[INFO] fetching crate ringmaster 0.10.1...
[INFO] testing ringmaster-0.10.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ringmaster 0.10.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ringmaster 0.10.1
[INFO] finished tweaking crates.io crate ringmaster 0.10.1
[INFO] tweaked toml for crates.io crate ringmaster 0.10.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringmaster 0.10.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12404bdc47d6806adb8ec2904a644254d7ee14ae871bfef5b28d37ef375e504f
[INFO] running `Command { std: "docker" "start" "-a" "12404bdc47d6806adb8ec2904a644254d7ee14ae871bfef5b28d37ef375e504f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12404bdc47d6806adb8ec2904a644254d7ee14ae871bfef5b28d37ef375e504f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12404bdc47d6806adb8ec2904a644254d7ee14ae871bfef5b28d37ef375e504f", kill_on_drop: false }`
[INFO] [stdout] 12404bdc47d6806adb8ec2904a644254d7ee14ae871bfef5b28d37ef375e504f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f57cc5d0992bb521b53c2f4e092e2a8d037182c0a3db9570cbd9ff45de8c155
[INFO] running `Command { std: "docker" "start" "-a" "2f57cc5d0992bb521b53c2f4e092e2a8d037182c0a3db9570cbd9ff45de8c155", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringmaster v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::macros::*`
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub use crate::utils::macros::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "2f57cc5d0992bb521b53c2f4e092e2a8d037182c0a3db9570cbd9ff45de8c155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f57cc5d0992bb521b53c2f4e092e2a8d037182c0a3db9570cbd9ff45de8c155", kill_on_drop: false }`
[INFO] [stdout] 2f57cc5d0992bb521b53c2f4e092e2a8d037182c0a3db9570cbd9ff45de8c155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b398b85ac7de5e392176c5fcef39df496faa88c45c38167d19d21aaa4cc00c53
[INFO] running `Command { std: "docker" "start" "-a" "b398b85ac7de5e392176c5fcef39df496faa88c45c38167d19d21aaa4cc00c53", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::utils::macros::*`
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub use crate::utils::macros::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ringmaster v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::macros::*`
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub use crate::utils::macros::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "b398b85ac7de5e392176c5fcef39df496faa88c45c38167d19d21aaa4cc00c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b398b85ac7de5e392176c5fcef39df496faa88c45c38167d19d21aaa4cc00c53", kill_on_drop: false }`
[INFO] [stdout] b398b85ac7de5e392176c5fcef39df496faa88c45c38167d19d21aaa4cc00c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a442f623c8121f3e32c48f0b11f1f410b7f4ac18ecdcfbf49780ca7e5d06c3f
[INFO] running `Command { std: "docker" "start" "-a" "8a442f623c8121f3e32c48f0b11f1f410b7f4ac18ecdcfbf49780ca7e5d06c3f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::utils::macros::*`
[INFO] [stderr]   --> src/lib.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub use crate::utils::macros::*;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ringmaster` (lib) generated 1 warning (run `cargo fix --lib -p ringmaster` to apply 1 suggestion)
[INFO] [stderr] warning: `ringmaster` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ringmaster-5bd2e5af3e029a41)
[INFO] [stderr]      Running tests/ring.rs (/opt/rustwide/target/debug/deps/ring-93a0a13d3350dd91)
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] test lifo_push_pop ... ok
[INFO] [stdout] test mode ... ok
[INFO] [stdout] test peek ... ok
[INFO] [stdout] test snapshot ... ok
[INFO] [stdout] test push_pop ... ok
[INFO] [stdout] test snapshot_raw ... ok
[INFO] [stdout] test with_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/timeseries.rs (/opt/rustwide/target/debug/deps/timeseries-927e7c5b93ec8121)
[INFO] [stderr]    Doc-tests ringmaster
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test timeseries ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "8a442f623c8121f3e32c48f0b11f1f410b7f4ac18ecdcfbf49780ca7e5d06c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a442f623c8121f3e32c48f0b11f1f410b7f4ac18ecdcfbf49780ca7e5d06c3f", kill_on_drop: false }`
[INFO] [stdout] 8a442f623c8121f3e32c48f0b11f1f410b7f4ac18ecdcfbf49780ca7e5d06c3f