cfaad55e03bd6659cff73f39416f7f3a8bff2b6a1cba36f1e1cb5112fa8ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68cfaad55e03bd6659cff73f39416f7f3a8bff2b6a1cba36f1e1cb5112fa8ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cfaad55e03bd6659cff73f39416f7f3a8bff2b6a1cba36f1e1cb5112fa8ba0", kill_on_drop: false }`
[INFO] [stdout] 68cfaad55e03bd6659cff73f39416f7f3a8bff2b6a1cba36f1e1cb5112fa8ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af806a6fcb938d9a18433a78523d258f28768c42a02a517e54b4acd86e8c9ea5
[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" "af806a6fcb938d9a18433a78523d258f28768c42a02a517e54b4acd86e8c9ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling fstrings-proc-macro v0.1.4
[INFO] [stderr]    Compiling fstrings v0.1.4
[INFO] [stderr]    Compiling inheritance-proc-macro v0.0.1-alpha.2
[INFO] [stderr]     Checking inheritance v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.25s
[INFO] running `Command { std: "docker" "inspect" "af806a6fcb938d9a18433a78523d258f28768c42a02a517e54b4acd86e8c9ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af806a6fcb938d9a18433a78523d258f28768c42a02a517e54b4acd86e8c9ea5", kill_on_drop: false }`
[INFO] [stdout] af806a6fcb938d9a18433a78523d258f28768c42a02a517e54b4acd86e8c9ea5