[INFO] fetching crate lightbeam 0.21.0...
[INFO] checking lightbeam-0.21.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate lightbeam 0.21.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lightbeam 0.21.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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-7/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wat v1.0.27
[INFO] [stderr]   Downloaded cranelift-entity v0.68.0
[INFO] [stderr]   Downloaded iter-enum v0.2.4
[INFO] [stderr]   Downloaded wasmparser v0.65.0
[INFO] [stderr]   Downloaded derive_utils v0.10.0
[INFO] [stderr]   Downloaded wast v26.0.1
[INFO] [stderr]   Downloaded cranelift-bforest v0.68.0
[INFO] [stderr]   Downloaded target-lexicon v0.11.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.68.0
[INFO] [stderr]   Downloaded regalloc v0.0.31
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.68.0
[INFO] [stderr]   Downloaded staticvec v0.10.5
[INFO] [stderr]   Downloaded cranelift-codegen v0.68.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71598ded7e610f83ddd463d41e9758935ce1e72f0a44b9dd736291ebf3468897
[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" "71598ded7e610f83ddd463d41e9758935ce1e72f0a44b9dd736291ebf3468897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71598ded7e610f83ddd463d41e9758935ce1e72f0a44b9dd736291ebf3468897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71598ded7e610f83ddd463d41e9758935ce1e72f0a44b9dd736291ebf3468897", kill_on_drop: false }`
[INFO] [stdout] 71598ded7e610f83ddd463d41e9758935ce1e72f0a44b9dd736291ebf3468897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a23fe1201ea138005d62e01bcb268098f36d2d9a3462a15716edda124cd8aab
[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" "7a23fe1201ea138005d62e01bcb268098f36d2d9a3462a15716edda124cd8aab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cranelift-entity v0.68.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking staticvec v0.10.5
[INFO] [stderr]     Checking wasmparser v0.65.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wast v26.0.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking cranelift-bforest v0.68.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dynasmrt v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]     Checking env_logger v0.7.1
[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 cranelift-codegen v0.68.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling iter-enum v0.2.4
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling dynasm v0.5.2
[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 51s
[INFO] running `Command { std: "docker" "inspect" "7a23fe1201ea138005d62e01bcb268098f36d2d9a3462a15716edda124cd8aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a23fe1201ea138005d62e01bcb268098f36d2d9a3462a15716edda124cd8aab", kill_on_drop: false }`
[INFO] [stdout] 7a23fe1201ea138005d62e01bcb268098f36d2d9a3462a15716edda124cd8aab