[INFO] fetching crate dubp-documents 0.38.0...
[INFO] checking dubp-documents-0.38.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate dubp-documents 0.38.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dubp-documents 0.38.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dubp-documents 0.38.0
[INFO] finished tweaking crates.io crate dubp-documents 0.38.0
[INFO] tweaked toml for crates.io crate dubp-documents 0.38.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 849b04f96947f52c89a5cc09da696c73fd56a53ccf46d69ae63d586755ecd6c8
[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" "849b04f96947f52c89a5cc09da696c73fd56a53ccf46d69ae63d586755ecd6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "849b04f96947f52c89a5cc09da696c73fd56a53ccf46d69ae63d586755ecd6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849b04f96947f52c89a5cc09da696c73fd56a53ccf46d69ae63d586755ecd6c8", kill_on_drop: false }`
[INFO] [stdout] 849b04f96947f52c89a5cc09da696c73fd56a53ccf46d69ae63d586755ecd6c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 457f7b1255a38ef42287b2714ebd08ea28925bf16c7b5fb7e674c9fda93f88fa
[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" "457f7b1255a38ef42287b2714ebd08ea28925bf16c7b5fb7e674c9fda93f88fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking beef v0.4.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking dup-crypto v0.38.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking dubp-common v0.38.0
[INFO] [stderr]     Checking dubp-wallet v0.38.0
[INFO] [stderr]     Checking dubp-documents v0.38.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "457f7b1255a38ef42287b2714ebd08ea28925bf16c7b5fb7e674c9fda93f88fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457f7b1255a38ef42287b2714ebd08ea28925bf16c7b5fb7e674c9fda93f88fa", kill_on_drop: false }`
[INFO] [stdout] 457f7b1255a38ef42287b2714ebd08ea28925bf16c7b5fb7e674c9fda93f88fa