[INFO] fetching crate variadiz 1.4.0...
[INFO] building variadiz-1.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate variadiz 1.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate variadiz 1.4.0
[INFO] finished tweaking crates.io crate variadiz 1.4.0
[INFO] tweaked toml for crates.io crate variadiz 1.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate variadiz 1.4.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuplez v0.14.16
[INFO] [stderr]   Downloaded nanoid v0.4.0
[INFO] [stderr]   Downloaded tuplez-macros v0.7.0
[INFO] [stderr]   Downloaded variadiz-macros v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fc72f0fe7d5010a6c0769721cb69a2da54a1007e36c8e879473c781c27ee572
[INFO] running `Command { std: "docker" "start" "-a" "1fc72f0fe7d5010a6c0769721cb69a2da54a1007e36c8e879473c781c27ee572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc72f0fe7d5010a6c0769721cb69a2da54a1007e36c8e879473c781c27ee572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc72f0fe7d5010a6c0769721cb69a2da54a1007e36c8e879473c781c27ee572", kill_on_drop: false }`
[INFO] [stdout] 1fc72f0fe7d5010a6c0769721cb69a2da54a1007e36c8e879473c781c27ee572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9cd958b5b7a7aaeab94a58dfbf444cf53d6743b51465e6f1a8f919f51e0f62b
[INFO] running `Command { std: "docker" "start" "-a" "c9cd958b5b7a7aaeab94a58dfbf444cf53d6743b51465e6f1a8f919f51e0f62b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling tuplez-macros v0.7.0
[INFO] [stderr]    Compiling tuplez v0.14.16
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling nanoid v0.4.0
[INFO] [stderr]    Compiling variadiz-macros v1.4.0
[INFO] [stderr]    Compiling variadiz v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "c9cd958b5b7a7aaeab94a58dfbf444cf53d6743b51465e6f1a8f919f51e0f62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cd958b5b7a7aaeab94a58dfbf444cf53d6743b51465e6f1a8f919f51e0f62b", kill_on_drop: false }`
[INFO] [stdout] c9cd958b5b7a7aaeab94a58dfbf444cf53d6743b51465e6f1a8f919f51e0f62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dccb8624b4b5a18dbe564fc113bfae77f37a84ed8618a227bb33e5ecc5d988f
[INFO] running `Command { std: "docker" "start" "-a" "9dccb8624b4b5a18dbe564fc113bfae77f37a84ed8618a227bb33e5ecc5d988f", kill_on_drop: false }`
[INFO] [stderr]    Compiling variadiz v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "9dccb8624b4b5a18dbe564fc113bfae77f37a84ed8618a227bb33e5ecc5d988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dccb8624b4b5a18dbe564fc113bfae77f37a84ed8618a227bb33e5ecc5d988f", kill_on_drop: false }`
[INFO] [stdout] 9dccb8624b4b5a18dbe564fc113bfae77f37a84ed8618a227bb33e5ecc5d988f