[INFO] fetching crate castor 0.5.0...
[INFO] checking castor-0.5.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate castor 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate castor 0.5.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate castor 0.5.0
[INFO] finished tweaking crates.io crate castor 0.5.0
[INFO] tweaked toml for crates.io crate castor 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1922b399b9da09dcad43e4678a0dc56c1073288710c8a6f2d66e0c3a5a64bff2
[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" "1922b399b9da09dcad43e4678a0dc56c1073288710c8a6f2d66e0c3a5a64bff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1922b399b9da09dcad43e4678a0dc56c1073288710c8a6f2d66e0c3a5a64bff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1922b399b9da09dcad43e4678a0dc56c1073288710c8a6f2d66e0c3a5a64bff2", kill_on_drop: false }`
[INFO] [stdout] 1922b399b9da09dcad43e4678a0dc56c1073288710c8a6f2d66e0c3a5a64bff2
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c881b00c160402554e57ff8ec76bb932e029e272525dcdfc479210d51edd1cba
[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" "c881b00c160402554e57ff8ec76bb932e029e272525dcdfc479210d51edd1cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.9.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking lmdb-rkv v0.12.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking kv v0.9.3
[INFO] [stderr]     Checking castor v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.77s
[INFO] running `Command { std: "docker" "inspect" "c881b00c160402554e57ff8ec76bb932e029e272525dcdfc479210d51edd1cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c881b00c160402554e57ff8ec76bb932e029e272525dcdfc479210d51edd1cba", kill_on_drop: false }`
[INFO] [stdout] c881b00c160402554e57ff8ec76bb932e029e272525dcdfc479210d51edd1cba