[INFO] fetching crate webmachine-rust 0.2.1...
[INFO] checking webmachine-rust-0.2.1 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate webmachine-rust 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate webmachine-rust 0.2.1 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webmachine-rust 0.2.1
[INFO] finished tweaking crates.io crate webmachine-rust 0.2.1
[INFO] tweaked toml for crates.io crate webmachine-rust 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expectest v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17bae77886c27a97a8f3d780bada15a33983a71dcee1ced8f2942fea0195b2c0
[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" "17bae77886c27a97a8f3d780bada15a33983a71dcee1ced8f2942fea0195b2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17bae77886c27a97a8f3d780bada15a33983a71dcee1ced8f2942fea0195b2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bae77886c27a97a8f3d780bada15a33983a71dcee1ced8f2942fea0195b2c0", kill_on_drop: false }`
[INFO] [stdout] 17bae77886c27a97a8f3d780bada15a33983a71dcee1ced8f2942fea0195b2c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f8a7f2815585dc9ae219ff2fa9441df63c18e61be80c9cbd5988266ab3a6e56
[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" "7f8a7f2815585dc9ae219ff2fa9441df63c18e61be80c9cbd5988266ab3a6e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking expectest v0.12.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking webmachine-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "7f8a7f2815585dc9ae219ff2fa9441df63c18e61be80c9cbd5988266ab3a6e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8a7f2815585dc9ae219ff2fa9441df63c18e61be80c9cbd5988266ab3a6e56", kill_on_drop: false }`
[INFO] [stdout] 7f8a7f2815585dc9ae219ff2fa9441df63c18e61be80c9cbd5988266ab3a6e56