[INFO] fetching crate multivers-runner 0.1.5...
[INFO] building multivers-runner-0.1.5 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate multivers-runner 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate multivers-runner 0.1.5
[INFO] finished tweaking crates.io crate multivers-runner 0.1.5
[INFO] tweaked toml for crates.io crate multivers-runner 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multivers-runner 0.1.5 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 multivers-runner 0.1.5 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5dd1eb24275206b7388d5f9e25823ad748f7960b471d7c3c4739677a2c2b39f5
[INFO] running `Command { std: "docker" "start" "-a" "5dd1eb24275206b7388d5f9e25823ad748f7960b471d7c3c4739677a2c2b39f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dd1eb24275206b7388d5f9e25823ad748f7960b471d7c3c4739677a2c2b39f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd1eb24275206b7388d5f9e25823ad748f7960b471d7c3c4739677a2c2b39f5", kill_on_drop: false }`
[INFO] [stdout] 5dd1eb24275206b7388d5f9e25823ad748f7960b471d7c3c4739677a2c2b39f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6d6883b7f18077d07393f1dfbe6500d0697ef647549bb0d536b814236484b75a
[INFO] running `Command { std: "docker" "start" "-a" "6d6883b7f18077d07393f1dfbe6500d0697ef647549bb0d536b814236484b75a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling proc-exit v2.0.2
[INFO] [stderr]    Compiling notstd_detect v0.6.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling cdivsufsort v2.0.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling sacabase v2.0.0
[INFO] [stderr]    Compiling suffix_array v0.5.0
[INFO] [stderr]    Compiling bzip2 v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling qbsdiff v1.4.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling multivers-runner v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: multivers-runner@0.1.5: The JSON file loaded from the environment variable MULTIVERS_BUILDS_DESCRIPTION_PATH must contain builds.
[INFO] [stderr] warning: multivers-runner@0.1.5: It will build, but it will fail at runtime.
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "6d6883b7f18077d07393f1dfbe6500d0697ef647549bb0d536b814236484b75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6883b7f18077d07393f1dfbe6500d0697ef647549bb0d536b814236484b75a", kill_on_drop: false }`
[INFO] [stdout] 6d6883b7f18077d07393f1dfbe6500d0697ef647549bb0d536b814236484b75a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8c47db6e655c171aa1914b306f13d3c69df76e2dd478d6ed13cced18f721ded7
[INFO] running `Command { std: "docker" "start" "-a" "8c47db6e655c171aa1914b306f13d3c69df76e2dd478d6ed13cced18f721ded7", kill_on_drop: false }`
[INFO] [stderr] warning: multivers-runner@0.1.5: The JSON file loaded from the environment variable MULTIVERS_BUILDS_DESCRIPTION_PATH must contain builds.
[INFO] [stderr] warning: multivers-runner@0.1.5: It will build, but it will fail at runtime.
[INFO] [stderr]    Compiling multivers-runner v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "8c47db6e655c171aa1914b306f13d3c69df76e2dd478d6ed13cced18f721ded7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c47db6e655c171aa1914b306f13d3c69df76e2dd478d6ed13cced18f721ded7", kill_on_drop: false }`
[INFO] [stdout] 8c47db6e655c171aa1914b306f13d3c69df76e2dd478d6ed13cced18f721ded7