[INFO] fetching crate rw-cell 3.0.0...
[INFO] checking rw-cell-3.0.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate rw-cell 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rw-cell 3.0.0 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 rw-cell 3.0.0
[INFO] finished tweaking crates.io crate rw-cell 3.0.0
[INFO] tweaked toml for crates.io crate rw-cell 3.0.0 written to /workspace/builds/worker-4-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] 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ec12f392bc067d676afbdd6df9886f8a178c8dc1e3c2b1e5ddf190e6622f8a99
[INFO] running `Command { std: "docker" "start" "-a" "ec12f392bc067d676afbdd6df9886f8a178c8dc1e3c2b1e5ddf190e6622f8a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec12f392bc067d676afbdd6df9886f8a178c8dc1e3c2b1e5ddf190e6622f8a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec12f392bc067d676afbdd6df9886f8a178c8dc1e3c2b1e5ddf190e6622f8a99", kill_on_drop: false }`
[INFO] [stdout] ec12f392bc067d676afbdd6df9886f8a178c8dc1e3c2b1e5ddf190e6622f8a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9820524692e320d5e8eae5c07d8f2cfbc5862c16b9a81f1015ba41b6df48c416
[INFO] running `Command { std: "docker" "start" "-a" "9820524692e320d5e8eae5c07d8f2cfbc5862c16b9a81f1015ba41b6df48c416", kill_on_drop: false }`
[INFO] [stderr]     Checking rw-cell v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9820524692e320d5e8eae5c07d8f2cfbc5862c16b9a81f1015ba41b6df48c416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9820524692e320d5e8eae5c07d8f2cfbc5862c16b9a81f1015ba41b6df48c416", kill_on_drop: false }`
[INFO] [stdout] 9820524692e320d5e8eae5c07d8f2cfbc5862c16b9a81f1015ba41b6df48c416
[INFO] checking rw-cell-3.0.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate rw-cell 3.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rw-cell 3.0.0 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 rw-cell 3.0.0
[INFO] finished tweaking crates.io crate rw-cell 3.0.0
[INFO] tweaked toml for crates.io crate rw-cell 3.0.0 written to /workspace/builds/worker-4-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] 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e60a7f75a934c0ee912cfa25cd90b1a490b06cfbcbfbac96a75c74c9f520f26
[INFO] running `Command { std: "docker" "start" "-a" "7e60a7f75a934c0ee912cfa25cd90b1a490b06cfbcbfbac96a75c74c9f520f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e60a7f75a934c0ee912cfa25cd90b1a490b06cfbcbfbac96a75c74c9f520f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e60a7f75a934c0ee912cfa25cd90b1a490b06cfbcbfbac96a75c74c9f520f26", kill_on_drop: false }`
[INFO] [stdout] 7e60a7f75a934c0ee912cfa25cd90b1a490b06cfbcbfbac96a75c74c9f520f26
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b4c77975aabd9530dc97b14f7bf812ed6e6de92ad22af3e52e7c5aa30f80a7
[INFO] running `Command { std: "docker" "start" "-a" "99b4c77975aabd9530dc97b14f7bf812ed6e6de92ad22af3e52e7c5aa30f80a7", kill_on_drop: false }`
[INFO] [stderr]     Checking rw-cell v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "99b4c77975aabd9530dc97b14f7bf812ed6e6de92ad22af3e52e7c5aa30f80a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b4c77975aabd9530dc97b14f7bf812ed6e6de92ad22af3e52e7c5aa30f80a7", kill_on_drop: false }`
[INFO] [stdout] 99b4c77975aabd9530dc97b14f7bf812ed6e6de92ad22af3e52e7c5aa30f80a7