[INFO] fetching crate rand_string 0.1.1...
[INFO] testing rand_string-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rand_string 0.1.1 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate rand_string 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_string 0.1.1
[INFO] finished tweaking crates.io crate rand_string 0.1.1
[INFO] tweaked toml for crates.io crate rand_string 0.1.1 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate rand_string 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aadad62484a7d040f481bcc12b63b92f2dc03a2dfb5d408591276da36b822104
[INFO] running `Command { std: "docker" "start" "-a" "aadad62484a7d040f481bcc12b63b92f2dc03a2dfb5d408591276da36b822104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aadad62484a7d040f481bcc12b63b92f2dc03a2dfb5d408591276da36b822104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadad62484a7d040f481bcc12b63b92f2dc03a2dfb5d408591276da36b822104", kill_on_drop: false }`
[INFO] [stdout] aadad62484a7d040f481bcc12b63b92f2dc03a2dfb5d408591276da36b822104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 789e493bed4758da73f7ce40f4897cd6ed2661a8af7a676c9e85c6bca16f178f
[INFO] running `Command { std: "docker" "start" "-a" "789e493bed4758da73f7ce40f4897cd6ed2661a8af7a676c9e85c6bca16f178f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "789e493bed4758da73f7ce40f4897cd6ed2661a8af7a676c9e85c6bca16f178f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789e493bed4758da73f7ce40f4897cd6ed2661a8af7a676c9e85c6bca16f178f", kill_on_drop: false }`
[INFO] [stdout] 789e493bed4758da73f7ce40f4897cd6ed2661a8af7a676c9e85c6bca16f178f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de56da5b039386ca5095f71b1c570087ee2a79a1adbe4c1ad4c8ab863c69d5de
[INFO] running `Command { std: "docker" "start" "-a" "de56da5b039386ca5095f71b1c570087ee2a79a1adbe4c1ad4c8ab863c69d5de", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "de56da5b039386ca5095f71b1c570087ee2a79a1adbe4c1ad4c8ab863c69d5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de56da5b039386ca5095f71b1c570087ee2a79a1adbe4c1ad4c8ab863c69d5de", kill_on_drop: false }`
[INFO] [stdout] de56da5b039386ca5095f71b1c570087ee2a79a1adbe4c1ad4c8ab863c69d5de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61fc4d00241c0f38a4fab656250a3560a555160f27d874be31c463a2f1585bc6
[INFO] running `Command { std: "docker" "start" "-a" "61fc4d00241c0f38a4fab656250a3560a555160f27d874be31c463a2f1585bc6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_string-e2d1dd2fd6d81d5a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_string-94f4fa6634ffbcd3)
[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] [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] [stderr]    Doc-tests rand_string
[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" "61fc4d00241c0f38a4fab656250a3560a555160f27d874be31c463a2f1585bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fc4d00241c0f38a4fab656250a3560a555160f27d874be31c463a2f1585bc6", kill_on_drop: false }`
[INFO] [stdout] 61fc4d00241c0f38a4fab656250a3560a555160f27d874be31c463a2f1585bc6