[INFO] fetching crate iron_rose 0.1.1...
[INFO] testing iron_rose-0.1.1 against master#c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af for pr-154756
[INFO] extracting crate iron_rose 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate iron_rose 0.1.1
[INFO] finished tweaking crates.io crate iron_rose 0.1.1
[INFO] tweaked toml for crates.io crate iron_rose 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iron_rose 0.1.1 on toolchain c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.23.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xoroshiro128 v0.3.0
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded fasthash v0.4.0
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[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded ryu v1.0.23
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded criterion v0.3.6
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[INFO] [stderr]   Downloaded fasthash-sys v0.3.2
[INFO] [stderr]   Downloaded csv v1.4.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4231692dedf9551566ce296ac98b7d44f83ede66ec93eee85db534d669db17b
[INFO] running `Command { std: "docker" "start" "-a" "a4231692dedf9551566ce296ac98b7d44f83ede66ec93eee85db534d669db17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4231692dedf9551566ce296ac98b7d44f83ede66ec93eee85db534d669db17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4231692dedf9551566ce296ac98b7d44f83ede66ec93eee85db534d669db17b", kill_on_drop: false }`
[INFO] [stdout] a4231692dedf9551566ce296ac98b7d44f83ede66ec93eee85db534d669db17b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb74a18d537910b91a21215c2528923ad8d95dc001322e955d024188c5e6aece
[INFO] running `Command { std: "docker" "start" "-a" "eb74a18d537910b91a21215c2528923ad8d95dc001322e955d024188c5e6aece", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling fasthash v0.4.0
[INFO] [stderr]    Compiling iron_rose v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/strata_estimator.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.ibfs[(trailing as usize % len)].encode(new_elm);
[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] 47 -         self.ibfs[(trailing as usize % len)].encode(new_elm);
[INFO] [stdout] 47 +         self.ibfs[trailing as usize % len ].encode(new_elm);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "eb74a18d537910b91a21215c2528923ad8d95dc001322e955d024188c5e6aece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb74a18d537910b91a21215c2528923ad8d95dc001322e955d024188c5e6aece", kill_on_drop: false }`
[INFO] [stdout] eb74a18d537910b91a21215c2528923ad8d95dc001322e955d024188c5e6aece
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffb90b1b0c79c67e9aa3681faed74589bea1c16fb05489677572f22ff5ca1a5b
[INFO] running `Command { std: "docker" "start" "-a" "ffb90b1b0c79c67e9aa3681faed74589bea1c16fb05489677572f22ff5ca1a5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/strata_estimator.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.ibfs[(trailing as usize % len)].encode(new_elm);
[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] 47 -         self.ibfs[(trailing as usize % len)].encode(new_elm);
[INFO] [stdout] 47 +         self.ibfs[trailing as usize % len ].encode(new_elm);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling iron_rose v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/strata_estimator.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.ibfs[(trailing as usize % len)].encode(new_elm);
[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] 47 -         self.ibfs[(trailing as usize % len)].encode(new_elm);
[INFO] [stdout] 47 +         self.ibfs[trailing as usize % len ].encode(new_elm);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.94s
[INFO] running `Command { std: "docker" "inspect" "ffb90b1b0c79c67e9aa3681faed74589bea1c16fb05489677572f22ff5ca1a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb90b1b0c79c67e9aa3681faed74589bea1c16fb05489677572f22ff5ca1a5b", kill_on_drop: false }`
[INFO] [stdout] ffb90b1b0c79c67e9aa3681faed74589bea1c16fb05489677572f22ff5ca1a5b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bed8d87ea83dc42d69fecc47e5b2f1d23e86dc808726359792e84cc457e7cab
[INFO] running `Command { std: "docker" "start" "-a" "2bed8d87ea83dc42d69fecc47e5b2f1d23e86dc808726359792e84cc457e7cab", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/strata_estimator.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.ibfs[(trailing as usize % len)].encode(new_elm);
[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] 47 -         self.ibfs[(trailing as usize % len)].encode(new_elm);
[INFO] [stderr] 47 +         self.ibfs[trailing as usize % len ].encode(new_elm);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `iron_rose` (lib) generated 1 warning (run `cargo fix --lib -p iron_rose` to apply 1 suggestion)
[INFO] [stderr] warning: `iron_rose` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iron_rose-8c1af7ad9839554d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test cell::tests::impure ... ok
[INFO] [stdout] test cell::tests::impure_disjoint ... ok
[INFO] [stdout] test cell::tests::round_trip ... ok
[INFO] [stdout] test cell::tests::subtract ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test strata_estimator::test::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iron_rose
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/strata_estimator.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.ibfs[(trailing as usize % len)].encode(new_elm);
[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] 47 -         self.ibfs[(trailing as usize % len)].encode(new_elm);
[INFO] [stderr] 47 +         self.ibfs[trailing as usize % len ].encode(new_elm);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/strata_estimator.rs - strata_estimator::StrataEstimator (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/ibf.rs - ibf::IBF (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2bed8d87ea83dc42d69fecc47e5b2f1d23e86dc808726359792e84cc457e7cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bed8d87ea83dc42d69fecc47e5b2f1d23e86dc808726359792e84cc457e7cab", kill_on_drop: false }`
[INFO] [stdout] 2bed8d87ea83dc42d69fecc47e5b2f1d23e86dc808726359792e84cc457e7cab