[INFO] fetching crate spec_math 0.1.6...
[INFO] checking spec_math-0.1.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate spec_math 0.1.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate spec_math 0.1.6
[INFO] finished tweaking crates.io crate spec_math 0.1.6
[INFO] tweaked toml for crates.io crate spec_math 0.1.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spec_math 0.1.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10eb37d79938c979fff15cf03656461623d84c0102126dc95fe1611efb434119
[INFO] running `Command { std: "docker" "start" "-a" "10eb37d79938c979fff15cf03656461623d84c0102126dc95fe1611efb434119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10eb37d79938c979fff15cf03656461623d84c0102126dc95fe1611efb434119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eb37d79938c979fff15cf03656461623d84c0102126dc95fe1611efb434119", kill_on_drop: false }`
[INFO] [stdout] 10eb37d79938c979fff15cf03656461623d84c0102126dc95fe1611efb434119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c7dcea20b081cbce802a9c15e01a45b232816c2b8664bfe82a15866a64149a
[INFO] running `Command { std: "docker" "start" "-a" "f1c7dcea20b081cbce802a9c15e01a45b232816c2b8664bfe82a15866a64149a", kill_on_drop: false }`
[INFO] [stderr]     Checking spec_math v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/misc/carlson.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/misc/carlson.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/misc/carlson.rs:731:9
[INFO] [stdout]     |
[INFO] [stdout] 731 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/misc/carlson.rs:778:9
[INFO] [stdout]     |
[INFO] [stdout] 778 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/misc/carlson.rs:859:9
[INFO] [stdout]     |
[INFO] [stdout] 859 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_NUM` is never used
[INFO] [stdout]   --> src/cephes64/lanczos.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const LANCZOS_NUM: [f64; 13] = [
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_DENOM` is never used
[INFO] [stdout]   --> src/cephes64/lanczos.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const LANCZOS_DENOM: [f64; 13] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_SUM_NEAR_1_D` is never used
[INFO] [stdout]   --> src/cephes64/lanczos.rs:99:7
[INFO] [stdout]    |
[INFO] [stdout] 99 | const LANCZOS_SUM_NEAR_1_D: [f64; 12] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_SUM_NEAR_2_D` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:114:7
[INFO] [stdout]     |
[INFO] [stdout] 114 | const LANCZOS_SUM_NEAR_2_D: [f64; 12] = [
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos_sum` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn lanczos_sum(x: f64) -> f64
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos_sum_near_1` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn lanczos_sum_near_1(dx: f64) -> f64
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos_sum_near_2` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn lanczos_sum_near_2(dx: f64) -> f64
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAYLOR0` is never used
[INFO] [stdout]    --> src/cephes64/polevl.rs:143:11
[INFO] [stdout]     |
[INFO] [stdout] 143 |     const TAYLOR0: [f64; 10] = [
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_NUM` is never used
[INFO] [stdout]   --> src/cephes64/lanczos.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const LANCZOS_NUM: [f64; 13] = [
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_DENOM` is never used
[INFO] [stdout]   --> src/cephes64/lanczos.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const LANCZOS_DENOM: [f64; 13] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_SUM_NEAR_1_D` is never used
[INFO] [stdout]   --> src/cephes64/lanczos.rs:99:7
[INFO] [stdout]    |
[INFO] [stdout] 99 | const LANCZOS_SUM_NEAR_1_D: [f64; 12] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LANCZOS_SUM_NEAR_2_D` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:114:7
[INFO] [stdout]     |
[INFO] [stdout] 114 | const LANCZOS_SUM_NEAR_2_D: [f64; 12] = [
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos_sum` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn lanczos_sum(x: f64) -> f64
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos_sum_near_1` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn lanczos_sum_near_1(dx: f64) -> f64
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos_sum_near_2` is never used
[INFO] [stdout]    --> src/cephes64/lanczos.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn lanczos_sum_near_2(dx: f64) -> f64
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "f1c7dcea20b081cbce802a9c15e01a45b232816c2b8664bfe82a15866a64149a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c7dcea20b081cbce802a9c15e01a45b232816c2b8664bfe82a15866a64149a", kill_on_drop: false }`
[INFO] [stdout] f1c7dcea20b081cbce802a9c15e01a45b232816c2b8664bfe82a15866a64149a