[INFO] fetching crate numerilib 0.1.2...
[INFO] checking numerilib-0.1.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate numerilib 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate numerilib 0.1.2
[INFO] finished tweaking crates.io crate numerilib 0.1.2
[INFO] tweaked toml for crates.io crate numerilib 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate numerilib 0.1.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abe2812895807ed74ed44ab11fabf4e4bcbc60151e7e12016f3f352f1a55c856
[INFO] running `Command { std: "docker" "start" "-a" "abe2812895807ed74ed44ab11fabf4e4bcbc60151e7e12016f3f352f1a55c856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abe2812895807ed74ed44ab11fabf4e4bcbc60151e7e12016f3f352f1a55c856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe2812895807ed74ed44ab11fabf4e4bcbc60151e7e12016f3f352f1a55c856", kill_on_drop: false }`
[INFO] [stdout] abe2812895807ed74ed44ab11fabf4e4bcbc60151e7e12016f3f352f1a55c856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89b500da25eb8cbda02779de5b8fc5bc7fd2d8ca13acce4de82a402b59d35482
[INFO] running `Command { std: "docker" "start" "-a" "89b500da25eb8cbda02779de5b8fc5bc7fd2d8ca13acce4de82a402b59d35482", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking numerilib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `assert_approx_eq::assert_approx_eq`
[INFO] [stdout]  --> tests/statistics_tests/generic_statistics_tests/list_test2.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use assert_approx_eq::assert_approx_eq;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/functions_tests/basic_functions_tests/product_tests.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let constant = |x: f64| 3_f64;
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/functions_tests/basic_functions_tests/summation_tests.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let constant = |x: f64| 3_f64;
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trials`
[INFO] [stdout]   --> tests/statistics_tests/distribution_tests/geometric_distribution_tests/geometric_trials_tests/geometric_trials_sd_tests.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let trials = 15_f64;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_trials`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "89b500da25eb8cbda02779de5b8fc5bc7fd2d8ca13acce4de82a402b59d35482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b500da25eb8cbda02779de5b8fc5bc7fd2d8ca13acce4de82a402b59d35482", kill_on_drop: false }`
[INFO] [stdout] 89b500da25eb8cbda02779de5b8fc5bc7fd2d8ca13acce4de82a402b59d35482