[INFO] fetching crate com 0.4.0...
[INFO] checking com-0.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate com 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate com 0.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate com 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate com 0.4.0
[INFO] tweaked toml for crates.io crate com 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate com 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded com_macros v0.4.0
[INFO] [stderr]   Downloaded trybuild v1.0.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78c589c9029ea556eaeffdc1aa01122b2c4fcd3489a91a1c4890647feaa7dc22
[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" "78c589c9029ea556eaeffdc1aa01122b2c4fcd3489a91a1c4890647feaa7dc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c589c9029ea556eaeffdc1aa01122b2c4fcd3489a91a1c4890647feaa7dc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c589c9029ea556eaeffdc1aa01122b2c4fcd3489a91a1c4890647feaa7dc22", kill_on_drop: false }`
[INFO] [stdout] 78c589c9029ea556eaeffdc1aa01122b2c4fcd3489a91a1c4890647feaa7dc22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] dcea0c5560b9e5c4919c7bdfa21c6232cb9a26ab168409f5fa16cf33a7eac15b
[INFO] running `Command { std: "docker" "start" "-a" "dcea0c5560b9e5c4919c7bdfa21c6232cb9a26ab168409f5fa16cf33a7eac15b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling com_macros_support v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling com_macros v0.4.0
[INFO] [stderr]     Checking com v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.30
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.02s
[INFO] running `Command { std: "docker" "inspect" "dcea0c5560b9e5c4919c7bdfa21c6232cb9a26ab168409f5fa16cf33a7eac15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcea0c5560b9e5c4919c7bdfa21c6232cb9a26ab168409f5fa16cf33a7eac15b", kill_on_drop: false }`
[INFO] [stdout] dcea0c5560b9e5c4919c7bdfa21c6232cb9a26ab168409f5fa16cf33a7eac15b