[INFO] fetching crate mox 0.10.0...
[INFO] checking mox-0.10.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate mox 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mox 0.10.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mox 0.10.0
[INFO] finished tweaking crates.io crate mox 0.10.0
[INFO] tweaked toml for crates.io crate mox 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 261a16f17bf237b37423faf835ba374b97df352e4b054144a22d4a1bd43ae54a
[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" "261a16f17bf237b37423faf835ba374b97df352e4b054144a22d4a1bd43ae54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261a16f17bf237b37423faf835ba374b97df352e4b054144a22d4a1bd43ae54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261a16f17bf237b37423faf835ba374b97df352e4b054144a22d4a1bd43ae54a", kill_on_drop: false }`
[INFO] [stdout] 261a16f17bf237b37423faf835ba374b97df352e4b054144a22d4a1bd43ae54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b8311cbea484fabac46504faceeb9f5fde02c6219c15a0b89623cf9f4fb1e0
[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" "43b8311cbea484fabac46504faceeb9f5fde02c6219c15a0b89623cf9f4fb1e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling snax v0.3.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling illicit-macro v1.0.0
[INFO] [stderr]    Compiling topo-macro v0.10.0
[INFO] [stderr]    Compiling mox-impl v0.10.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking illicit v1.1.1
[INFO] [stderr]     Checking topo v0.11.0
[INFO] [stderr]     Checking mox v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.36s
[INFO] running `Command { std: "docker" "inspect" "43b8311cbea484fabac46504faceeb9f5fde02c6219c15a0b89623cf9f4fb1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b8311cbea484fabac46504faceeb9f5fde02c6219c15a0b89623cf9f4fb1e0", kill_on_drop: false }`
[INFO] [stdout] 43b8311cbea484fabac46504faceeb9f5fde02c6219c15a0b89623cf9f4fb1e0