[INFO] fetching crate wasmer-singlepass-backend-fl 0.17.0...
[INFO] checking wasmer-singlepass-backend-fl-0.17.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate wasmer-singlepass-backend-fl 0.17.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wasmer-singlepass-backend-fl 0.17.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-singlepass-backend-fl 0.17.0
[INFO] finished tweaking crates.io crate wasmer-singlepass-backend-fl 0.17.0
[INFO] tweaked toml for crates.io crate wasmer-singlepass-backend-fl 0.17.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a48504ae97bd442bc7bae69dda3bc7d0627fc70afd80736c183d516ee4fce812
[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" "a48504ae97bd442bc7bae69dda3bc7d0627fc70afd80736c183d516ee4fce812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a48504ae97bd442bc7bae69dda3bc7d0627fc70afd80736c183d516ee4fce812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48504ae97bd442bc7bae69dda3bc7d0627fc70afd80736c183d516ee4fce812", kill_on_drop: false }`
[INFO] [stdout] a48504ae97bd442bc7bae69dda3bc7d0627fc70afd80736c183d516ee4fce812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761666c3cf12298b28067d27b3f8b0d19b8252af8b18a92308adbcd573fea09a
[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" "761666c3cf12298b28067d27b3f8b0d19b8252af8b18a92308adbcd573fea09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking dynasmrt v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling wasmer-runtime-core-fl v0.17.0
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling dynasm v0.5.2
[INFO] [stderr]     Checking wasmer-singlepass-backend-fl v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "761666c3cf12298b28067d27b3f8b0d19b8252af8b18a92308adbcd573fea09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761666c3cf12298b28067d27b3f8b0d19b8252af8b18a92308adbcd573fea09a", kill_on_drop: false }`
[INFO] [stdout] 761666c3cf12298b28067d27b3f8b0d19b8252af8b18a92308adbcd573fea09a