[INFO] fetching crate wasmer-compiler 1.0.0-alpha3...
[INFO] checking wasmer-compiler-1.0.0-alpha3 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate wasmer-compiler 1.0.0-alpha3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wasmer-compiler 1.0.0-alpha3 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-compiler 1.0.0-alpha3
[INFO] finished tweaking crates.io crate wasmer-compiler 1.0.0-alpha3
[INFO] tweaked toml for crates.io crate wasmer-compiler 1.0.0-alpha3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b839e42ede9b4101847e2ad76ecaee55ff4b3321dd29998750217964f6ae6e8d
[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" "b839e42ede9b4101847e2ad76ecaee55ff4b3321dd29998750217964f6ae6e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b839e42ede9b4101847e2ad76ecaee55ff4b3321dd29998750217964f6ae6e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b839e42ede9b4101847e2ad76ecaee55ff4b3321dd29998750217964f6ae6e8d", kill_on_drop: false }`
[INFO] [stdout] b839e42ede9b4101847e2ad76ecaee55ff4b3321dd29998750217964f6ae6e8d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] e175d507a222cecc2e97769912bef2f271b2b540dea955f09a07b9897e686a02
[INFO] running `Command { std: "docker" "start" "-a" "e175d507a222cecc2e97769912bef2f271b2b540dea955f09a07b9897e686a02", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha3
[INFO] [stderr]     Checking memoffset v0.5.6
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking miniz_oxide v0.4.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking cranelift-entity v0.65.0
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha3
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "e175d507a222cecc2e97769912bef2f271b2b540dea955f09a07b9897e686a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e175d507a222cecc2e97769912bef2f271b2b540dea955f09a07b9897e686a02", kill_on_drop: false }`
[INFO] [stdout] e175d507a222cecc2e97769912bef2f271b2b540dea955f09a07b9897e686a02