[INFO] fetching crate enum_dispatch 0.3.3...
[INFO] checking enum_dispatch-0.3.3 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate enum_dispatch 0.3.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate enum_dispatch 0.3.3 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum_dispatch 0.3.3
[INFO] finished tweaking crates.io crate enum_dispatch 0.3.3
[INFO] tweaked toml for crates.io crate enum_dispatch 0.3.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded enum_derive v0.1.7
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded rand v0.6.1
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f071a6726a2cd12c379ce33baeb3193ca3a4c408449a447424f1dbb2af51f333
[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" "f071a6726a2cd12c379ce33baeb3193ca3a4c408449a447424f1dbb2af51f333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f071a6726a2cd12c379ce33baeb3193ca3a4c408449a447424f1dbb2af51f333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f071a6726a2cd12c379ce33baeb3193ca3a4c408449a447424f1dbb2af51f333", kill_on_drop: false }`
[INFO] [stdout] f071a6726a2cd12c379ce33baeb3193ca3a4c408449a447424f1dbb2af51f333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3065072cd6ae42fd9723770d24e9dd702c9fb74379b0f53a3815eefc460912a2
[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" "3065072cd6ae42fd9723770d24e9dd702c9fb74379b0f53a3815eefc460912a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking enum_dispatch v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.63s
[INFO] running `Command { std: "docker" "inspect" "3065072cd6ae42fd9723770d24e9dd702c9fb74379b0f53a3815eefc460912a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3065072cd6ae42fd9723770d24e9dd702c9fb74379b0f53a3815eefc460912a2", kill_on_drop: false }`
[INFO] [stdout] 3065072cd6ae42fd9723770d24e9dd702c9fb74379b0f53a3815eefc460912a2