[INFO] cloning repository https://github.com/atimos/lambdaless
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atimos/lambdaless" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatimos%2Flambdaless", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatimos%2Flambdaless'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cefe3181f8ab100ec557e3d7921f913fbd36d884
[INFO] testing atimos/lambdaless against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatimos%2Flambdaless" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atimos/lambdaless on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atimos/lambdaless
[INFO] finished tweaking git repo https://github.com/atimos/lambdaless
[INFO] tweaked toml for git repo https://github.com/atimos/lambdaless written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/atimos/lambdaless already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df0f4d63a888369c03265ad30074dc3da04e2385ceef5638bfb55149e21a24b
[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" "3df0f4d63a888369c03265ad30074dc3da04e2385ceef5638bfb55149e21a24b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df0f4d63a888369c03265ad30074dc3da04e2385ceef5638bfb55149e21a24b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df0f4d63a888369c03265ad30074dc3da04e2385ceef5638bfb55149e21a24b", kill_on_drop: false }`
[INFO] [stdout] 3df0f4d63a888369c03265ad30074dc3da04e2385ceef5638bfb55149e21a24b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1af21cf08960e2dba4a462d6d0a5161432e0b1c2cea3e42f7a7aab7a6928c1
[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" "4d1af21cf08960e2dba4a462d6d0a5161432e0b1c2cea3e42f7a7aab7a6928c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.52.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling wasmparser v0.45.2
[INFO] [stderr]    Compiling wasmtime-environ v0.9.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling test2 v0.1.0 (/opt/rustwide/workdir/test2)
[INFO] [stderr]    Compiling test1 v0.1.0 (/opt/rustwide/workdir/test1)
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling region v2.1.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling gimli v0.19.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wasmtime-runtime v0.9.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.2
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling goblin v0.1.3
[INFO] [stderr]    Compiling thiserror v1.0.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cranelift-entity v0.52.0
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling string-interner v0.7.1
[INFO] [stderr]    Compiling faerie v0.13.0
[INFO] [stderr]    Compiling cranelift-bforest v0.52.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.52.0
[INFO] [stderr]    Compiling cranelift-codegen v0.52.0
[INFO] [stderr]    Compiling zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]    Compiling zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]    Compiling cranelift-frontend v0.52.0
[INFO] [stderr]    Compiling cranelift-native v0.52.0
[INFO] [stderr]    Compiling cranelift-wasm v0.52.0
[INFO] [stderr]    Compiling wasmtime-debug v0.9.0
[INFO] [stderr]    Compiling wasmtime-jit v0.9.0
[INFO] [stderr]    Compiling wasmtime v0.9.0
[INFO] [stderr]    Compiling system v0.1.0 (/opt/rustwide/workdir/system)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 57s
[INFO] running `Command { std: "docker" "inspect" "4d1af21cf08960e2dba4a462d6d0a5161432e0b1c2cea3e42f7a7aab7a6928c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1af21cf08960e2dba4a462d6d0a5161432e0b1c2cea3e42f7a7aab7a6928c1", kill_on_drop: false }`
[INFO] [stdout] 4d1af21cf08960e2dba4a462d6d0a5161432e0b1c2cea3e42f7a7aab7a6928c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e0806b03a621a2db26e0537cfd04cbb1517b75e72be7b2a20e817da5fed573
[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" "40e0806b03a621a2db26e0537cfd04cbb1517b75e72be7b2a20e817da5fed573", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasmparser v0.45.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling test2 v0.1.0 (/opt/rustwide/workdir/test2)
[INFO] [stderr]    Compiling test1 v0.1.0 (/opt/rustwide/workdir/test1)
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling thiserror v1.0.10
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling string-interner v0.7.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling region v2.1.2
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling cranelift-bforest v0.52.0
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling goblin v0.1.3
[INFO] [stderr]    Compiling gimli v0.19.0
[INFO] [stderr]    Compiling zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]    Compiling cranelift-codegen v0.52.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.2
[INFO] [stderr]    Compiling faerie v0.13.0
[INFO] [stderr]    Compiling cranelift-frontend v0.52.0
[INFO] [stderr]    Compiling cranelift-native v0.52.0
[INFO] [stderr]    Compiling cranelift-wasm v0.52.0
[INFO] [stderr]    Compiling wasmtime-environ v0.9.0
[INFO] [stderr]    Compiling wasmtime-debug v0.9.0
[INFO] [stderr]    Compiling wasmtime-runtime v0.9.0
[INFO] [stderr]    Compiling wasmtime-jit v0.9.0
[INFO] [stderr]    Compiling wasmtime v0.9.0
[INFO] [stderr]    Compiling system v0.1.0 (/opt/rustwide/workdir/system)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "40e0806b03a621a2db26e0537cfd04cbb1517b75e72be7b2a20e817da5fed573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e0806b03a621a2db26e0537cfd04cbb1517b75e72be7b2a20e817da5fed573", kill_on_drop: false }`
[INFO] [stdout] 40e0806b03a621a2db26e0537cfd04cbb1517b75e72be7b2a20e817da5fed573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c57cafb5ae0728547efd50058b64583f3e7eb9727bf6891d7a2397d1b66cebd
[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" "4c57cafb5ae0728547efd50058b64583f3e7eb9727bf6891d7a2397d1b66cebd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/system-eb48e2239fa9cd52)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test1-f0a4e96a20a129a8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test2-327ae7a1a3bb0de7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c57cafb5ae0728547efd50058b64583f3e7eb9727bf6891d7a2397d1b66cebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c57cafb5ae0728547efd50058b64583f3e7eb9727bf6891d7a2397d1b66cebd", kill_on_drop: false }`
[INFO] [stdout] 4c57cafb5ae0728547efd50058b64583f3e7eb9727bf6891d7a2397d1b66cebd