[INFO] fetching crate sqrt-rs 0.1.0...
[INFO] testing sqrt-rs-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate sqrt-rs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sqrt-rs 0.1.0
[INFO] finished tweaking crates.io crate sqrt-rs 0.1.0
[INFO] tweaked toml for crates.io crate sqrt-rs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sqrt-rs 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8edf760b61d90474191c3818a52e494d5768ed26bbaf1e7de4b50087644225ea
[INFO] running `Command { std: "docker" "start" "-a" "8edf760b61d90474191c3818a52e494d5768ed26bbaf1e7de4b50087644225ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8edf760b61d90474191c3818a52e494d5768ed26bbaf1e7de4b50087644225ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edf760b61d90474191c3818a52e494d5768ed26bbaf1e7de4b50087644225ea", kill_on_drop: false }`
[INFO] [stdout] 8edf760b61d90474191c3818a52e494d5768ed26bbaf1e7de4b50087644225ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2684cc12a45e9b112df5a89750dad270341b6dbd4d226490c6f66980fdd56daa
[INFO] running `Command { std: "docker" "start" "-a" "2684cc12a45e9b112df5a89750dad270341b6dbd4d226490c6f66980fdd56daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling sqrt-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `N` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const N: f32 = 0.1428571428571428571428571428571; //I Don't Know What This Do BTW
[INFO] [stdout]   |       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton_sqrt` is never used
[INFO] [stdout]   --> src/lib.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn newton_sqrt(x: f32, n: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "2684cc12a45e9b112df5a89750dad270341b6dbd4d226490c6f66980fdd56daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2684cc12a45e9b112df5a89750dad270341b6dbd4d226490c6f66980fdd56daa", kill_on_drop: false }`
[INFO] [stdout] 2684cc12a45e9b112df5a89750dad270341b6dbd4d226490c6f66980fdd56daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c43872b091687fad67dabd5a5ab899f748ad9be4ff57e6e5e13de8907657d661
[INFO] running `Command { std: "docker" "start" "-a" "c43872b091687fad67dabd5a5ab899f748ad9be4ff57e6e5e13de8907657d661", kill_on_drop: false }`
[INFO] [stdout] warning: constant `N` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const N: f32 = 0.1428571428571428571428571428571; //I Don't Know What This Do BTW
[INFO] [stdout]   |       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sqrt-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `newton_sqrt` is never used
[INFO] [stdout]   --> src/lib.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn newton_sqrt(x: f32, n: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `N` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const N: f32 = 0.1428571428571428571428571428571; //I Don't Know What This Do BTW
[INFO] [stdout]   |       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c43872b091687fad67dabd5a5ab899f748ad9be4ff57e6e5e13de8907657d661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43872b091687fad67dabd5a5ab899f748ad9be4ff57e6e5e13de8907657d661", kill_on_drop: false }`
[INFO] [stdout] c43872b091687fad67dabd5a5ab899f748ad9be4ff57e6e5e13de8907657d661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a74069016643d1e0b2d684e0a55ecf7256d040dc2d718f8428f1790a87d22bd
[INFO] running `Command { std: "docker" "start" "-a" "3a74069016643d1e0b2d684e0a55ecf7256d040dc2d718f8428f1790a87d22bd", kill_on_drop: false }`
[INFO] [stderr] warning: constant `N` is never used
[INFO] [stderr]  --> src/lib.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const N: f32 = 0.1428571428571428571428571428571; //I Don't Know What This Do BTW
[INFO] [stderr]   |       ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `newton_sqrt` is never used
[INFO] [stderr]   --> src/lib.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn newton_sqrt(x: f32, n: f32) -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sqrt-rs` (lib) generated 2 warnings
[INFO] [stderr] warning: `sqrt-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sqrt_rs-5ce6a90b4e5caaa4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sqrt_rs
[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" "3a74069016643d1e0b2d684e0a55ecf7256d040dc2d718f8428f1790a87d22bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a74069016643d1e0b2d684e0a55ecf7256d040dc2d718f8428f1790a87d22bd", kill_on_drop: false }`
[INFO] [stdout] 3a74069016643d1e0b2d684e0a55ecf7256d040dc2d718f8428f1790a87d22bd