[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandbw%2Frandom_hashtag_selector" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/randbw/random_hashtag_selector on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-47/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0886e62f731d5be5689d22a45d30ff95f83d0ced4933a5e37da6cc61ac46074a
[INFO] running `Command { std: "docker" "start" "-a" "0886e62f731d5be5689d22a45d30ff95f83d0ced4933a5e37da6cc61ac46074a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0886e62f731d5be5689d22a45d30ff95f83d0ced4933a5e37da6cc61ac46074a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0886e62f731d5be5689d22a45d30ff95f83d0ced4933a5e37da6cc61ac46074a", kill_on_drop: false }`
[INFO] [stdout] 0886e62f731d5be5689d22a45d30ff95f83d0ced4933a5e37da6cc61ac46074a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08804e73a37d1dfb479b7fb5f17f092e4e83f39d38e2a0395dbc0642caaa2c36
[INFO] running `Command { std: "docker" "start" "-a" "08804e73a37d1dfb479b7fb5f17f092e4e83f39d38e2a0395dbc0642caaa2c36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling rand_core v0.4.2
[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 47.66s
[INFO] running `Command { std: "docker" "inspect" "08804e73a37d1dfb479b7fb5f17f092e4e83f39d38e2a0395dbc0642caaa2c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08804e73a37d1dfb479b7fb5f17f092e4e83f39d38e2a0395dbc0642caaa2c36", kill_on_drop: false }`
[INFO] [stdout] 08804e73a37d1dfb479b7fb5f17f092e4e83f39d38e2a0395dbc0642caaa2c36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fc8b7d35bd81780db03bdb69119025271342ac8595801ad8882644b0858ea59
[INFO] running `Command { std: "docker" "start" "-a" "5fc8b7d35bd81780db03bdb69119025271342ac8595801ad8882644b0858ea59", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashtag_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "5fc8b7d35bd81780db03bdb69119025271342ac8595801ad8882644b0858ea59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc8b7d35bd81780db03bdb69119025271342ac8595801ad8882644b0858ea59", kill_on_drop: false }`
[INFO] [stdout] 5fc8b7d35bd81780db03bdb69119025271342ac8595801ad8882644b0858ea59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c445001bc64a231b53b1592281c82eb1447ea94c919681fdd64430e5944d5f10
[INFO] running `Command { std: "docker" "start" "-a" "c445001bc64a231b53b1592281c82eb1447ea94c919681fdd64430e5944d5f10", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashtag_generator-7de96b097fea43b2)
[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" "c445001bc64a231b53b1592281c82eb1447ea94c919681fdd64430e5944d5f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c445001bc64a231b53b1592281c82eb1447ea94c919681fdd64430e5944d5f10", kill_on_drop: false }`
[INFO] [stdout] c445001bc64a231b53b1592281c82eb1447ea94c919681fdd64430e5944d5f10