[INFO] fetching crate docked 0.0.24...
[INFO] checking docked-0.0.24 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate docked 0.0.24 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate docked 0.0.24 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docked 0.0.24
[INFO] finished tweaking crates.io crate docked 0.0.24
[INFO] tweaked toml for crates.io crate docked 0.0.24 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate docked 0.0.24 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4c4aa48f61c8586f5a619087d9bafdc62e3fe8a647f346551bdc6d567444875
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4c4aa48f61c8586f5a619087d9bafdc62e3fe8a647f346551bdc6d567444875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c4aa48f61c8586f5a619087d9bafdc62e3fe8a647f346551bdc6d567444875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c4aa48f61c8586f5a619087d9bafdc62e3fe8a647f346551bdc6d567444875", kill_on_drop: false }`
[INFO] [stdout] b4c4aa48f61c8586f5a619087d9bafdc62e3fe8a647f346551bdc6d567444875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 753ceeb7988d11f59e6be4637fd5cf4de6e0aee846f39365ff3a6e8315ad048f
[INFO] running `Command { std: "docker" "start" "-a" "753ceeb7988d11f59e6be4637fd5cf4de6e0aee846f39365ff3a6e8315ad048f", kill_on_drop: false }`
[INFO] [stderr]     Checking docked v0.0.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "753ceeb7988d11f59e6be4637fd5cf4de6e0aee846f39365ff3a6e8315ad048f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753ceeb7988d11f59e6be4637fd5cf4de6e0aee846f39365ff3a6e8315ad048f", kill_on_drop: false }`
[INFO] [stdout] 753ceeb7988d11f59e6be4637fd5cf4de6e0aee846f39365ff3a6e8315ad048f