[INFO] fetching crate pro_lang_macro 3.0.0-rc2...
[INFO] checking pro_lang_macro-3.0.0-rc2 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate pro_lang_macro 3.0.0-rc2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pro_lang_macro 3.0.0-rc2 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_lang_macro 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_lang_macro 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_lang_macro 3.0.0-rc2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 983eb40e83b0ea0dc132f61a97c2831388e0fd02ef3e31963d637a90a615fd5b
[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" "983eb40e83b0ea0dc132f61a97c2831388e0fd02ef3e31963d637a90a615fd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "983eb40e83b0ea0dc132f61a97c2831388e0fd02ef3e31963d637a90a615fd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983eb40e83b0ea0dc132f61a97c2831388e0fd02ef3e31963d637a90a615fd5b", kill_on_drop: false }`
[INFO] [stdout] 983eb40e83b0ea0dc132f61a97c2831388e0fd02ef3e31963d637a90a615fd5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] fbc0caa7f088f82f67e50b2a7c617712ef861127b2f327fc46d17341f023d743
[INFO] running `Command { std: "docker" "start" "-a" "fbc0caa7f088f82f67e50b2a7c617712ef861127b2f327fc46d17341f023d743", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking syn v1.0.72
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking pro_prelude v3.0.0-rc2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking pro_lang_ir v3.0.0-rc2
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling tetsy-scale-info-derive v0.3.0
[INFO] [stderr]     Checking pro_lang_codegen v3.0.0-rc2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tetsy-scale-codec-derive v2.0.1
[INFO] [stderr]     Checking tetsy-scale-codec v2.0.1
[INFO] [stderr]     Checking tetsy-scale-info v0.5.1
[INFO] [stderr]     Checking pro_primitives v3.0.0-rc2
[INFO] [stderr]     Checking pro_lang_macro v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.38s
[INFO] running `Command { std: "docker" "inspect" "fbc0caa7f088f82f67e50b2a7c617712ef861127b2f327fc46d17341f023d743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc0caa7f088f82f67e50b2a7c617712ef861127b2f327fc46d17341f023d743", kill_on_drop: false }`
[INFO] [stdout] fbc0caa7f088f82f67e50b2a7c617712ef861127b2f327fc46d17341f023d743