[INFO] fetching crate cream-core 0.2.2...
[INFO] checking cream-core-0.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cream-core 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate cream-core 0.2.2
[INFO] finished tweaking crates.io crate cream-core 0.2.2
[INFO] tweaked toml for crates.io crate cream-core 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cream-core 0.2.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cream-core 0.2.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add06fcfa23b794406ba6decaa7deab3e417be096e25596996ea5d7cebc5e1a7
[INFO] running `Command { std: "docker" "start" "-a" "add06fcfa23b794406ba6decaa7deab3e417be096e25596996ea5d7cebc5e1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add06fcfa23b794406ba6decaa7deab3e417be096e25596996ea5d7cebc5e1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add06fcfa23b794406ba6decaa7deab3e417be096e25596996ea5d7cebc5e1a7", kill_on_drop: false }`
[INFO] [stdout] add06fcfa23b794406ba6decaa7deab3e417be096e25596996ea5d7cebc5e1a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 519e1f2a972ce0d92fe9e5c3f291f419c85345645458538658179e4b78333bf4
[INFO] running `Command { std: "docker" "start" "-a" "519e1f2a972ce0d92fe9e5c3f291f419c85345645458538658179e4b78333bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking serde_plain v1.0.2
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking cream-core v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `Command { std: "docker" "inspect" "519e1f2a972ce0d92fe9e5c3f291f419c85345645458538658179e4b78333bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519e1f2a972ce0d92fe9e5c3f291f419c85345645458538658179e4b78333bf4", kill_on_drop: false }`
[INFO] [stdout] 519e1f2a972ce0d92fe9e5c3f291f419c85345645458538658179e4b78333bf4