[INFO] fetching crate rand_string 0.1.1...
[INFO] testing rand_string-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rand_string 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rand_string 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-9/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcff9ceeb0e3bc7902491efa471ea1d3514ea8281d301a6f6dd813cffa0e4352
[INFO] running `Command { std: "docker" "start" "-a" "bcff9ceeb0e3bc7902491efa471ea1d3514ea8281d301a6f6dd813cffa0e4352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcff9ceeb0e3bc7902491efa471ea1d3514ea8281d301a6f6dd813cffa0e4352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcff9ceeb0e3bc7902491efa471ea1d3514ea8281d301a6f6dd813cffa0e4352", kill_on_drop: false }`
[INFO] [stdout] bcff9ceeb0e3bc7902491efa471ea1d3514ea8281d301a6f6dd813cffa0e4352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ff2cdf7acba7ce267e1e176feac4f39750179d7bbbc0454993d48801cefc467
[INFO] running `Command { std: "docker" "start" "-a" "8ff2cdf7acba7ce267e1e176feac4f39750179d7bbbc0454993d48801cefc467", 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 3.81s
[INFO] running `Command { std: "docker" "inspect" "8ff2cdf7acba7ce267e1e176feac4f39750179d7bbbc0454993d48801cefc467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff2cdf7acba7ce267e1e176feac4f39750179d7bbbc0454993d48801cefc467", kill_on_drop: false }`
[INFO] [stdout] 8ff2cdf7acba7ce267e1e176feac4f39750179d7bbbc0454993d48801cefc467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f9ac4ede453eaa8fb9d13adcd0213e0931b520deac9f88b50ee737eaa0712f8
[INFO] running `Command { std: "docker" "start" "-a" "2f9ac4ede453eaa8fb9d13adcd0213e0931b520deac9f88b50ee737eaa0712f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "2f9ac4ede453eaa8fb9d13adcd0213e0931b520deac9f88b50ee737eaa0712f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9ac4ede453eaa8fb9d13adcd0213e0931b520deac9f88b50ee737eaa0712f8", kill_on_drop: false }`
[INFO] [stdout] 2f9ac4ede453eaa8fb9d13adcd0213e0931b520deac9f88b50ee737eaa0712f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d06028b8e48f789a4b7d4a2376d7a3ee8feb5aa24edbd0beb871bb3cfa1dfc0e
[INFO] running `Command { std: "docker" "start" "-a" "d06028b8e48f789a4b7d4a2376d7a3ee8feb5aa24edbd0beb871bb3cfa1dfc0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_string-b288752000bfb6cd)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_string-bd57ee59c1cbad9e)
[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] [stdout] 
[INFO] [stderr]    Doc-tests rand_string
[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] running `Command { std: "docker" "inspect" "d06028b8e48f789a4b7d4a2376d7a3ee8feb5aa24edbd0beb871bb3cfa1dfc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06028b8e48f789a4b7d4a2376d7a3ee8feb5aa24edbd0beb871bb3cfa1dfc0e", kill_on_drop: false }`
[INFO] [stdout] d06028b8e48f789a4b7d4a2376d7a3ee8feb5aa24edbd0beb871bb3cfa1dfc0e