[INFO] fetching crate roots 0.0.8...
[INFO] building roots-0.0.8 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate roots 0.0.8 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate roots 0.0.8
[INFO] finished tweaking crates.io crate roots 0.0.8
[INFO] tweaked toml for crates.io crate roots 0.0.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate roots 0.0.8 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dec6b1892dcecd63a3cff1c3dc7b8cd28b0df1b581bdc3a2fe30eb9ff8cb98a
[INFO] running `Command { std: "docker" "start" "-a" "1dec6b1892dcecd63a3cff1c3dc7b8cd28b0df1b581bdc3a2fe30eb9ff8cb98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dec6b1892dcecd63a3cff1c3dc7b8cd28b0df1b581bdc3a2fe30eb9ff8cb98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dec6b1892dcecd63a3cff1c3dc7b8cd28b0df1b581bdc3a2fe30eb9ff8cb98a", kill_on_drop: false }`
[INFO] [stdout] 1dec6b1892dcecd63a3cff1c3dc7b8cd28b0df1b581bdc3a2fe30eb9ff8cb98a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6309a16181686e19b8d98e2c518862c3fb494f9b147c976fe000ce3ff1e2e1ec
[INFO] running `Command { std: "docker" "start" "-a" "6309a16181686e19b8d98e2c518862c3fb494f9b147c976fe000ce3ff1e2e1ec", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling roots v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/numerical/polynom.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | trait Polynom<F>
[INFO] [stdout]    |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn to_string(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6309a16181686e19b8d98e2c518862c3fb494f9b147c976fe000ce3ff1e2e1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6309a16181686e19b8d98e2c518862c3fb494f9b147c976fe000ce3ff1e2e1ec", kill_on_drop: false }`
[INFO] [stdout] 6309a16181686e19b8d98e2c518862c3fb494f9b147c976fe000ce3ff1e2e1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6473e569003dfb16888e3b88fdc7d23be9dc07fe80d2d5cce7511516e108b1d1
[INFO] running `Command { std: "docker" "start" "-a" "6473e569003dfb16888e3b88fdc7d23be9dc07fe80d2d5cce7511516e108b1d1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/numerical/polynom.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | trait Polynom<F>
[INFO] [stdout]    |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn to_string(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling roots v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/numerical/polynom.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | trait Polynom<F>
[INFO] [stdout]    |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn to_string(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.20s
[INFO] running `Command { std: "docker" "inspect" "6473e569003dfb16888e3b88fdc7d23be9dc07fe80d2d5cce7511516e108b1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6473e569003dfb16888e3b88fdc7d23be9dc07fe80d2d5cce7511516e108b1d1", kill_on_drop: false }`
[INFO] [stdout] 6473e569003dfb16888e3b88fdc7d23be9dc07fe80d2d5cce7511516e108b1d1