[INFO] fetching crate derive_wrapper 0.1.6...
[INFO] checking derive_wrapper-0.1.6 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate derive_wrapper 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate derive_wrapper 0.1.6 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate derive_wrapper 0.1.6
[INFO] finished tweaking crates.io crate derive_wrapper 0.1.6
[INFO] tweaked toml for crates.io crate derive_wrapper 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate derive_wrapper 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] 33f38b530f39f24ff6ba69d507c5c94673d42beeb8ddc9775f4cee5a4e784b66
[INFO] running `Command { std: "docker" "start" "-a" "33f38b530f39f24ff6ba69d507c5c94673d42beeb8ddc9775f4cee5a4e784b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33f38b530f39f24ff6ba69d507c5c94673d42beeb8ddc9775f4cee5a4e784b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f38b530f39f24ff6ba69d507c5c94673d42beeb8ddc9775f4cee5a4e784b66", kill_on_drop: false }`
[INFO] [stdout] 33f38b530f39f24ff6ba69d507c5c94673d42beeb8ddc9775f4cee5a4e784b66
[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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2d920944ce5731a3fca21c3ba6bd2b24faa074ea1b2a60992988d671ca41da
[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" "bf2d920944ce5731a3fca21c3ba6bd2b24faa074ea1b2a60992988d671ca41da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking derive_wrapper v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "bf2d920944ce5731a3fca21c3ba6bd2b24faa074ea1b2a60992988d671ca41da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2d920944ce5731a3fca21c3ba6bd2b24faa074ea1b2a60992988d671ca41da", kill_on_drop: false }`
[INFO] [stdout] bf2d920944ce5731a3fca21c3ba6bd2b24faa074ea1b2a60992988d671ca41da