[INFO] fetching crate fcdb-tools 0.1.0...
[INFO] testing fcdb-tools-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fcdb-tools 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fcdb-tools 0.1.0
[INFO] finished tweaking crates.io crate fcdb-tools 0.1.0
[INFO] tweaked toml for crates.io crate fcdb-tools 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fcdb-tools 0.1.0 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] crate crates.io crate fcdb-tools 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded bloom v0.3.2
[INFO] [stderr]   Downloaded fcdb-core v0.1.1
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded simba v0.6.0
[INFO] [stderr]   Downloaded fcdb-cas v0.1.0
[INFO] [stderr]   Downloaded fcdb-graph v0.1.0
[INFO] [stderr]   Downloaded dummy v0.8.0
[INFO] [stderr]   Downloaded fake v2.10.0
[INFO] [stderr]   Downloaded regex v1.12.1
[INFO] [stderr]   Downloaded nalgebra v0.29.0
[INFO] [stderr]   Downloaded statrs v0.16.1
[INFO] [stderr]   Downloaded regex-syntax v0.8.7
[INFO] [stderr]   Downloaded regex-automata v0.4.12
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51d421b3a98c50d8cbf439548df4c4adc43f2e48ab970e7bfc5eed063f3ea4b6
[INFO] running `Command { std: "docker" "start" "-a" "51d421b3a98c50d8cbf439548df4c4adc43f2e48ab970e7bfc5eed063f3ea4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51d421b3a98c50d8cbf439548df4c4adc43f2e48ab970e7bfc5eed063f3ea4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d421b3a98c50d8cbf439548df4c4adc43f2e48ab970e7bfc5eed063f3ea4b6", kill_on_drop: false }`
[INFO] [stdout] 51d421b3a98c50d8cbf439548df4c4adc43f2e48ab970e7bfc5eed063f3ea4b6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da1babf5399b34f3902e347c610012bff5f255378ccd6c5562127fce6169730
[INFO] running `Command { std: "docker" "start" "-a" "0da1babf5399b34f3902e347c610012bff5f255378ccd6c5562127fce6169730", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling anstyle v1.0.13
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[INFO] [stderr]    Compiling anstream v0.6.21
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[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
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[INFO] [stderr]    Compiling num-complex v0.4.6
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[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.7
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[INFO] [stderr]    Compiling bloom v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling regex-automata v0.4.12
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[INFO] [stderr]    Compiling darling_core v0.20.11
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[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
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[INFO] [stderr]    Compiling regex v1.12.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling dummy v0.8.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling fcdb-core v0.1.1
[INFO] [stderr]    Compiling fake v2.10.0
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling fcdb-cas v0.1.0
[INFO] [stderr]    Compiling fcdb-graph v0.1.0
[INFO] [stderr]    Compiling statrs v0.16.1
[INFO] [stderr]    Compiling fcdb-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing::{info, warn};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut graph = graph.write().await;
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let mut graph = graph.write().await;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for i in 0..config.num_operations {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lib.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let result = graph.traverse(start_node, None, 3, None).await?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "0da1babf5399b34f3902e347c610012bff5f255378ccd6c5562127fce6169730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da1babf5399b34f3902e347c610012bff5f255378ccd6c5562127fce6169730", kill_on_drop: false }`
[INFO] [stdout] 0da1babf5399b34f3902e347c610012bff5f255378ccd6c5562127fce6169730
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a70ba7db10f088a234dc1322ed7e3acf80ad97db94992d8633e2e91420785f6e
[INFO] running `Command { std: "docker" "start" "-a" "a70ba7db10f088a234dc1322ed7e3acf80ad97db94992d8633e2e91420785f6e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing::{info, warn};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut graph = graph.write().await;
[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 fcdb-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let mut graph = graph.write().await;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for i in 0..config.num_operations {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lib.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let result = graph.traverse(start_node, None, 3, None).await?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tempfile`
[INFO] [stdout]    --> src/lib.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |     use tempfile::tempdir;
[INFO] [stdout]     |         ^^^^^^^^ use of unresolved module or unlinked crate `tempfile`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `tempfile`, use `cargo add tempfile` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing::{info, warn};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut graph = graph.write().await;
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let mut graph = graph.write().await;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for i in 0..config.num_operations {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lib.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let result = graph.traverse(start_node, None, 3, None).await?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fcdb-tools` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a70ba7db10f088a234dc1322ed7e3acf80ad97db94992d8633e2e91420785f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70ba7db10f088a234dc1322ed7e3acf80ad97db94992d8633e2e91420785f6e", kill_on_drop: false }`
[INFO] [stdout] a70ba7db10f088a234dc1322ed7e3acf80ad97db94992d8633e2e91420785f6e
