[INFO] fetching crate viewbuilder 0.10.0-alpha.5...
[INFO] checking viewbuilder-0.10.0-alpha.5 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate viewbuilder 0.10.0-alpha.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate viewbuilder 0.10.0-alpha.5 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate viewbuilder 0.10.0-alpha.5
[INFO] finished tweaking crates.io crate viewbuilder 0.10.0-alpha.5
[INFO] tweaked toml for crates.io crate viewbuilder 0.10.0-alpha.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-hash v1.1.0 (latest: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6f30b6ecdd0845f2a57181896e5a8faac1865d19a7e684b24c63c662c9af03
[INFO] running `Command { std: "docker" "start" "-a" "ac6f30b6ecdd0845f2a57181896e5a8faac1865d19a7e684b24c63c662c9af03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6f30b6ecdd0845f2a57181896e5a8faac1865d19a7e684b24c63c662c9af03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6f30b6ecdd0845f2a57181896e5a8faac1865d19a7e684b24c63c662c9af03", kill_on_drop: false }`
[INFO] [stdout] ac6f30b6ecdd0845f2a57181896e5a8faac1865d19a7e684b24c63c662c9af03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65bc25eea97cabc8ccb9e99bd409b5a11464580b7fcd2c09974dcf85758fcc6e
[INFO] running `Command { std: "docker" "start" "-a" "65bc25eea97cabc8ccb9e99bd409b5a11464580b7fcd2c09974dcf85758fcc6e", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking viewbuilder v0.10.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "65bc25eea97cabc8ccb9e99bd409b5a11464580b7fcd2c09974dcf85758fcc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65bc25eea97cabc8ccb9e99bd409b5a11464580b7fcd2c09974dcf85758fcc6e", kill_on_drop: false }`
[INFO] [stdout] 65bc25eea97cabc8ccb9e99bd409b5a11464580b7fcd2c09974dcf85758fcc6e
[INFO] checking viewbuilder-0.10.0-alpha.5 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate viewbuilder 0.10.0-alpha.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate viewbuilder 0.10.0-alpha.5 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate viewbuilder 0.10.0-alpha.5
[INFO] finished tweaking crates.io crate viewbuilder 0.10.0-alpha.5
[INFO] tweaked toml for crates.io crate viewbuilder 0.10.0-alpha.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-hash v1.1.0 (latest: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 706efa3e5280284e83b8ce14cd6aa31977226eb0bc9047927a92a892cf6709b4
[INFO] running `Command { std: "docker" "start" "-a" "706efa3e5280284e83b8ce14cd6aa31977226eb0bc9047927a92a892cf6709b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706efa3e5280284e83b8ce14cd6aa31977226eb0bc9047927a92a892cf6709b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706efa3e5280284e83b8ce14cd6aa31977226eb0bc9047927a92a892cf6709b4", kill_on_drop: false }`
[INFO] [stdout] 706efa3e5280284e83b8ce14cd6aa31977226eb0bc9047927a92a892cf6709b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbe36a65a919fe125d3cdc2fa7a2e5a2fc1e98d2e72b48e85705d5238527ce92
[INFO] running `Command { std: "docker" "start" "-a" "dbe36a65a919fe125d3cdc2fa7a2e5a2fc1e98d2e72b48e85705d5238527ce92", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking viewbuilder v0.10.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "dbe36a65a919fe125d3cdc2fa7a2e5a2fc1e98d2e72b48e85705d5238527ce92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe36a65a919fe125d3cdc2fa7a2e5a2fc1e98d2e72b48e85705d5238527ce92", kill_on_drop: false }`
[INFO] [stdout] dbe36a65a919fe125d3cdc2fa7a2e5a2fc1e98d2e72b48e85705d5238527ce92