[INFO] fetching crate as3956 0.0.0...
[INFO] building as3956-0.0.0 against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] extracting crate as3956 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate as3956 0.0.0 on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate as3956 0.0.0
[INFO] finished tweaking crates.io crate as3956 0.0.0
[INFO] tweaked toml for crates.io crate as3956 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6705ad94236769b6ab89e3af2c13af283f0b855cafe3bdc94cccbd6d507082e
[INFO] running `Command { std: "docker" "start" "-a" "e6705ad94236769b6ab89e3af2c13af283f0b855cafe3bdc94cccbd6d507082e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6705ad94236769b6ab89e3af2c13af283f0b855cafe3bdc94cccbd6d507082e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6705ad94236769b6ab89e3af2c13af283f0b855cafe3bdc94cccbd6d507082e", kill_on_drop: false }`
[INFO] [stdout] e6705ad94236769b6ab89e3af2c13af283f0b855cafe3bdc94cccbd6d507082e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87540cae469d06a07a95d022ca6b71cbc0cdaea94e87f8f65ef7ed1f5e6b29ad
[INFO] running `Command { std: "docker" "start" "-a" "87540cae469d06a07a95d022ca6b71cbc0cdaea94e87f8f65ef7ed1f5e6b29ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling as3956 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "87540cae469d06a07a95d022ca6b71cbc0cdaea94e87f8f65ef7ed1f5e6b29ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87540cae469d06a07a95d022ca6b71cbc0cdaea94e87f8f65ef7ed1f5e6b29ad", kill_on_drop: false }`
[INFO] [stdout] 87540cae469d06a07a95d022ca6b71cbc0cdaea94e87f8f65ef7ed1f5e6b29ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25603ffaab31c696b5a6418c3640f6cc1889823a62663941a46c56b4188649c3
[INFO] running `Command { std: "docker" "start" "-a" "25603ffaab31c696b5a6418c3640f6cc1889823a62663941a46c56b4188649c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling as3956 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "25603ffaab31c696b5a6418c3640f6cc1889823a62663941a46c56b4188649c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25603ffaab31c696b5a6418c3640f6cc1889823a62663941a46c56b4188649c3", kill_on_drop: false }`
[INFO] [stdout] 25603ffaab31c696b5a6418c3640f6cc1889823a62663941a46c56b4188649c3