[INFO] fetching crate lightbeam 0.20.0...
[INFO] checking lightbeam-0.20.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate lightbeam 0.20.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lightbeam 0.20.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightbeam 0.20.0
[INFO] finished tweaking crates.io crate lightbeam 0.20.0
[INFO] tweaked toml for crates.io crate lightbeam 0.20.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lightbeam 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wat v1.0.25
[INFO] [stderr]   Downloaded wast v24.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] d4a62eabe5aef4ff1ea131bdffef322058558ca49b143b894142d518be0d4763
[INFO] running `Command { std: "docker" "start" "-a" "d4a62eabe5aef4ff1ea131bdffef322058558ca49b143b894142d518be0d4763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a62eabe5aef4ff1ea131bdffef322058558ca49b143b894142d518be0d4763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a62eabe5aef4ff1ea131bdffef322058558ca49b143b894142d518be0d4763", kill_on_drop: false }`
[INFO] [stdout] d4a62eabe5aef4ff1ea131bdffef322058558ca49b143b894142d518be0d4763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 62c7fbec6d89b9f9fcd4e5463206d23e0da96cbebd98ddf1e08411c0223a60dd
[INFO] running `Command { std: "docker" "start" "-a" "62c7fbec6d89b9f9fcd4e5463206d23e0da96cbebd98ddf1e08411c0223a60dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.67.0
[INFO] [stderr]    Compiling cranelift-entity v0.67.0
[INFO] [stderr]    Compiling target-lexicon v0.11.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking staticvec v0.10.5
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking regalloc v0.0.30
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking wast v24.0.0
[INFO] [stderr]     Checking cranelift-bforest v0.67.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.67.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dynasmrt v0.5.2
[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 quickcheck v0.9.2
[INFO] [stderr]     Checking wat v1.0.25
[INFO] [stderr]    Compiling derive_utils v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling iter-enum v0.2.4
[INFO] [stderr]    Compiling dynasm v0.5.2
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]    Compiling cranelift-codegen v0.67.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]     Checking lightbeam v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "62c7fbec6d89b9f9fcd4e5463206d23e0da96cbebd98ddf1e08411c0223a60dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c7fbec6d89b9f9fcd4e5463206d23e0da96cbebd98ddf1e08411c0223a60dd", kill_on_drop: false }`
[INFO] [stdout] 62c7fbec6d89b9f9fcd4e5463206d23e0da96cbebd98ddf1e08411c0223a60dd