[INFO] cloning repository https://github.com/taybart/hyperloglog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taybart/hyperloglog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaybart%2Fhyperloglog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaybart%2Fhyperloglog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94c8bf4d4ed339549c7b5c9c5999b25a818adafd
[INFO] testing taybart/hyperloglog against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaybart%2Fhyperloglog" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/taybart/hyperloglog
[INFO] finished tweaking git repo https://github.com/taybart/hyperloglog
[INFO] tweaked toml for git repo https://github.com/taybart/hyperloglog written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taybart/hyperloglog on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taybart/hyperloglog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0282a2f5c29a94c0ab95c68e02f3ad508dab9e1a09b5bd82e587b516778e4af
[INFO] running `Command { std: "docker" "start" "-a" "a0282a2f5c29a94c0ab95c68e02f3ad508dab9e1a09b5bd82e587b516778e4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0282a2f5c29a94c0ab95c68e02f3ad508dab9e1a09b5bd82e587b516778e4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0282a2f5c29a94c0ab95c68e02f3ad508dab9e1a09b5bd82e587b516778e4af", kill_on_drop: false }`
[INFO] [stdout] a0282a2f5c29a94c0ab95c68e02f3ad508dab9e1a09b5bd82e587b516778e4af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d8c86b10bed38f75ab92fa838189606023f023ccbd6ce4683b8bbc360ecd18
[INFO] running `Command { std: "docker" "start" "-a" "49d8c86b10bed38f75ab92fa838189606023f023ccbd6ce4683b8bbc360ecd18", kill_on_drop: false }`
[INFO] [stderr]    Compiling hyperloglog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `merge` is never used
[INFO] [stdout]    --> src/hll.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl HyperLogLog {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn merge(mut self, other: HyperLogLog) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "49d8c86b10bed38f75ab92fa838189606023f023ccbd6ce4683b8bbc360ecd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d8c86b10bed38f75ab92fa838189606023f023ccbd6ce4683b8bbc360ecd18", kill_on_drop: false }`
[INFO] [stdout] 49d8c86b10bed38f75ab92fa838189606023f023ccbd6ce4683b8bbc360ecd18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a6949ce67a157e450b70bb6f92ec7ec7d333007f459f28124a27691e963c7de
[INFO] running `Command { std: "docker" "start" "-a" "2a6949ce67a157e450b70bb6f92ec7ec7d333007f459f28124a27691e963c7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling hyperloglog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `merge` is never used
[INFO] [stdout]    --> src/hll.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl HyperLogLog {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn merge(mut self, other: HyperLogLog) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2a6949ce67a157e450b70bb6f92ec7ec7d333007f459f28124a27691e963c7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6949ce67a157e450b70bb6f92ec7ec7d333007f459f28124a27691e963c7de", kill_on_drop: false }`
[INFO] [stdout] 2a6949ce67a157e450b70bb6f92ec7ec7d333007f459f28124a27691e963c7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e0149bb458dcc2423398d3c84fa8383d0d5429213d22be4cbbe30083749a00d
[INFO] running `Command { std: "docker" "start" "-a" "0e0149bb458dcc2423398d3c84fa8383d0d5429213d22be4cbbe30083749a00d", kill_on_drop: false }`
[INFO] [stderr] warning: method `merge` is never used
[INFO] [stdout] 
[INFO] [stderr]    --> src/hll.rs:125:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stderr]  36 | impl HyperLogLog {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 125 |     pub fn merge(mut self, other: HyperLogLog) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hyperloglog` (bin "hyperloglog" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hyperloglog-e21e1ad666f045ab)
[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" "0e0149bb458dcc2423398d3c84fa8383d0d5429213d22be4cbbe30083749a00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0149bb458dcc2423398d3c84fa8383d0d5429213d22be4cbbe30083749a00d", kill_on_drop: false }`
[INFO] [stdout] 0e0149bb458dcc2423398d3c84fa8383d0d5429213d22be4cbbe30083749a00d