[INFO] fetching crate iota-utils 0.2.1...
[INFO] testing iota-utils-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate iota-utils 0.2.1 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iota-utils 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding iota-conversion v0.3.0 (available: v0.5.1)
[INFO] [stderr]       Adding iota-crypto v0.3.0 (available: v0.23.2)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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 iota-model v0.3.0
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded iota-conversion v0.3.0
[INFO] [stderr]   Downloaded iota-validation v0.2.1
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded iota-crypto v0.3.0
[INFO] [stderr]   Downloaded iota-constants v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d170004a4230a94f0ab0ee2cf4a82eb955e02568ecb7c01f5ebfa970cfdf0934
[INFO] running `Command { std: "docker" "start" "-a" "d170004a4230a94f0ab0ee2cf4a82eb955e02568ecb7c01f5ebfa970cfdf0934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d170004a4230a94f0ab0ee2cf4a82eb955e02568ecb7c01f5ebfa970cfdf0934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d170004a4230a94f0ab0ee2cf4a82eb955e02568ecb7c01f5ebfa970cfdf0934", kill_on_drop: false }`
[INFO] [stdout] d170004a4230a94f0ab0ee2cf4a82eb955e02568ecb7c01f5ebfa970cfdf0934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1c7d1730d9a8ea6878d159363343402184fa03247bc27ef1b385af971edb99
[INFO] running `Command { std: "docker" "start" "-a" "ce1c7d1730d9a8ea6878d159363343402184fa03247bc27ef1b385af971edb99", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-constants v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.76
[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 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` profile [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "ce1c7d1730d9a8ea6878d159363343402184fa03247bc27ef1b385af971edb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1c7d1730d9a8ea6878d159363343402184fa03247bc27ef1b385af971edb99", kill_on_drop: false }`
[INFO] [stdout] ce1c7d1730d9a8ea6878d159363343402184fa03247bc27ef1b385af971edb99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f03a5cb2cd3259c3eb7053e6fb7d34f851658497daf64621f25640380b5500c
[INFO] running `Command { std: "docker" "start" "-a" "1f03a5cb2cd3259c3eb7053e6fb7d34f851658497daf64621f25640380b5500c", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "1f03a5cb2cd3259c3eb7053e6fb7d34f851658497daf64621f25640380b5500c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f03a5cb2cd3259c3eb7053e6fb7d34f851658497daf64621f25640380b5500c", kill_on_drop: false }`
[INFO] [stdout] 1f03a5cb2cd3259c3eb7053e6fb7d34f851658497daf64621f25640380b5500c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 099bc8bddf07a4c9acae31ce54b95ed15b8959270611cf653e18348dbe5ade3f
[INFO] running `Command { std: "docker" "start" "-a" "099bc8bddf07a4c9acae31ce54b95ed15b8959270611cf653e18348dbe5ade3f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/iota_utils-6fb7bd270838eb37)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests iota_utils
[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" "099bc8bddf07a4c9acae31ce54b95ed15b8959270611cf653e18348dbe5ade3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099bc8bddf07a4c9acae31ce54b95ed15b8959270611cf653e18348dbe5ade3f", kill_on_drop: false }`
[INFO] [stdout] 099bc8bddf07a4c9acae31ce54b95ed15b8959270611cf653e18348dbe5ade3f