[INFO] fetching crate pdf_form_ids 0.6.0...
[INFO] checking pdf_form_ids-0.6.0 against beta for pr-78714
[INFO] extracting crate pdf_form_ids 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pdf_form_ids 0.6.0 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_form_ids 0.6.0
[INFO] finished tweaking crates.io crate pdf_form_ids 0.6.0
[INFO] tweaked toml for crates.io crate pdf_form_ids 0.6.0 written to /workspace/builds/worker-2/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] [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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25f206a2c6f012dc7b488e202c954119c457b532835404f5d0afec3b5e9d3b59
[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" "25f206a2c6f012dc7b488e202c954119c457b532835404f5d0afec3b5e9d3b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f206a2c6f012dc7b488e202c954119c457b532835404f5d0afec3b5e9d3b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f206a2c6f012dc7b488e202c954119c457b532835404f5d0afec3b5e9d3b59", kill_on_drop: false }`
[INFO] [stdout] 25f206a2c6f012dc7b488e202c954119c457b532835404f5d0afec3b5e9d3b59
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 159094d754607c27e0c18b7b8763159f17cae463ba332284540899856efb2311
[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" "159094d754607c27e0c18b7b8763159f17cae463ba332284540899856efb2311", kill_on_drop: false }`
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking lopdf v0.15.3
[INFO] [stderr]     Checking pdf_form_ids v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:468:32
[INFO] [stdout]     |
[INFO] [stdout] 468 | ...                   if (key != "Off") {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:468:32
[INFO] [stdout]     |
[INFO] [stdout] 468 | ...                   if (key != "Off") {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `Command { std: "docker" "inspect" "159094d754607c27e0c18b7b8763159f17cae463ba332284540899856efb2311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159094d754607c27e0c18b7b8763159f17cae463ba332284540899856efb2311", kill_on_drop: false }`
[INFO] [stdout] 159094d754607c27e0c18b7b8763159f17cae463ba332284540899856efb2311