[INFO] fetching crate dm 0.0.0...
[INFO] checking dm-0.0.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate dm 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dm 0.0.0 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 dm 0.0.0
[INFO] finished tweaking crates.io crate dm 0.0.0
[INFO] tweaked toml for crates.io crate dm 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate dm 0.0.0 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59d72afc69547555d0b5a799c1bfbf15c4c1e696d34b97c0b7662e094dd3a511
[INFO] running `Command { std: "docker" "start" "-a" "59d72afc69547555d0b5a799c1bfbf15c4c1e696d34b97c0b7662e094dd3a511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59d72afc69547555d0b5a799c1bfbf15c4c1e696d34b97c0b7662e094dd3a511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d72afc69547555d0b5a799c1bfbf15c4c1e696d34b97c0b7662e094dd3a511", kill_on_drop: false }`
[INFO] [stdout] 59d72afc69547555d0b5a799c1bfbf15c4c1e696d34b97c0b7662e094dd3a511
[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] [stdout] fdadc9c8ad49a4aa3b881a9a15a8f15e868309f94780d75373acea70a61ab758
[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" "fdadc9c8ad49a4aa3b881a9a15a8f15e868309f94780d75373acea70a61ab758", kill_on_drop: false }`
[INFO] [stderr]     Checking dm v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "fdadc9c8ad49a4aa3b881a9a15a8f15e868309f94780d75373acea70a61ab758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdadc9c8ad49a4aa3b881a9a15a8f15e868309f94780d75373acea70a61ab758", kill_on_drop: false }`
[INFO] [stdout] fdadc9c8ad49a4aa3b881a9a15a8f15e868309f94780d75373acea70a61ab758