[INFO] fetching crate bytemuck 1.21.0...
[INFO] building bytemuck-1.21.0 against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044
[INFO] extracting crate bytemuck 1.21.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bytemuck 1.21.0 on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate bytemuck 1.21.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bytemuck 1.21.0
[INFO] tweaked toml for crates.io crate bytemuck 1.21.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 128d7716715eb1886d8b050f3f847f4c66a68c407617aac0d751c973a830f2e7
[INFO] running `Command { std: "docker" "start" "-a" "128d7716715eb1886d8b050f3f847f4c66a68c407617aac0d751c973a830f2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "128d7716715eb1886d8b050f3f847f4c66a68c407617aac0d751c973a830f2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128d7716715eb1886d8b050f3f847f4c66a68c407617aac0d751c973a830f2e7", kill_on_drop: false }`
[INFO] [stdout] 128d7716715eb1886d8b050f3f847f4c66a68c407617aac0d751c973a830f2e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90226dab8ab811b7ab926d80bb31e26b9b1ed19c8485b5c5c5d50669e84f35d6
[INFO] running `Command { std: "docker" "start" "-a" "90226dab8ab811b7ab926d80bb31e26b9b1ed19c8485b5c5c5d50669e84f35d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "90226dab8ab811b7ab926d80bb31e26b9b1ed19c8485b5c5c5d50669e84f35d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90226dab8ab811b7ab926d80bb31e26b9b1ed19c8485b5c5c5d50669e84f35d6", kill_on_drop: false }`
[INFO] [stdout] 90226dab8ab811b7ab926d80bb31e26b9b1ed19c8485b5c5c5d50669e84f35d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d201877e02c2d6b57715018034031e11263fe5ade44d68f9705a2d8244f11a8
[INFO] running `Command { std: "docker" "start" "-a" "4d201877e02c2d6b57715018034031e11263fe5ade44d68f9705a2d8244f11a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "4d201877e02c2d6b57715018034031e11263fe5ade44d68f9705a2d8244f11a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d201877e02c2d6b57715018034031e11263fe5ade44d68f9705a2d8244f11a8", kill_on_drop: false }`
[INFO] [stdout] 4d201877e02c2d6b57715018034031e11263fe5ade44d68f9705a2d8244f11a8