[INFO] fetching crate webmachine-rust 0.2.2...
[INFO] checking webmachine-rust-0.2.2 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate webmachine-rust 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate webmachine-rust 0.2.2 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webmachine-rust 0.2.2
[INFO] finished tweaking crates.io crate webmachine-rust 0.2.2
[INFO] tweaked toml for crates.io crate webmachine-rust 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2714d1c8f4359d9752831da3037c285aefcf08ffda00b29afe0cc0e78afcca5e
[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" "2714d1c8f4359d9752831da3037c285aefcf08ffda00b29afe0cc0e78afcca5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2714d1c8f4359d9752831da3037c285aefcf08ffda00b29afe0cc0e78afcca5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2714d1c8f4359d9752831da3037c285aefcf08ffda00b29afe0cc0e78afcca5e", kill_on_drop: false }`
[INFO] [stdout] 2714d1c8f4359d9752831da3037c285aefcf08ffda00b29afe0cc0e78afcca5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c692bc3e6aa0f4b9970d301cf1f06f19cf5c583997050f3bd53c10a2e7eb7cf3
[INFO] running `Command { std: "docker" "start" "-a" "c692bc3e6aa0f4b9970d301cf1f06f19cf5c583997050f3bd53c10a2e7eb7cf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking expectest v0.12.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking webmachine-rust v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.96s
[INFO] running `Command { std: "docker" "inspect" "c692bc3e6aa0f4b9970d301cf1f06f19cf5c583997050f3bd53c10a2e7eb7cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c692bc3e6aa0f4b9970d301cf1f06f19cf5c583997050f3bd53c10a2e7eb7cf3", kill_on_drop: false }`
[INFO] [stdout] c692bc3e6aa0f4b9970d301cf1f06f19cf5c583997050f3bd53c10a2e7eb7cf3