[INFO] fetching crate t4rust-derive 0.2.0...
[INFO] checking t4rust-derive-0.2.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate t4rust-derive 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate t4rust-derive 0.2.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate t4rust-derive 0.2.0
[INFO] finished tweaking crates.io crate t4rust-derive 0.2.0
[INFO] tweaked toml for crates.io crate t4rust-derive 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate t4rust-derive 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b73ca331c93dbc59e8d1d75a294446a2883ef03d0d87324360f5e7a0d32beea9
[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" "b73ca331c93dbc59e8d1d75a294446a2883ef03d0d87324360f5e7a0d32beea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b73ca331c93dbc59e8d1d75a294446a2883ef03d0d87324360f5e7a0d32beea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73ca331c93dbc59e8d1d75a294446a2883ef03d0d87324360f5e7a0d32beea9", kill_on_drop: false }`
[INFO] [stdout] b73ca331c93dbc59e8d1d75a294446a2883ef03d0d87324360f5e7a0d32beea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a951dba8ee12eba0a26d4c9239d1d9376e89767178a596807177ee1b41bc05bd
[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" "a951dba8ee12eba0a26d4c9239d1d9376e89767178a596807177ee1b41bc05bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking t4rust-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "a951dba8ee12eba0a26d4c9239d1d9376e89767178a596807177ee1b41bc05bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a951dba8ee12eba0a26d4c9239d1d9376e89767178a596807177ee1b41bc05bd", kill_on_drop: false }`
[INFO] [stdout] a951dba8ee12eba0a26d4c9239d1d9376e89767178a596807177ee1b41bc05bd