[INFO] cloning repository https://github.com/randbw/random_hashtag_selector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randbw/random_hashtag_selector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandbw%2Frandom_hashtag_selector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandbw%2Frandom_hashtag_selector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b69e8483ba707983e31c5023e476705ffbca5562
[INFO] testing randbw/random_hashtag_selector against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandbw%2Frandom_hashtag_selector" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/randbw/random_hashtag_selector 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 git repo https://github.com/randbw/random_hashtag_selector
[INFO] finished tweaking git repo https://github.com/randbw/random_hashtag_selector
[INFO] tweaked toml for git repo https://github.com/randbw/random_hashtag_selector written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/randbw/random_hashtag_selector 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 87129c736ff201dc65a66247186237ca3ba640c37cf48c596bc0e4e8c477f71e
[INFO] running `Command { std: "docker" "start" "-a" "87129c736ff201dc65a66247186237ca3ba640c37cf48c596bc0e4e8c477f71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87129c736ff201dc65a66247186237ca3ba640c37cf48c596bc0e4e8c477f71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87129c736ff201dc65a66247186237ca3ba640c37cf48c596bc0e4e8c477f71e", kill_on_drop: false }`
[INFO] [stdout] 87129c736ff201dc65a66247186237ca3ba640c37cf48c596bc0e4e8c477f71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cf1ba74463890b78b3e4ceecfbe2768a2c32f1ea3e1012e0aa47f8ba8cb6d851
[INFO] running `Command { std: "docker" "start" "-a" "cf1ba74463890b78b3e4ceecfbe2768a2c32f1ea3e1012e0aa47f8ba8cb6d851", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hashtag_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "cf1ba74463890b78b3e4ceecfbe2768a2c32f1ea3e1012e0aa47f8ba8cb6d851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1ba74463890b78b3e4ceecfbe2768a2c32f1ea3e1012e0aa47f8ba8cb6d851", kill_on_drop: false }`
[INFO] [stdout] cf1ba74463890b78b3e4ceecfbe2768a2c32f1ea3e1012e0aa47f8ba8cb6d851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 95332b1e035b8d7e27ff3d7c6e890b0da6e72918c1d28f69c13e00e350d0b463
[INFO] running `Command { std: "docker" "start" "-a" "95332b1e035b8d7e27ff3d7c6e890b0da6e72918c1d28f69c13e00e350d0b463", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashtag_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "95332b1e035b8d7e27ff3d7c6e890b0da6e72918c1d28f69c13e00e350d0b463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95332b1e035b8d7e27ff3d7c6e890b0da6e72918c1d28f69c13e00e350d0b463", kill_on_drop: false }`
[INFO] [stdout] 95332b1e035b8d7e27ff3d7c6e890b0da6e72918c1d28f69c13e00e350d0b463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 09edbd6c290ba1dc0329bace69b8c590d20990745dfe671e1b8805a88aacac1b
[INFO] running `Command { std: "docker" "start" "-a" "09edbd6c290ba1dc0329bace69b8c590d20990745dfe671e1b8805a88aacac1b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashtag_generator-13183666ad35dd4c)
[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" "09edbd6c290ba1dc0329bace69b8c590d20990745dfe671e1b8805a88aacac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09edbd6c290ba1dc0329bace69b8c590d20990745dfe671e1b8805a88aacac1b", kill_on_drop: false }`
[INFO] [stdout] 09edbd6c290ba1dc0329bace69b8c590d20990745dfe671e1b8805a88aacac1b