[INFO] fetching crate saft 0.20.0...
[INFO] testing saft-0.20.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate saft 0.20.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate saft 0.20.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate saft 0.20.0
[INFO] finished tweaking crates.io crate saft 0.20.0
[INFO] tweaked toml for crates.io crate saft 0.20.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53e8cfe06190b86cacec288883ddc11ccb62071e265f5a25e39c0fe61ce21eb6
[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" "53e8cfe06190b86cacec288883ddc11ccb62071e265f5a25e39c0fe61ce21eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53e8cfe06190b86cacec288883ddc11ccb62071e265f5a25e39c0fe61ce21eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e8cfe06190b86cacec288883ddc11ccb62071e265f5a25e39c0fe61ce21eb6", kill_on_drop: false }`
[INFO] [stdout] 53e8cfe06190b86cacec288883ddc11ccb62071e265f5a25e39c0fe61ce21eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d85112fa75ee09d4401dfec6a0e05a2815cd5d1bec744e68d2d5d1c287c9666
[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" "9d85112fa75ee09d4401dfec6a0e05a2815cd5d1bec744e68d2d5d1c287c9666", kill_on_drop: false }`
[INFO] [stderr]    Compiling puffin v0.8.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling glam v0.17.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling macaw v0.11.1
[INFO] [stderr]    Compiling num_enum v0.5.4
[INFO] [stderr]    Compiling saft v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.07s
[INFO] running `Command { std: "docker" "inspect" "9d85112fa75ee09d4401dfec6a0e05a2815cd5d1bec744e68d2d5d1c287c9666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d85112fa75ee09d4401dfec6a0e05a2815cd5d1bec744e68d2d5d1c287c9666", kill_on_drop: false }`
[INFO] [stdout] 9d85112fa75ee09d4401dfec6a0e05a2815cd5d1bec744e68d2d5d1c287c9666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen" "--no-run" "--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] e14f02801ed8b7608135513f75a4500415fb9834f5a6c39cf579db44988b2b37
[INFO] running `Command { std: "docker" "start" "-a" "e14f02801ed8b7608135513f75a4500415fb9834f5a6c39cf579db44988b2b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling saft v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `Command { std: "docker" "inspect" "e14f02801ed8b7608135513f75a4500415fb9834f5a6c39cf579db44988b2b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14f02801ed8b7608135513f75a4500415fb9834f5a6c39cf579db44988b2b37", kill_on_drop: false }`
[INFO] [stdout] e14f02801ed8b7608135513f75a4500415fb9834f5a6c39cf579db44988b2b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b89b241a4de297dd10c53c8d0212a30a922f2604129d020a3159471adaf9cd2
[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" "2b89b241a4de297dd10c53c8d0212a30a922f2604129d020a3159471adaf9cd2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/saft-9ee353156852b492)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test compiler::tests::roundtrip ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b89b241a4de297dd10c53c8d0212a30a922f2604129d020a3159471adaf9cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b89b241a4de297dd10c53c8d0212a30a922f2604129d020a3159471adaf9cd2", kill_on_drop: false }`
[INFO] [stdout] 2b89b241a4de297dd10c53c8d0212a30a922f2604129d020a3159471adaf9cd2