[INFO] fetching crate random_utils 0.2.1...
[INFO] testing random_utils-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate random_utils 0.2.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate random_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 random_utils 0.2.1
[INFO] finished tweaking crates.io crate random_utils 0.2.1
[INFO] tweaked toml for crates.io crate random_utils 0.2.1 written to /workspace/builds/worker-19/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8a964419b31b1a00c304996b3ee3d49f5eb984b0d5cf1cb78ed603eb4489a51
[INFO] running `Command { std: "docker" "start" "-a" "d8a964419b31b1a00c304996b3ee3d49f5eb984b0d5cf1cb78ed603eb4489a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8a964419b31b1a00c304996b3ee3d49f5eb984b0d5cf1cb78ed603eb4489a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a964419b31b1a00c304996b3ee3d49f5eb984b0d5cf1cb78ed603eb4489a51", kill_on_drop: false }`
[INFO] [stdout] d8a964419b31b1a00c304996b3ee3d49f5eb984b0d5cf1cb78ed603eb4489a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c49de417b14d39eaa22bfd40641f853edda8125bd977d1b56f89deda89cd6c9
[INFO] running `Command { std: "docker" "start" "-a" "9c49de417b14d39eaa22bfd40641f853edda8125bd977d1b56f89deda89cd6c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling random_utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "9c49de417b14d39eaa22bfd40641f853edda8125bd977d1b56f89deda89cd6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c49de417b14d39eaa22bfd40641f853edda8125bd977d1b56f89deda89cd6c9", kill_on_drop: false }`
[INFO] [stdout] 9c49de417b14d39eaa22bfd40641f853edda8125bd977d1b56f89deda89cd6c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7bf7eddb2726a7979730a715548cd086c58e6fa4227439ceb9f498ec013c63f
[INFO] running `Command { std: "docker" "start" "-a" "a7bf7eddb2726a7979730a715548cd086c58e6fa4227439ceb9f498ec013c63f", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/random_utils-0a8ed040b03a7544)
[INFO] running `Command { std: "docker" "inspect" "a7bf7eddb2726a7979730a715548cd086c58e6fa4227439ceb9f498ec013c63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bf7eddb2726a7979730a715548cd086c58e6fa4227439ceb9f498ec013c63f", kill_on_drop: false }`
[INFO] [stdout] a7bf7eddb2726a7979730a715548cd086c58e6fa4227439ceb9f498ec013c63f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ceca2c2cb479d70418917060a1328495815949b38ac02a7fdd0191babce247c8
[INFO] running `Command { std: "docker" "start" "-a" "ceca2c2cb479d70418917060a1328495815949b38ac02a7fdd0191babce247c8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/random_utils-0a8ed040b03a7544)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::random_range_equal_arguments ... ok
[INFO] [stdout] test tests::random_range_bad_arguments - should panic ... ok
[INFO] [stdout] test tests::random_range_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random_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" "ceca2c2cb479d70418917060a1328495815949b38ac02a7fdd0191babce247c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceca2c2cb479d70418917060a1328495815949b38ac02a7fdd0191babce247c8", kill_on_drop: false }`
[INFO] [stdout] ceca2c2cb479d70418917060a1328495815949b38ac02a7fdd0191babce247c8