[INFO] fetching crate gpo 0.0.2...
[INFO] testing gpo-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate gpo 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate gpo 0.0.2
[INFO] finished tweaking crates.io crate gpo 0.0.2
[INFO] tweaked toml for crates.io crate gpo 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gpo 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gpo 0.0.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db0ab47e5eb04f84857c5f6232b1e25d7d3076536fc489be5547c076b0ead1c9
[INFO] running `Command { std: "docker" "start" "-a" "db0ab47e5eb04f84857c5f6232b1e25d7d3076536fc489be5547c076b0ead1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db0ab47e5eb04f84857c5f6232b1e25d7d3076536fc489be5547c076b0ead1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0ab47e5eb04f84857c5f6232b1e25d7d3076536fc489be5547c076b0ead1c9", kill_on_drop: false }`
[INFO] [stdout] db0ab47e5eb04f84857c5f6232b1e25d7d3076536fc489be5547c076b0ead1c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7ca3c333d5630335da583d1866595c539bf86e58ede53a15e544b859ab0cd6e
[INFO] running `Command { std: "docker" "start" "-a" "b7ca3c333d5630335da583d1866595c539bf86e58ede53a15e544b859ab0cd6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling gpo v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `swarm_size` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Population {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 86 |     dimensions: Vec<(&'static str, f64, f64)>,
[INFO] [stdout] 87 |     swarm_size: usize,
[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 2.76s
[INFO] running `Command { std: "docker" "inspect" "b7ca3c333d5630335da583d1866595c539bf86e58ede53a15e544b859ab0cd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ca3c333d5630335da583d1866595c539bf86e58ede53a15e544b859ab0cd6e", kill_on_drop: false }`
[INFO] [stdout] b7ca3c333d5630335da583d1866595c539bf86e58ede53a15e544b859ab0cd6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce66c56b61727f9180b225ecfb6f6c9eda2daabc81a65180103e17e081299ae5
[INFO] running `Command { std: "docker" "start" "-a" "ce66c56b61727f9180b225ecfb6f6c9eda2daabc81a65180103e17e081299ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling gpo v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `swarm_size` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Population {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 86 |     dimensions: Vec<(&'static str, f64, f64)>,
[INFO] [stdout] 87 |     swarm_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `swarm_size` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Population {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 86 |     dimensions: Vec<(&'static str, f64, f64)>,
[INFO] [stdout] 87 |     swarm_size: usize,
[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 0.49s
[INFO] running `Command { std: "docker" "inspect" "ce66c56b61727f9180b225ecfb6f6c9eda2daabc81a65180103e17e081299ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce66c56b61727f9180b225ecfb6f6c9eda2daabc81a65180103e17e081299ae5", kill_on_drop: false }`
[INFO] [stdout] ce66c56b61727f9180b225ecfb6f6c9eda2daabc81a65180103e17e081299ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff5971538749ce7cf5482683383debda67bba4b5c2acd069b40e205bf5e91178
[INFO] running `Command { std: "docker" "start" "-a" "ff5971538749ce7cf5482683383debda67bba4b5c2acd069b40e205bf5e91178", kill_on_drop: false }`
[INFO] [stderr] warning: field `swarm_size` is never read
[INFO] [stderr]   --> src/lib.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub struct Population {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 86 |     dimensions: Vec<(&'static str, f64, f64)>,
[INFO] [stderr] 87 |     swarm_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gpo` (lib) generated 1 warning
[INFO] [stderr] warning: `gpo` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gpo-950cb00b5cffd566)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gpo-3f85422631214627)
[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] [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 gpo
[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" "ff5971538749ce7cf5482683383debda67bba4b5c2acd069b40e205bf5e91178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5971538749ce7cf5482683383debda67bba4b5c2acd069b40e205bf5e91178", kill_on_drop: false }`
[INFO] [stdout] ff5971538749ce7cf5482683383debda67bba4b5c2acd069b40e205bf5e91178