[INFO] fetching crate lerp 0.4.0...
[INFO] checking lerp-0.4.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate lerp 0.4.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate lerp 0.4.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lerp 0.4.0
[INFO] finished tweaking crates.io crate lerp 0.4.0
[INFO] tweaked toml for crates.io crate lerp 0.4.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 305a02c15132abf46a15ecbc5378c601a20be0e015cb1abbcb3fc7cbb21d9bca
[INFO] running `Command { std: "docker" "start" "-a" "305a02c15132abf46a15ecbc5378c601a20be0e015cb1abbcb3fc7cbb21d9bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "305a02c15132abf46a15ecbc5378c601a20be0e015cb1abbcb3fc7cbb21d9bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305a02c15132abf46a15ecbc5378c601a20be0e015cb1abbcb3fc7cbb21d9bca", kill_on_drop: false }`
[INFO] [stdout] 305a02c15132abf46a15ecbc5378c601a20be0e015cb1abbcb3fc7cbb21d9bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 072f38a52e7f58062460d43067ee2f4de3bd752c0ad370748eabd1fca8108f4f
[INFO] running `Command { std: "docker" "start" "-a" "072f38a52e7f58062460d43067ee2f4de3bd752c0ad370748eabd1fca8108f4f", kill_on_drop: false }`
[INFO] [stderr]     Checking lerp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/manual.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/manual.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/manual.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/manual.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 a: self.a.lerp(other.a, cast::<_, f64>(t).unwrap()),
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable `f64::<impl f64>::lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/manual.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 b: self.b.lerp(other.b, cast::<_, f64>(t).unwrap()),
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable `f64::<impl f64>::lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/manual.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 a: self.a.lerp(other.a, cast::<_, f64>(t).unwrap()),
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable `f64::<impl f64>::lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/manual.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 b: self.b.lerp(other.b, cast::<_, f32>(t).unwrap()),
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable `f32::<impl f32>::lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/manual.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 self.0.lerp(other.0, cast::<_, f64>(t).unwrap()),
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable `f64::<impl f64>::lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/manual.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 self.1.lerp(other.1, cast::<_, f32>(t).unwrap()),
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable `f32::<impl f32>::lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/manual.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 b: self.b.lerp(other.b, cast::<_, f32>(t).unwrap()),
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable `f32::<impl f32>::lerp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "072f38a52e7f58062460d43067ee2f4de3bd752c0ad370748eabd1fca8108f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072f38a52e7f58062460d43067ee2f4de3bd752c0ad370748eabd1fca8108f4f", kill_on_drop: false }`
[INFO] [stdout] 072f38a52e7f58062460d43067ee2f4de3bd752c0ad370748eabd1fca8108f4f