[INFO] fetching crate libm 0.2.15...
[INFO] checking libm-0.2.15 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate libm 0.2.15 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate libm 0.2.15
[INFO] finished tweaking crates.io crate libm 0.2.15
[INFO] tweaked toml for crates.io crate libm 0.2.15 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libm 0.2.15 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libm 0.2.15 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-panic v0.1.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d99d5328cd2217b400e5d6306901b92f32084a57539e005865f7fd16b9318a08
[INFO] running `Command { std: "docker" "start" "-a" "d99d5328cd2217b400e5d6306901b92f32084a57539e005865f7fd16b9318a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d99d5328cd2217b400e5d6306901b92f32084a57539e005865f7fd16b9318a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99d5328cd2217b400e5d6306901b92f32084a57539e005865f7fd16b9318a08", kill_on_drop: false }`
[INFO] [stdout] d99d5328cd2217b400e5d6306901b92f32084a57539e005865f7fd16b9318a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7c35df91031e65f9212858d061748cc853922019561c246e09834b18327c23
[INFO] running `Command { std: "docker" "start" "-a" "4f7c35df91031e65f9212858d061748cc853922019561c246e09834b18327c23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling no-panic v0.1.35
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/math/support/float_traits.rs:36:11
[INFO] [stdout]     |
[INFO] [stdout]   9 | pub trait Float:
[INFO] [stdout]     |           ----- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout]  36 |     const INFINITY: Self;
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout]  37 |     const NEG_INFINITY: Self;
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]  38 |     const NAN: Self;
[INFO] [stdout]  39 |     const NEG_NAN: Self;
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]  40 |     const MAX: Self;
[INFO] [stdout]     |           ^^^
[INFO] [stdout]  41 |     const MIN: Self;
[INFO] [stdout]     |           ^^^
[INFO] [stdout]  42 |     const EPSILON: Self;
[INFO] [stdout]  43 |     const PI: Self;
[INFO] [stdout]     |           ^^
[INFO] [stdout]  44 |     const NEG_PI: Self;
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]  45 |     const FRAC_PI_2: Self;
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn is_infinite(self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f32_to_bits` is never used
[INFO] [stdout]    --> src/math/support/float_traits.rs:357:14
[INFO] [stdout]     |
[INFO] [stdout] 357 | pub const fn f32_to_bits(x: f32) -> u32 {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f64_to_bits` is never used
[INFO] [stdout]    --> src/math/support/float_traits.rs:371:14
[INFO] [stdout]     |
[INFO] [stdout] 371 | pub const fn f64_to_bits(x: f64) -> u64 {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hexf` is never constructed
[INFO] [stdout]    --> src/math/support/hex_float.rs:356:12
[INFO] [stdout]     |
[INFO] [stdout] 356 | pub struct Hexf<F>(pub F);
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fmt_any_hex` is never used
[INFO] [stdout]    --> src/math/support/hex_float.rs:360:4
[INFO] [stdout]     |
[INFO] [stdout] 360 | fn fmt_any_hex<F: Float>(x: &F, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `SIGNED`, `MIN`, and `MAX` are never used
[INFO] [stdout]   --> src/math/support/int_traits.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait MinInt:
[INFO] [stdout]    |           ------ associated constants in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     const SIGNED: bool;
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     const MIN: Self;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 25 |     const MAX: Self;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `NEG_PI` is never used
[INFO] [stdout]   --> src/math/support/float_traits.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Float:
[INFO] [stdout]    |           ----- associated constant in this trait
[INFO] [stdout] ...
[INFO] [stdout] 44 |     const NEG_PI: Self;
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `SIGNED`, `MIN`, and `MAX` are never used
[INFO] [stdout]   --> src/math/support/int_traits.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait MinInt:
[INFO] [stdout]    |           ------ associated constants in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     const SIGNED: bool;
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     const MIN: Self;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 25 |     const MAX: Self;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "4f7c35df91031e65f9212858d061748cc853922019561c246e09834b18327c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7c35df91031e65f9212858d061748cc853922019561c246e09834b18327c23", kill_on_drop: false }`
[INFO] [stdout] 4f7c35df91031e65f9212858d061748cc853922019561c246e09834b18327c23
