[INFO] cloning repository https://github.com/pescuma/mfsb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pescuma/mfsb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpescuma%2Fmfsb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpescuma%2Fmfsb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4bf1720e9eac124c38640c9fc509c7345e1e7a1
[INFO] testing pescuma/mfsb against 1.79.0 for beta-1.80-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpescuma%2Fmfsb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pescuma/mfsb on toolchain 1.79.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.79.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pescuma/mfsb
[INFO] finished tweaking git repo https://github.com/pescuma/mfsb
[INFO] tweaked toml for git repo https://github.com/pescuma/mfsb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pescuma/mfsb 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" "+1.79.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secded v1.1.0
[INFO] [stderr]   Downloaded refinery v0.8.14
[INFO] [stderr]   Downloaded tiger v0.2.1
[INFO] [stderr]   Downloaded snap v1.1.1
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[INFO] [stderr]   Downloaded keyring v2.3.3
[INFO] [stderr]   Downloaded fastcdc v3.1.0
[INFO] [stderr]   Downloaded portable-atomic v1.3.3
[INFO] [stderr]   Downloaded rustix v0.36.16
[INFO] [stderr]   Downloaded brotlic-sys v0.2.1
[INFO] [stderr]   Downloaded zbus v3.11.0
[INFO] [stderr]   Downloaded libdeflate-sys v1.20.0
[INFO] [stderr]   Downloaded syn v2.0.0
[INFO] [stderr]   Downloaded hash-roll v0.3.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.7
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[INFO] [stderr]   Downloaded zbus_macros v3.11.0
[INFO] [stderr]   Downloaded human-repr v1.1.0
[INFO] [stderr]   Downloaded secret-service v3.0.1
[INFO] [stderr]   Downloaded divrem v1.0.0
[INFO] [stderr]   Downloaded linux-keyutils v0.2.3
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded async-recursion v1.0.2
[INFO] [stderr]   Downloaded zbus_names v2.5.0
[INFO] [stderr]   Downloaded libdeflater v1.20.0
[INFO] [stderr]   Downloaded siphasher v1.0.0
[INFO] [stderr]   Downloaded refinery-core v0.8.14
[INFO] [stderr]   Downloaded enumflags2 v0.7.7
[INFO] [stderr]   Downloaded zvariant_utils v1.0.0
[INFO] [stderr]   Downloaded zvariant_derive v3.12.0
[INFO] [stderr]   Downloaded uuid-macro-internal v1.3.0
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb25abf99e25f170d322427e73972a7b267dc37b55956772bf0afead40cbd43f
[INFO] running `Command { std: "docker" "start" "-a" "eb25abf99e25f170d322427e73972a7b267dc37b55956772bf0afead40cbd43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb25abf99e25f170d322427e73972a7b267dc37b55956772bf0afead40cbd43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb25abf99e25f170d322427e73972a7b267dc37b55956772bf0afead40cbd43f", kill_on_drop: false }`
[INFO] [stdout] eb25abf99e25f170d322427e73972a7b267dc37b55956772bf0afead40cbd43f
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ee8a692004ac3092e25db0d9bb3fe6989cf2b77353c2440dfb50dc5dc07f05e
[INFO] running `Command { std: "docker" "start" "-a" "7ee8a692004ac3092e25db0d9bb3fe6989cf2b77353c2440dfb50dc5dc07f05e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling console v0.15.8
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[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling raw-cpuid v11.0.1
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[INFO] [stderr]    Compiling argon2 v0.5.0
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[INFO] [stderr]    Compiling directories v5.0.1
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[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling lz4_flex v0.10.0
[INFO] [stderr]    Compiling cdc v0.1.1
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[INFO] [stderr]    Compiling divrem v1.0.0
[INFO] [stderr]    Compiling cdchunking v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.67
[INFO] [stderr]    Compiling enumflags2_derive v0.7.7
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[INFO] [stderr]    Compiling serde_repr v0.1.12
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling zvariant_derive v3.12.0
[INFO] [stderr]    Compiling uuid-macro-internal v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.27
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[INFO] [stderr]    Compiling zbus_macros v3.11.0
[INFO] [stderr]    Compiling async-recursion v1.0.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling refinery-core v0.8.14
[INFO] [stderr]    Compiling uuid v1.3.0
[INFO] [stderr]    Compiling bitbuffer_derive v0.10.0
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling libdeflater v1.20.0
[INFO] [stderr]    Compiling refinery-macros v0.8.14
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling bitbuffer v0.10.9
[INFO] [stderr]    Compiling rusqlite v0.28.0
[INFO] [stderr]    Compiling brotlic v0.8.2
[INFO] [stderr]    Compiling r2d2_sqlite v0.21.0
[INFO] [stderr]    Compiling zstd v0.13.1
[INFO] [stderr]    Compiling enumflags2 v0.7.7
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling zvariant v3.12.0
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling zbus_names v2.5.0
[INFO] [stderr]    Compiling zbus v3.11.0
[INFO] [stderr]    Compiling toml v0.8.8
[INFO] [stderr]    Compiling refinery v0.8.14
[INFO] [stderr]    Compiling secret-service v3.0.1
[INFO] [stderr]    Compiling keyring v2.3.3
[INFO] [stderr]    Compiling mfsb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `divrem`
[INFO] [stdout]  --> src/ecc/secded.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use divrem::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decompress` is never used
[INFO] [stdout]   --> src/compress/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | trait CompressorImpl: Send + Sync {
[INFO] [stdout]    |       -------------- method in this trait
[INFO] [stdout] 47 |     fn compress(&self, data: &[u8]) -> Result<Vec<u8>>;
[INFO] [stdout] 48 |     fn decompress(&self, data: &[u8], result_size: u32) -> Result<Vec<u8>>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_median` and `get_p90` are never used
[INFO] [stdout]   --> src/metrics.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ResponseTime {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_median(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_p90(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/pack/builder.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PackBuilder {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     start: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config_dir` and `data_dir` are never read
[INFO] [stdout]   --> src/workspace.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct WorkspaceData {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 51 |     config_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 52 |     data_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{Error, Result};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use flume::{Receiver, Sender};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "7ee8a692004ac3092e25db0d9bb3fe6989cf2b77353c2440dfb50dc5dc07f05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee8a692004ac3092e25db0d9bb3fe6989cf2b77353c2440dfb50dc5dc07f05e", kill_on_drop: false }`
[INFO] [stdout] 7ee8a692004ac3092e25db0d9bb3fe6989cf2b77353c2440dfb50dc5dc07f05e
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12609ac448c765dc395d623293f19259701bbe22036d352fa068fce65074d6d6
[INFO] running `Command { std: "docker" "start" "-a" "12609ac448c765dc395d623293f19259701bbe22036d352fa068fce65074d6d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mfsb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `divrem`
[INFO] [stdout]  --> src/ecc/secded.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use divrem::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decompress` is never used
[INFO] [stdout]   --> src/compress/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | trait CompressorImpl: Send + Sync {
[INFO] [stdout]    |       -------------- method in this trait
[INFO] [stdout] 47 |     fn compress(&self, data: &[u8]) -> Result<Vec<u8>>;
[INFO] [stdout] 48 |     fn decompress(&self, data: &[u8], result_size: u32) -> Result<Vec<u8>>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_median` and `get_p90` are never used
[INFO] [stdout]   --> src/metrics.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ResponseTime {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_median(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_p90(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/pack/builder.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PackBuilder {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     start: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config_dir` and `data_dir` are never read
[INFO] [stdout]   --> src/workspace.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct WorkspaceData {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 51 |     config_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 52 |     data_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{Error, Result};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use flume::{Receiver, Sender};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `divrem`
[INFO] [stdout]  --> src/ecc/secded.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use divrem::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ecc/secded.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         for i in 1..=100 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decompress` is never used
[INFO] [stdout]   --> src/compress/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | trait CompressorImpl: Send + Sync {
[INFO] [stdout]    |       -------------- method in this trait
[INFO] [stdout] 47 |     fn compress(&self, data: &[u8]) -> Result<Vec<u8>>;
[INFO] [stdout] 48 |     fn decompress(&self, data: &[u8], result_size: u32) -> Result<Vec<u8>>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_median` and `get_p90` are never used
[INFO] [stdout]   --> src/metrics.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ResponseTime {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_median(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_p90(&self) -> Duration {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/pack/builder.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PackBuilder {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     start: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config_dir` and `data_dir` are never read
[INFO] [stdout]   --> src/workspace.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct WorkspaceData {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 51 |     config_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 52 |     data_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "12609ac448c765dc395d623293f19259701bbe22036d352fa068fce65074d6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12609ac448c765dc395d623293f19259701bbe22036d352fa068fce65074d6d6", kill_on_drop: false }`
[INFO] [stdout] 12609ac448c765dc395d623293f19259701bbe22036d352fa068fce65074d6d6
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b3117b67887e3dbfac5744561602176eced9d8eb3ee4c4c0984b58031a5f58b
[INFO] running `Command { std: "docker" "start" "-a" "5b3117b67887e3dbfac5744561602176eced9d8eb3ee4c4c0984b58031a5f58b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `divrem`
[INFO] [stderr]  --> src/ecc/secded.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use divrem::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `decompress` is never used
[INFO] [stderr]   --> src/compress/mod.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | trait CompressorImpl: Send + Sync {
[INFO] [stderr]    |       -------------- method in this trait
[INFO] [stderr] 47 |     fn compress(&self, data: &[u8]) -> Result<Vec<u8>>;
[INFO] [stderr] 48 |     fn decompress(&self, data: &[u8], result_size: u32) -> Result<Vec<u8>>;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_median` and `get_p90` are never used
[INFO] [stderr]   --> src/metrics.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl ResponseTime {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn get_median(&self) -> Duration {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn get_p90(&self) -> Duration {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `start` is never read
[INFO] [stderr]   --> src/pack/builder.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct PackBuilder {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 23 |     start: Instant,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `config_dir` and `data_dir` are never read
[INFO] [stderr]   --> src/workspace.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct WorkspaceData {
[INFO] [stderr]    |        ------------- fields in this struct
[INFO] [stderr] 51 |     config_dir: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 52 |     data_dir: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/ecc/secded.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |         for i in 1..=100 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mfsb` (lib) generated 5 warnings
[INFO] [stderr] warning: `mfsb` (lib test) generated 6 warnings (5 duplicates)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/main.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | use anyhow::{Error, Result};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`
[INFO] [stderr]  --> src/main.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use flume::{Receiver, Sender};
[INFO] [stderr]   |             ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mfsb` (bin "mfsb" test) generated 2 warnings (run `cargo fix --bin "mfsb" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mfsb-d81dda10172b7013)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test ecc::secded::tests::round_trips_255 ... ok
[INFO] [stdout] test ecc::secded::tests::round_trips_growing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mfsb-22d0fef58f522657)
[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] [stderr]    Doc-tests mfsb
[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" "5b3117b67887e3dbfac5744561602176eced9d8eb3ee4c4c0984b58031a5f58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3117b67887e3dbfac5744561602176eced9d8eb3ee4c4c0984b58031a5f58b", kill_on_drop: false }`
[INFO] [stdout] 5b3117b67887e3dbfac5744561602176eced9d8eb3ee4c4c0984b58031a5f58b