[INFO] fetching crate pdf_form_ids 0.6.0...
[INFO] checking pdf_form_ids-0.6.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate pdf_form_ids 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pdf_form_ids 0.6.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2745d5bd34d7f9941bef7a4929d7996230ad37c467e029a9431d662da0f86cef
[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" "2745d5bd34d7f9941bef7a4929d7996230ad37c467e029a9431d662da0f86cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2745d5bd34d7f9941bef7a4929d7996230ad37c467e029a9431d662da0f86cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2745d5bd34d7f9941bef7a4929d7996230ad37c467e029a9431d662da0f86cef", kill_on_drop: false }`
[INFO] [stdout] 2745d5bd34d7f9941bef7a4929d7996230ad37c467e029a9431d662da0f86cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 5857118e4961f51047b363257b260db7587c34a783ea2148ad9f11e7ab236ce4
[INFO] running `Command { std: "docker" "start" "-a" "5857118e4961f51047b363257b260db7587c34a783ea2148ad9f11e7ab236ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[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 38.07s
[INFO] running `Command { std: "docker" "inspect" "5857118e4961f51047b363257b260db7587c34a783ea2148ad9f11e7ab236ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5857118e4961f51047b363257b260db7587c34a783ea2148ad9f11e7ab236ce4", kill_on_drop: false }`
[INFO] [stdout] 5857118e4961f51047b363257b260db7587c34a783ea2148ad9f11e7ab236ce4