[INFO] fetching crate serval 0.1.0...
[INFO] checking serval-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate serval 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate serval 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serval 0.1.0
[INFO] finished tweaking crates.io crate serval 0.1.0
[INFO] tweaked toml for crates.io crate serval 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a56aed799c62d1f1e3e7615e1be6df39d5119bce336ce013abaa50ad9424ef30
[INFO] running `"docker" "start" "-a" "a56aed799c62d1f1e3e7615e1be6df39d5119bce336ce013abaa50ad9424ef30"`
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking logger v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking serval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/paint.rs:136:11
[INFO] [stderr]     |
[INFO] [stderr] 136 |         f.clamp(0.0, self.width as f32) as usize
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `prelude::Clamp::clamp(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(clamp)]` to the crate attributes to enable `std::f32::<impl f32>::clamp`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/paint.rs:136:11
[INFO] [stderr]     |
[INFO] [stderr] 136 |         f.clamp(0.0, self.width as f32) as usize
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `prelude::Clamp::clamp(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(clamp)]` to the crate attributes to enable `std::f32::<impl f32>::clamp`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.12s
[INFO] running `"docker" "inspect" "a56aed799c62d1f1e3e7615e1be6df39d5119bce336ce013abaa50ad9424ef30"`
[INFO] running `"docker" "rm" "-f" "a56aed799c62d1f1e3e7615e1be6df39d5119bce336ce013abaa50ad9424ef30"`
[INFO] [stdout] a56aed799c62d1f1e3e7615e1be6df39d5119bce336ce013abaa50ad9424ef30