[INFO] fetching crate marx 0.0.3...
[INFO] testing marx-0.0.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate marx 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate marx 0.0.3
[INFO] finished tweaking crates.io crate marx 0.0.3
[INFO] tweaked toml for crates.io crate marx 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate marx 0.0.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5033d6f4ef05c9f0870031d7a64b6acaefe87a5841d6d5414fb522202cf6b33f
[INFO] running `Command { std: "docker" "start" "-a" "5033d6f4ef05c9f0870031d7a64b6acaefe87a5841d6d5414fb522202cf6b33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5033d6f4ef05c9f0870031d7a64b6acaefe87a5841d6d5414fb522202cf6b33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5033d6f4ef05c9f0870031d7a64b6acaefe87a5841d6d5414fb522202cf6b33f", kill_on_drop: false }`
[INFO] [stdout] 5033d6f4ef05c9f0870031d7a64b6acaefe87a5841d6d5414fb522202cf6b33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9cd6f7d108707c24bc7cdf54ac16ac5f0b5e4364774176e943236a16d3be16
[INFO] running `Command { std: "docker" "start" "-a" "3c9cd6f7d108707c24bc7cdf54ac16ac5f0b5e4364774176e943236a16d3be16", kill_on_drop: false }`
[INFO] [stderr]    Compiling marx v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     (unboosted.exp() - 1.)
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -     (unboosted.exp() - 1.)
[INFO] [stdout] 166 +     unboosted.exp() - 1.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "3c9cd6f7d108707c24bc7cdf54ac16ac5f0b5e4364774176e943236a16d3be16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9cd6f7d108707c24bc7cdf54ac16ac5f0b5e4364774176e943236a16d3be16", kill_on_drop: false }`
[INFO] [stdout] 3c9cd6f7d108707c24bc7cdf54ac16ac5f0b5e4364774176e943236a16d3be16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb64f4940e1e91ddb7da98d91d78c7ae6014f64f76ad888c7c966c56f3fa8d7
[INFO] running `Command { std: "docker" "start" "-a" "7eb64f4940e1e91ddb7da98d91d78c7ae6014f64f76ad888c7c966c56f3fa8d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling marx v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     (unboosted.exp() - 1.)
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -     (unboosted.exp() - 1.)
[INFO] [stdout] 166 +     unboosted.exp() - 1.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     (unboosted.exp() - 1.)
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout]  26 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -     (unboosted.exp() - 1.)
[INFO] [stdout] 166 +     unboosted.exp() - 1.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "7eb64f4940e1e91ddb7da98d91d78c7ae6014f64f76ad888c7c966c56f3fa8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb64f4940e1e91ddb7da98d91d78c7ae6014f64f76ad888c7c966c56f3fa8d7", kill_on_drop: false }`
[INFO] [stdout] 7eb64f4940e1e91ddb7da98d91d78c7ae6014f64f76ad888c7c966c56f3fa8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75b6b8d481b395224cce74908e4a371a3e6536cbfdf51c8f9cb1b09eaf798149
[INFO] running `Command { std: "docker" "start" "-a" "75b6b8d481b395224cce74908e4a371a3e6536cbfdf51c8f9cb1b09eaf798149", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     (unboosted.exp() - 1.)
[INFO] [stderr]     |     ^                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 166 -     (unboosted.exp() - 1.)
[INFO] [stderr] 166 +     unboosted.exp() - 1.
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `marx` (lib) generated 1 warning (run `cargo fix --lib -p marx` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     (unboosted.exp() - 1.)
[INFO] [stderr]     |     ^                    ^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:26:24
[INFO] [stderr]     |
[INFO] [stderr]  26 | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 166 -     (unboosted.exp() - 1.)
[INFO] [stderr] 166 +     unboosted.exp() - 1.
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `marx` (lib test) generated 1 warning (run `cargo fix --lib -p marx --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/marx-c1237be1571b6c58)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test high_percentiles ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests marx
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     (unboosted.exp() - 1.)
[INFO] [stderr]     |     ^                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 166 -     (unboosted.exp() - 1.)
[INFO] [stderr] 166 +     unboosted.exp() - 1.
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "75b6b8d481b395224cce74908e4a371a3e6536cbfdf51c8f9cb1b09eaf798149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b6b8d481b395224cce74908e4a371a3e6536cbfdf51c8f9cb1b09eaf798149", kill_on_drop: false }`
[INFO] [stdout] 75b6b8d481b395224cce74908e4a371a3e6536cbfdf51c8f9cb1b09eaf798149