[INFO] cloning repository https://github.com/smith61/async_prometheus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smith61/async_prometheus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith61%2Fasync_prometheus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith61%2Fasync_prometheus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7e94ae3b19ae01b7e08164c961e639daf8fa00a
[INFO] testing smith61/async_prometheus against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmith61%2Fasync_prometheus" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smith61/async_prometheus on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smith61/async_prometheus
[INFO] finished tweaking git repo https://github.com/smith61/async_prometheus
[INFO] tweaked toml for git repo https://github.com/smith61/async_prometheus written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/smith61/async_prometheus 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-rwlock v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb7cdb7fceec75d679d8620a165be5cd7baedf5b2071f874c88d7783acedb2c4
[INFO] running `Command { std: "docker" "start" "-a" "cb7cdb7fceec75d679d8620a165be5cd7baedf5b2071f874c88d7783acedb2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb7cdb7fceec75d679d8620a165be5cd7baedf5b2071f874c88d7783acedb2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7cdb7fceec75d679d8620a165be5cd7baedf5b2071f874c88d7783acedb2c4", kill_on_drop: false }`
[INFO] [stdout] cb7cdb7fceec75d679d8620a165be5cd7baedf5b2071f874c88d7783acedb2c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2733917819d49d59ea640cdb1dd11bebc16c8d9994f6c9f1724a687f6ed8b2
[INFO] running `Command { std: "docker" "start" "-a" "9d2733917819d49d59ea640cdb1dd11bebc16c8d9994f6c9f1724a687f6ed8b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-rwlock v1.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling async_prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]   --> src/lib.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]    |
[INFO] [stdout] 68 -         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stdout] 68 +         self.collectors.retain(|v| !std::ptr::addr_eq(Arc::as_ptr(v), Arc::as_ptr(collector)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `Command { std: "docker" "inspect" "9d2733917819d49d59ea640cdb1dd11bebc16c8d9994f6c9f1724a687f6ed8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2733917819d49d59ea640cdb1dd11bebc16c8d9994f6c9f1724a687f6ed8b2", kill_on_drop: false }`
[INFO] [stdout] 9d2733917819d49d59ea640cdb1dd11bebc16c8d9994f6c9f1724a687f6ed8b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b59fd3752cae27edaf84549f81c450088a3244e0128f4567ed7776094c38e60
[INFO] running `Command { std: "docker" "start" "-a" "4b59fd3752cae27edaf84549f81c450088a3244e0128f4567ed7776094c38e60", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]   --> src/lib.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]    |
[INFO] [stdout] 68 -         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stdout] 68 +         self.collectors.retain(|v| !std::ptr::addr_eq(Arc::as_ptr(v), Arc::as_ptr(collector)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]   --> src/lib.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]    |
[INFO] [stdout] 68 -         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stdout] 68 +         self.collectors.retain(|v| !std::ptr::addr_eq(Arc::as_ptr(v), Arc::as_ptr(collector)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4b59fd3752cae27edaf84549f81c450088a3244e0128f4567ed7776094c38e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b59fd3752cae27edaf84549f81c450088a3244e0128f4567ed7776094c38e60", kill_on_drop: false }`
[INFO] [stdout] 4b59fd3752cae27edaf84549f81c450088a3244e0128f4567ed7776094c38e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ec5bc5ebf5a597b45bbf0b449c2cdc0facec57d804bbfe14730848add71bd77
[INFO] running `Command { std: "docker" "start" "-a" "2ec5bc5ebf5a597b45bbf0b449c2cdc0facec57d804bbfe14730848add71bd77", kill_on_drop: false }`
[INFO] [stderr] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stderr]   --> src/lib.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stderr] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stderr]    |
[INFO] [stderr] 68 -         self.collectors.retain(|v| Arc::as_ptr(v) != Arc::as_ptr(collector));
[INFO] [stderr] 68 +         self.collectors.retain(|v| !std::ptr::addr_eq(Arc::as_ptr(v), Arc::as_ptr(collector)));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `async_prometheus` (lib) generated 1 warning
[INFO] [stderr] warning: `async_prometheus` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_prometheus-35928e66457b2ce5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test utils::test::test_escaped_string ... ok
[INFO] [stdout] test utils::test::test_is_valid_ident ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_prometheus
[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" "2ec5bc5ebf5a597b45bbf0b449c2cdc0facec57d804bbfe14730848add71bd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec5bc5ebf5a597b45bbf0b449c2cdc0facec57d804bbfe14730848add71bd77", kill_on_drop: false }`
[INFO] [stdout] 2ec5bc5ebf5a597b45bbf0b449c2cdc0facec57d804bbfe14730848add71bd77