[INFO] fetching crate pdf_derive 0.1.20...
[INFO] checking pdf_derive-0.1.20 against beta for pr-78714
[INFO] extracting crate pdf_derive 0.1.20 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pdf_derive 0.1.20 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 crates.io crate pdf_derive 0.1.20
[INFO] finished tweaking crates.io crate pdf_derive 0.1.20
[INFO] tweaked toml for crates.io crate pdf_derive 0.1.20 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ddde61fa06fa27a2e9989cc1f933f7e060e44b69ba1b12992cb41660a0ab1ad8
[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" "ddde61fa06fa27a2e9989cc1f933f7e060e44b69ba1b12992cb41660a0ab1ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddde61fa06fa27a2e9989cc1f933f7e060e44b69ba1b12992cb41660a0ab1ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddde61fa06fa27a2e9989cc1f933f7e060e44b69ba1b12992cb41660a0ab1ad8", kill_on_drop: false }`
[INFO] [stdout] ddde61fa06fa27a2e9989cc1f933f7e060e44b69ba1b12992cb41660a0ab1ad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a9546b45e5e0deb993a3a317e3450a99a0dd54ac4a9414186dd1b3a59624d3f7
[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" "a9546b45e5e0deb993a3a317e3450a99a0dd54ac4a9414186dd1b3a59624d3f7", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]     Checking pdf_derive v0.1.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]    --> src/lib.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn name(&self) -> &LitStr {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]    --> src/lib.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn name(&self) -> &LitStr {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "a9546b45e5e0deb993a3a317e3450a99a0dd54ac4a9414186dd1b3a59624d3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9546b45e5e0deb993a3a317e3450a99a0dd54ac4a9414186dd1b3a59624d3f7", kill_on_drop: false }`
[INFO] [stdout] a9546b45e5e0deb993a3a317e3450a99a0dd54ac4a9414186dd1b3a59624d3f7