[INFO] fetching crate iota-utils 0.2.1...
[INFO] testing iota-utils-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate iota-utils 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate iota-utils 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iota-utils 0.2.1
[INFO] finished tweaking crates.io crate iota-utils 0.2.1
[INFO] tweaked toml for crates.io crate iota-utils 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] e8b74fdba30025a105825302e6ca8ba73fac78cc18737095ef7f3799f2ffcede
[INFO] running `Command { std: "docker" "start" "-a" "e8b74fdba30025a105825302e6ca8ba73fac78cc18737095ef7f3799f2ffcede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b74fdba30025a105825302e6ca8ba73fac78cc18737095ef7f3799f2ffcede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b74fdba30025a105825302e6ca8ba73fac78cc18737095ef7f3799f2ffcede", kill_on_drop: false }`
[INFO] [stdout] e8b74fdba30025a105825302e6ca8ba73fac78cc18737095ef7f3799f2ffcede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad10ea149f8093d95f570f848e1c029e2270817162c3534f741857a10b8343c2
[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" "ad10ea149f8093d95f570f848e1c029e2270817162c3534f741857a10b8343c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-constants v0.2.1
[INFO] [stderr]    Compiling iota-conversion v0.3.0
[INFO] [stderr]    Compiling iota-crypto v0.3.0
[INFO] [stderr]    Compiling iota-model v0.3.0
[INFO] [stderr]    Compiling iota-validation v0.2.1
[INFO] [stderr]    Compiling iota-utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "ad10ea149f8093d95f570f848e1c029e2270817162c3534f741857a10b8343c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad10ea149f8093d95f570f848e1c029e2270817162c3534f741857a10b8343c2", kill_on_drop: false }`
[INFO] [stdout] ad10ea149f8093d95f570f848e1c029e2270817162c3534f741857a10b8343c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a05c7bf97414a36364d4cfbb4159c1261cb3c19166b9b8d2e7ec7a2ef3312a
[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" "90a05c7bf97414a36364d4cfbb4159c1261cb3c19166b9b8d2e7ec7a2ef3312a", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.85s
[INFO] [stderr]   Executable unittests lib.rs (/opt/rustwide/target/debug/deps/iota_utils-14ec28d1bd10fc15)
[INFO] running `Command { std: "docker" "inspect" "90a05c7bf97414a36364d4cfbb4159c1261cb3c19166b9b8d2e7ec7a2ef3312a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a05c7bf97414a36364d4cfbb4159c1261cb3c19166b9b8d2e7ec7a2ef3312a", kill_on_drop: false }`
[INFO] [stdout] 90a05c7bf97414a36364d4cfbb4159c1261cb3c19166b9b8d2e7ec7a2ef3312a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 870f403f2efbf526b15a271af403a65ed3d19ae73eac538d8b2dfa1d205b1c15
[INFO] running `Command { std: "docker" "start" "-a" "870f403f2efbf526b15a271af403a65ed3d19ae73eac538d8b2dfa1d205b1c15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/iota_utils-14ec28d1bd10fc15)
[INFO] [stderr]    Doc-tests iota_utils
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test seed_random_generator::tests::generate_valid_seed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "870f403f2efbf526b15a271af403a65ed3d19ae73eac538d8b2dfa1d205b1c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870f403f2efbf526b15a271af403a65ed3d19ae73eac538d8b2dfa1d205b1c15", kill_on_drop: false }`
[INFO] [stdout] 870f403f2efbf526b15a271af403a65ed3d19ae73eac538d8b2dfa1d205b1c15