[INFO] fetching crate rivia-vfs 0.2.6...
[INFO] building rivia-vfs-0.2.6 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rivia-vfs 0.2.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rivia-vfs 0.2.6
[INFO] finished tweaking crates.io crate rivia-vfs 0.2.6
[INFO] tweaked toml for crates.io crate rivia-vfs 0.2.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rivia-vfs 0.2.6 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rivia-vfs 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23c111e6bc118195ce2140aeb906b3317b7be5bb323ad60a0d5ed773ae59fb52
[INFO] running `Command { std: "docker" "start" "-a" "23c111e6bc118195ce2140aeb906b3317b7be5bb323ad60a0d5ed773ae59fb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23c111e6bc118195ce2140aeb906b3317b7be5bb323ad60a0d5ed773ae59fb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c111e6bc118195ce2140aeb906b3317b7be5bb323ad60a0d5ed773ae59fb52", kill_on_drop: false }`
[INFO] [stdout] 23c111e6bc118195ce2140aeb906b3317b7be5bb323ad60a0d5ed773ae59fb52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad28009e2debd0cc915b42997cbc8a264048450347b56e97bc80527b6001a0d8
[INFO] running `Command { std: "docker" "start" "-a" "ad28009e2debd0cc915b42997cbc8a264048450347b56e97bc80527b6001a0d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling rivia v0.2.10
[INFO] [stderr]    Compiling rivia-vfs v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.76s
[INFO] running `Command { std: "docker" "inspect" "ad28009e2debd0cc915b42997cbc8a264048450347b56e97bc80527b6001a0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad28009e2debd0cc915b42997cbc8a264048450347b56e97bc80527b6001a0d8", kill_on_drop: false }`
[INFO] [stdout] ad28009e2debd0cc915b42997cbc8a264048450347b56e97bc80527b6001a0d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60f8761d5a716ce3903da0d665ea3034bef2d25487ac1fbed4d95a87b901160a
[INFO] running `Command { std: "docker" "start" "-a" "60f8761d5a716ce3903da0d665ea3034bef2d25487ac1fbed4d95a87b901160a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rivia-vfs v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "60f8761d5a716ce3903da0d665ea3034bef2d25487ac1fbed4d95a87b901160a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f8761d5a716ce3903da0d665ea3034bef2d25487ac1fbed4d95a87b901160a", kill_on_drop: false }`
[INFO] [stdout] 60f8761d5a716ce3903da0d665ea3034bef2d25487ac1fbed4d95a87b901160a