[INFO] fetching crate serval 0.1.0...
[INFO] checking serval-0.1.0 against beta-2020-07-24 for pr-75494-beta
[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 beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b328391d755832f0d08a934706b1b3778b02e87842dc5d82beffdef3330ee326
[INFO] running `Command { std: "docker" "start" "-a" "b328391d755832f0d08a934706b1b3778b02e87842dc5d82beffdef3330ee326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b328391d755832f0d08a934706b1b3778b02e87842dc5d82beffdef3330ee326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b328391d755832f0d08a934706b1b3778b02e87842dc5d82beffdef3330ee326", kill_on_drop: false }`
[INFO] [stdout] b328391d755832f0d08a934706b1b3778b02e87842dc5d82beffdef3330ee326
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cbbcc58a8ffa7aca6a771e26a56f95fa2b2c0712a8263e38023fdacdb4c8600
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7cbbcc58a8ffa7aca6a771e26a56f95fa2b2c0712a8263e38023fdacdb4c8600", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling byteorder v1.3.4
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking traitobject v0.1.0
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking typemap v0.3.3
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[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
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[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking logger v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/paint.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 |         f.clamp(0.0, self.width as f32) as usize
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method 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 `prelude::Clamp::clamp(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/paint.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 |         f.clamp(0.0, self.width as f32) as usize
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method 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 `prelude::Clamp::clamp(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "7cbbcc58a8ffa7aca6a771e26a56f95fa2b2c0712a8263e38023fdacdb4c8600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbbcc58a8ffa7aca6a771e26a56f95fa2b2c0712a8263e38023fdacdb4c8600", kill_on_drop: false }`
[INFO] [stdout] 7cbbcc58a8ffa7aca6a771e26a56f95fa2b2c0712a8263e38023fdacdb4c8600
