[INFO] crate serval 0.1.0 is already in cache
[INFO] checking serval-0.1.0 against master#1d5f6d41e140a3d6a9c6584d555bc09f10222d24 for pr-66037-3
[INFO] extracting crate serval 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serval 0.1.0 on toolchain 1d5f6d41e140a3d6a9c6584d555bc09f10222d24
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1d5f6d41e140a3d6a9c6584d555bc09f10222d24" "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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1d5f6d41e140a3d6a9c6584d555bc09f10222d24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1d5f6d41e140a3d6a9c6584d555bc09f10222d24" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1d5f6d41e140a3d6a9c6584d555bc09f10222d24" "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] 6da7ecc32a6f921a051f0df2f652b6519a66833643fe88b0908492e9e43ffea4
[INFO] running `"docker" "start" "-a" "6da7ecc32a6f921a051f0df2f652b6519a66833643fe88b0908492e9e43ffea4"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking logger v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking failure v0.1.6
[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 1m 20s
[INFO] running `"docker" "inspect" "6da7ecc32a6f921a051f0df2f652b6519a66833643fe88b0908492e9e43ffea4"`
[INFO] running `"docker" "rm" "-f" "6da7ecc32a6f921a051f0df2f652b6519a66833643fe88b0908492e9e43ffea4"`
[INFO] [stdout] 6da7ecc32a6f921a051f0df2f652b6519a66833643fe88b0908492e9e43ffea4