[INFO] fetching crate lightbeam 0.21.0...
[INFO] checking lightbeam-0.21.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate lightbeam 0.21.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lightbeam 0.21.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightbeam 0.21.0
[INFO] finished tweaking crates.io crate lightbeam 0.21.0
[INFO] tweaked toml for crates.io crate lightbeam 0.21.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lightbeam 0.21.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 800271942a87cbb3573a69c4ca9feeede56d72177050b1882b46ad771b4310c8
[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" "800271942a87cbb3573a69c4ca9feeede56d72177050b1882b46ad771b4310c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "800271942a87cbb3573a69c4ca9feeede56d72177050b1882b46ad771b4310c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800271942a87cbb3573a69c4ca9feeede56d72177050b1882b46ad771b4310c8", kill_on_drop: false }`
[INFO] [stdout] 800271942a87cbb3573a69c4ca9feeede56d72177050b1882b46ad771b4310c8
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 94f123940f4b873f5b7440f44856823658bf819ed663f8571d5c073a1ef8b231
[INFO] running `Command { std: "docker" "start" "-a" "94f123940f4b873f5b7440f44856823658bf819ed663f8571d5c073a1ef8b231", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling cranelift-entity v0.68.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking staticvec v0.10.5
[INFO] [stderr]     Checking wasmparser v0.65.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking wast v26.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cranelift-bforest v0.68.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dynasmrt v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking wat v1.0.27
[INFO] [stderr]    Compiling derive_utils v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling dynasm v0.5.2
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling iter-enum v0.2.4
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]     Checking lightbeam v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "94f123940f4b873f5b7440f44856823658bf819ed663f8571d5c073a1ef8b231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f123940f4b873f5b7440f44856823658bf819ed663f8571d5c073a1ef8b231", kill_on_drop: false }`
[INFO] [stdout] 94f123940f4b873f5b7440f44856823658bf819ed663f8571d5c073a1ef8b231