[INFO] fetching crate fuzzcheck_mutators_derive 0.7.0... [INFO] building fuzzcheck_mutators_derive-0.7.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3 [INFO] extracting crate fuzzcheck_mutators_derive 0.7.0 into /workspace/builds/worker-87/source [INFO] validating manifest of crates.io crate fuzzcheck_mutators_derive 0.7.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fuzzcheck_mutators_derive 0.7.0 [INFO] finished tweaking crates.io crate fuzzcheck_mutators_derive 0.7.0 [INFO] tweaked toml for crates.io crate fuzzcheck_mutators_derive 0.7.0 written to /workspace/builds/worker-87/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f16b3186c128bb9fc51c40e3eab720ff4b3f2eb0802947231e98a80aaae2c038 [INFO] running `Command { std: "docker" "start" "-a" "f16b3186c128bb9fc51c40e3eab720ff4b3f2eb0802947231e98a80aaae2c038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f16b3186c128bb9fc51c40e3eab720ff4b3f2eb0802947231e98a80aaae2c038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f16b3186c128bb9fc51c40e3eab720ff4b3f2eb0802947231e98a80aaae2c038", kill_on_drop: false }` [INFO] [stdout] f16b3186c128bb9fc51c40e3eab720ff4b3f2eb0802947231e98a80aaae2c038 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cba57c64602c58dec6e0c3b6722a7b04a011f5af5769b2ba432bd1e31d670d64 [INFO] running `Command { std: "docker" "start" "-a" "cba57c64602c58dec6e0c3b6722a7b04a011f5af5769b2ba432bd1e31d670d64", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling decent-synquote-alternative v0.4.0 [INFO] [stderr] Compiling fuzzcheck_mutators_derive v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.98s [INFO] running `Command { std: "docker" "inspect" "cba57c64602c58dec6e0c3b6722a7b04a011f5af5769b2ba432bd1e31d670d64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cba57c64602c58dec6e0c3b6722a7b04a011f5af5769b2ba432bd1e31d670d64", kill_on_drop: false }` [INFO] [stdout] cba57c64602c58dec6e0c3b6722a7b04a011f5af5769b2ba432bd1e31d670d64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb916a5df31cd22b6f132cb01af104df4731819507b579a2cc549174d30ddb83 [INFO] running `Command { std: "docker" "start" "-a" "bb916a5df31cd22b6f132cb01af104df4731819507b579a2cc549174d30ddb83", kill_on_drop: false }` [INFO] [stderr] Compiling fuzzcheck_mutators_derive v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "bb916a5df31cd22b6f132cb01af104df4731819507b579a2cc549174d30ddb83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb916a5df31cd22b6f132cb01af104df4731819507b579a2cc549174d30ddb83", kill_on_drop: false }` [INFO] [stdout] bb916a5df31cd22b6f132cb01af104df4731819507b579a2cc549174d30ddb83