[INFO] fetching crate iota-utils 0.2.1...
[INFO] testing iota-utils-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate iota-utils 0.2.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate iota-utils 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8189e12de017cd60ddaa3189a5fb74c08a760dbe9a8026918ccc01c4285864c2
[INFO] running `Command { std: "docker" "start" "-a" "8189e12de017cd60ddaa3189a5fb74c08a760dbe9a8026918ccc01c4285864c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8189e12de017cd60ddaa3189a5fb74c08a760dbe9a8026918ccc01c4285864c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8189e12de017cd60ddaa3189a5fb74c08a760dbe9a8026918ccc01c4285864c2", kill_on_drop: false }`
[INFO] [stdout] 8189e12de017cd60ddaa3189a5fb74c08a760dbe9a8026918ccc01c4285864c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b78e31d3867c23f62916e2029be4aaaf36cbdb82f7cf28230c3a57de755c238d
[INFO] running `Command { std: "docker" "start" "-a" "b78e31d3867c23f62916e2029be4aaaf36cbdb82f7cf28230c3a57de755c238d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling iota-constants v0.2.1
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling iota-conversion v0.3.0
[INFO] [stderr]    Compiling iota-crypto v0.3.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[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 13.07s
[INFO] running `Command { std: "docker" "inspect" "b78e31d3867c23f62916e2029be4aaaf36cbdb82f7cf28230c3a57de755c238d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78e31d3867c23f62916e2029be4aaaf36cbdb82f7cf28230c3a57de755c238d", kill_on_drop: false }`
[INFO] [stdout] b78e31d3867c23f62916e2029be4aaaf36cbdb82f7cf28230c3a57de755c238d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80a6aa974573bfbbc272e5c6a94caca6db133d1030d1e97fa5c7e1b39c2553a1
[INFO] running `Command { std: "docker" "start" "-a" "80a6aa974573bfbbc272e5c6a94caca6db133d1030d1e97fa5c7e1b39c2553a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "80a6aa974573bfbbc272e5c6a94caca6db133d1030d1e97fa5c7e1b39c2553a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a6aa974573bfbbc272e5c6a94caca6db133d1030d1e97fa5c7e1b39c2553a1", kill_on_drop: false }`
[INFO] [stdout] 80a6aa974573bfbbc272e5c6a94caca6db133d1030d1e97fa5c7e1b39c2553a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9ea3af4aa05c978b12db6f87e9abeb43c1943857837ebf49b71f25089140769
[INFO] running `Command { std: "docker" "start" "-a" "e9ea3af4aa05c978b12db6f87e9abeb43c1943857837ebf49b71f25089140769", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iota_utils-e10057e85f918272)
[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] [stderr]    Doc-tests iota_utils
[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" "e9ea3af4aa05c978b12db6f87e9abeb43c1943857837ebf49b71f25089140769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ea3af4aa05c978b12db6f87e9abeb43c1943857837ebf49b71f25089140769", kill_on_drop: false }`
[INFO] [stdout] e9ea3af4aa05c978b12db6f87e9abeb43c1943857837ebf49b71f25089140769