[INFO] fetching crate nonvolatile 0.8.3...
[INFO] checking nonvolatile-0.8.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate nonvolatile 0.8.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nonvolatile 0.8.3 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nonvolatile 0.8.3
[INFO] finished tweaking crates.io crate nonvolatile 0.8.3
[INFO] tweaked toml for crates.io crate nonvolatile 0.8.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9f29c9999cc6ba8f304995475eb11e0b4fe826b3382f35a79bfd620a5bc53c9
[INFO] running `Command { std: "docker" "start" "-a" "e9f29c9999cc6ba8f304995475eb11e0b4fe826b3382f35a79bfd620a5bc53c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9f29c9999cc6ba8f304995475eb11e0b4fe826b3382f35a79bfd620a5bc53c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f29c9999cc6ba8f304995475eb11e0b4fe826b3382f35a79bfd620a5bc53c9", kill_on_drop: false }`
[INFO] [stdout] e9f29c9999cc6ba8f304995475eb11e0b4fe826b3382f35a79bfd620a5bc53c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87b3adc5d275b11b545fdf1f688e10a6fc9a40d672820fb3253ac7fa1ea8450
[INFO] running `Command { std: "docker" "start" "-a" "e87b3adc5d275b11b545fdf1f688e10a6fc9a40d672820fb3253ac7fa1ea8450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling sysinfo v0.14.15
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking generic_error v0.2.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking whoami v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking fs_util v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking nonvolatile v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "e87b3adc5d275b11b545fdf1f688e10a6fc9a40d672820fb3253ac7fa1ea8450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87b3adc5d275b11b545fdf1f688e10a6fc9a40d672820fb3253ac7fa1ea8450", kill_on_drop: false }`
[INFO] [stdout] e87b3adc5d275b11b545fdf1f688e10a6fc9a40d672820fb3253ac7fa1ea8450