[INFO] fetching crate ureq 2.0.0-rc4...
[INFO] checking ureq-2.0.0-rc4 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate ureq 2.0.0-rc4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ureq 2.0.0-rc4 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ureq 2.0.0-rc4
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate ureq 2.0.0-rc4
[INFO] tweaked toml for crates.io crate ureq 2.0.0-rc4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ureq 2.0.0-rc4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 011297f2ea5e2ea221fd517fffc7e6840cfd6d7cbb32d7fd2e01a00bb8b92830
[INFO] running `Command { std: "docker" "start" "-a" "011297f2ea5e2ea221fd517fffc7e6840cfd6d7cbb32d7fd2e01a00bb8b92830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011297f2ea5e2ea221fd517fffc7e6840cfd6d7cbb32d7fd2e01a00bb8b92830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011297f2ea5e2ea221fd517fffc7e6840cfd6d7cbb32d7fd2e01a00bb8b92830", kill_on_drop: false }`
[INFO] [stdout] 011297f2ea5e2ea221fd517fffc7e6840cfd6d7cbb32d7fd2e01a00bb8b92830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9ad604e91741f54f03958add38a6c4b65e03014fc53a5386aac324b7c3147b
[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" "8f9ad604e91741f54f03958add38a6c4b65e03014fc53a5386aac324b7c3147b", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking ring v0.16.16
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking ureq v2.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.84s
[INFO] running `Command { std: "docker" "inspect" "8f9ad604e91741f54f03958add38a6c4b65e03014fc53a5386aac324b7c3147b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9ad604e91741f54f03958add38a6c4b65e03014fc53a5386aac324b7c3147b", kill_on_drop: false }`
[INFO] [stdout] 8f9ad604e91741f54f03958add38a6c4b65e03014fc53a5386aac324b7c3147b