[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 try#b83b707f97d809763b7861afa7638871f3339a33 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taybart/hyperloglog on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8751e6e03826afb99e0f2841704d49a8833ac2f577f6d9c207e5e9386a3b25ae
[INFO] running `Command { std: "docker" "start" "-a" "8751e6e03826afb99e0f2841704d49a8833ac2f577f6d9c207e5e9386a3b25ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8751e6e03826afb99e0f2841704d49a8833ac2f577f6d9c207e5e9386a3b25ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8751e6e03826afb99e0f2841704d49a8833ac2f577f6d9c207e5e9386a3b25ae", kill_on_drop: false }`
[INFO] [stdout] 8751e6e03826afb99e0f2841704d49a8833ac2f577f6d9c207e5e9386a3b25ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d2273e81d5d0322894902fbae6774d90e57b2c113c7512f98eb644a11b178f
[INFO] running `Command { std: "docker" "start" "-a" "61d2273e81d5d0322894902fbae6774d90e57b2c113c7512f98eb644a11b178f", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "61d2273e81d5d0322894902fbae6774d90e57b2c113c7512f98eb644a11b178f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d2273e81d5d0322894902fbae6774d90e57b2c113c7512f98eb644a11b178f", kill_on_drop: false }`
[INFO] [stdout] 61d2273e81d5d0322894902fbae6774d90e57b2c113c7512f98eb644a11b178f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49fd4e822c6d9c14be9a4fbab006331d6df3b58ec0db3b501098d4dcb51b3f27
[INFO] running `Command { std: "docker" "start" "-a" "49fd4e822c6d9c14be9a4fbab006331d6df3b58ec0db3b501098d4dcb51b3f27", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "49fd4e822c6d9c14be9a4fbab006331d6df3b58ec0db3b501098d4dcb51b3f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fd4e822c6d9c14be9a4fbab006331d6df3b58ec0db3b501098d4dcb51b3f27", kill_on_drop: false }`
[INFO] [stdout] 49fd4e822c6d9c14be9a4fbab006331d6df3b58ec0db3b501098d4dcb51b3f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 550b8f8aff9c6a2dd365467dbfbe40d3af47dce35c7e30b9ca203e712f1745f0
[INFO] running `Command { std: "docker" "start" "-a" "550b8f8aff9c6a2dd365467dbfbe40d3af47dce35c7e30b9ca203e712f1745f0", kill_on_drop: false }`
[INFO] [stderr] warning: method `merge` is never used
[INFO] [stderr]    --> src/hll.rs:125:12
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hyperloglog-e21e1ad666f045ab)
[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" "550b8f8aff9c6a2dd365467dbfbe40d3af47dce35c7e30b9ca203e712f1745f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550b8f8aff9c6a2dd365467dbfbe40d3af47dce35c7e30b9ca203e712f1745f0", kill_on_drop: false }`
[INFO] [stdout] 550b8f8aff9c6a2dd365467dbfbe40d3af47dce35c7e30b9ca203e712f1745f0