[INFO] fetching crate ief 0.0.2...
[INFO] testing ief-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ief 0.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ief 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ief 0.0.2
[INFO] finished tweaking crates.io crate ief 0.0.2
[INFO] tweaked toml for crates.io crate ief 0.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate ief 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded goblin v0.2.0
[INFO] [stderr]   Downloaded cpp_demangle v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 004f1f92f79528c3eb0bea5a62fc6a37de52f96b89920cbbe2c586a6fc747e43
[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" "004f1f92f79528c3eb0bea5a62fc6a37de52f96b89920cbbe2c586a6fc747e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "004f1f92f79528c3eb0bea5a62fc6a37de52f96b89920cbbe2c586a6fc747e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004f1f92f79528c3eb0bea5a62fc6a37de52f96b89920cbbe2c586a6fc747e43", kill_on_drop: false }`
[INFO] [stdout] 004f1f92f79528c3eb0bea5a62fc6a37de52f96b89920cbbe2c586a6fc747e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--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] eebbbabb3a504405424838beb3c8259eb3e318f47934de93b5f89aacc998c926
[INFO] running `Command { std: "docker" "start" "-a" "eebbbabb3a504405424838beb3c8259eb3e318f47934de93b5f89aacc998c926", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cpp_demangle v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling ignore v0.4.11
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling goblin v0.2.0
[INFO] [stderr]    Compiling ief v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.69s
[INFO] running `Command { std: "docker" "inspect" "eebbbabb3a504405424838beb3c8259eb3e318f47934de93b5f89aacc998c926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebbbabb3a504405424838beb3c8259eb3e318f47934de93b5f89aacc998c926", kill_on_drop: false }`
[INFO] [stdout] eebbbabb3a504405424838beb3c8259eb3e318f47934de93b5f89aacc998c926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e119b84f83cdd6dce9e1c9653088a9406338c0c53fce2c79dbcd5dedd03e58ac
[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" "e119b84f83cdd6dce9e1c9653088a9406338c0c53fce2c79dbcd5dedd03e58ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling ief v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "e119b84f83cdd6dce9e1c9653088a9406338c0c53fce2c79dbcd5dedd03e58ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e119b84f83cdd6dce9e1c9653088a9406338c0c53fce2c79dbcd5dedd03e58ac", kill_on_drop: false }`
[INFO] [stdout] e119b84f83cdd6dce9e1c9653088a9406338c0c53fce2c79dbcd5dedd03e58ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05c0000848605b7df672340f7414f68dc02d0e788382404d06cb594d20803d7f
[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" "05c0000848605b7df672340f7414f68dc02d0e788382404d06cb594d20803d7f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ief-6337409f90620535)
[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" "05c0000848605b7df672340f7414f68dc02d0e788382404d06cb594d20803d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c0000848605b7df672340f7414f68dc02d0e788382404d06cb594d20803d7f", kill_on_drop: false }`
[INFO] [stdout] 05c0000848605b7df672340f7414f68dc02d0e788382404d06cb594d20803d7f