[INFO] fetching crate reqray 0.4.3...
[INFO] testing reqray-0.4.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate reqray 0.4.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate reqray 0.4.3
[INFO] finished tweaking crates.io crate reqray 0.4.3
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[INFO] validating manifest of crates.io crate reqray 0.4.3 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] crate crates.io crate reqray 0.4.3 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea45a926c0d3da22b91a86dc35429ecf44ca3ff54ebeece7e6c9d1fec01bf048
[INFO] running `Command { std: "docker" "start" "-a" "ea45a926c0d3da22b91a86dc35429ecf44ca3ff54ebeece7e6c9d1fec01bf048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea45a926c0d3da22b91a86dc35429ecf44ca3ff54ebeece7e6c9d1fec01bf048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea45a926c0d3da22b91a86dc35429ecf44ca3ff54ebeece7e6c9d1fec01bf048", kill_on_drop: false }`
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[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=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] 4e8628c8fd039bbade8c16ea4ad823d5f90d9e3c9b8b604aa13081cd8af55045
[INFO] running `Command { std: "docker" "start" "-a" "4e8628c8fd039bbade8c16ea4ad823d5f90d9e3c9b8b604aa13081cd8af55045", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/internal.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |             let mut per_thread = timing_info
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] running `Command { std: "docker" "inspect" "4e8628c8fd039bbade8c16ea4ad823d5f90d9e3c9b8b604aa13081cd8af55045", kill_on_drop: false }`
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[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=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 }`
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[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling pin-project v1.0.10
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/internal.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |             let mut per_thread = timing_info
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling reqray v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/internal.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |             let mut per_thread = timing_info
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 36.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "afbef13b83958ff32442130c83886767215b8f735f30684831979a353a5e8311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbef13b83958ff32442130c83886767215b8f735f30684831979a353a5e8311", kill_on_drop: false }`
[INFO] [stdout] afbef13b83958ff32442130c83886767215b8f735f30684831979a353a5e8311
[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=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] f65498a7c56e5a6bb72664a18ec3f4e90980eadb484ac887823afb69a204710a
[INFO] running `Command { std: "docker" "start" "-a" "f65498a7c56e5a6bb72664a18ec3f4e90980eadb484ac887823afb69a204710a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/internal.rs:257:17
[INFO] [stderr]     |
[INFO] [stderr] 257 |             let mut per_thread = timing_info
[INFO] [stderr]     |                 ----^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `reqray` (lib) generated 1 warning (run `cargo fix --lib -p reqray` to apply 1 suggestion)
[INFO] [stderr] warning: `reqray` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reqray-b5fe7363b874deba)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test display::test::display_one_ns ... ok
[INFO] [stdout] test display::test::display_compound_call ... ok
[INFO] [stdout] test internal::test::test_simple ... ok
[INFO] [stdout] test display::test::display_nest_deeply ... ok
[INFO] [stdout] test internal::test::test_compound ... ok
[INFO] [stdout]  INFO ThreadId(14) cooking_party: CP increment 1_000_000
[INFO] [stdout]  INFO ThreadId(14) cooking_party:cook_three: increment 10_000
[INFO] [stdout]  INFO ThreadId(20) cooking_party:eat_three: increment 1_000
[INFO] [stdout]  INFO ThreadId(14) cooking_party:cook_three: increment 10_000
[INFO] [stdout]  INFO ThreadId(20) cooking_party:eat_three: increment 1_000
[INFO] [stdout]  INFO ThreadId(14) cooking_party:cook_three: increment 10_000
[INFO] [stdout]  INFO ThreadId(05) cooking_party: CP increment 1_000_000
[INFO] [stdout]  INFO ThreadId(05) cooking_party:cook_three: increment 10_000
[INFO] [stdout]  INFO ThreadId(20) cooking_party:eat_three: increment 1_000
[INFO] [stdout]  INFO ThreadId(23) cooking_party:eat_three: increment 1_000
[INFO] [stdout]  INFO ThreadId(14) cooking_party: CP increment 100_000_000
[INFO] [stdout] test internal::test::test_with_futures ... ok
[INFO] [stdout]  INFO ThreadId(05) cooking_party:cook_three: increment 10_000
[INFO] [stdout]  INFO ThreadId(05) cooking_party:cook_three: increment 10_000
[INFO] [stdout]  INFO ThreadId(23) cooking_party:eat_three: increment 1_000
[INFO] [stdout]  INFO ThreadId(23) cooking_party:eat_three: increment 1_000
[INFO] [stdout]  INFO ThreadId(05) cooking_party: CP increment 100_000_000
[INFO] [stdout] test display::test::display_with_futures ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reqray
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - CallTreeCollectorBuilder (line 147) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f65498a7c56e5a6bb72664a18ec3f4e90980eadb484ac887823afb69a204710a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65498a7c56e5a6bb72664a18ec3f4e90980eadb484ac887823afb69a204710a", kill_on_drop: false }`
[INFO] [stdout] f65498a7c56e5a6bb72664a18ec3f4e90980eadb484ac887823afb69a204710a