[INFO] cloning repository https://github.com/hayatoito/serval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hayatoito/serval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayatoito%2Fserval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayatoito%2Fserval'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff620977df2e01929adf6441d4f50b1ef5a98014
[INFO] checking hayatoito/serval against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayatoito%2Fserval" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hayatoito/serval on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hayatoito/serval
[INFO] finished tweaking git repo https://github.com/hayatoito/serval
[INFO] tweaked toml for git repo https://github.com/hayatoito/serval written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/hayatoito/serval already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4af2b975eeda63b4a1af04d262f9c1776308a21a296eec23cc935634bdf446de
[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" "4af2b975eeda63b4a1af04d262f9c1776308a21a296eec23cc935634bdf446de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af2b975eeda63b4a1af04d262f9c1776308a21a296eec23cc935634bdf446de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af2b975eeda63b4a1af04d262f9c1776308a21a296eec23cc935634bdf446de", kill_on_drop: false }`
[INFO] [stdout] 4af2b975eeda63b4a1af04d262f9c1776308a21a296eec23cc935634bdf446de
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 300b9c175a0437428bc4d2e4def96fcad4f40e4871c5b6d0e3e2a365168baec0
[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" "300b9c175a0437428bc4d2e4def96fcad4f40e4871c5b6d0e3e2a365168baec0", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking combine v3.6.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking loggerv v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking logger v0.4.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.14
[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 46.18s
[INFO] running `Command { std: "docker" "inspect" "300b9c175a0437428bc4d2e4def96fcad4f40e4871c5b6d0e3e2a365168baec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300b9c175a0437428bc4d2e4def96fcad4f40e4871c5b6d0e3e2a365168baec0", kill_on_drop: false }`
[INFO] [stdout] 300b9c175a0437428bc4d2e4def96fcad4f40e4871c5b6d0e3e2a365168baec0