[INFO] fetching crate rust-stellar-xdr 0.3.0...
[INFO] checking rust-stellar-xdr-0.3.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate rust-stellar-xdr 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rust-stellar-xdr 0.3.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-stellar-xdr 0.3.0
[INFO] finished tweaking crates.io crate rust-stellar-xdr 0.3.0
[INFO] tweaked toml for crates.io crate rust-stellar-xdr 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xdr-codec v0.4.4
[INFO] [stderr]   Downloaded multi_reader v0.1.0
[INFO] [stderr]   Downloaded xdrgen v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e3b6ef8a07508621b645ed28d2e649cd3d709c7db969e2fcfd06efb7a36a3c
[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" "b5e3b6ef8a07508621b645ed28d2e649cd3d709c7db969e2fcfd06efb7a36a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e3b6ef8a07508621b645ed28d2e649cd3d709c7db969e2fcfd06efb7a36a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e3b6ef8a07508621b645ed28d2e649cd3d709c7db969e2fcfd06efb7a36a3c", kill_on_drop: false }`
[INFO] [stdout] b5e3b6ef8a07508621b645ed28d2e649cd3d709c7db969e2fcfd06efb7a36a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 4cce4f032d64353acbfb9c8a6213bf3c0e52f0c98259087a4181cfd0761cf1a3
[INFO] running `Command { std: "docker" "start" "-a" "4cce4f032d64353acbfb9c8a6213bf3c0e52f0c98259087a4181cfd0761cf1a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling multi_reader v0.1.0
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling xdr-codec v0.4.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling xdrgen v0.4.4
[INFO] [stderr]    Compiling rust-stellar-xdr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.53s
[INFO] running `Command { std: "docker" "inspect" "4cce4f032d64353acbfb9c8a6213bf3c0e52f0c98259087a4181cfd0761cf1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cce4f032d64353acbfb9c8a6213bf3c0e52f0c98259087a4181cfd0761cf1a3", kill_on_drop: false }`
[INFO] [stdout] 4cce4f032d64353acbfb9c8a6213bf3c0e52f0c98259087a4181cfd0761cf1a3