[INFO] fetching crate stellar-base 0.4.1...
[INFO] checking stellar-base-0.4.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate stellar-base 0.4.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stellar-base 0.4.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stellar-base 0.4.1
[INFO] finished tweaking crates.io crate stellar-base 0.4.1
[INFO] tweaked toml for crates.io crate stellar-base 0.4.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d414ef9f0cc72a0560ad82a0c010a64d953357b033cc735caf2a1d5b8a910dd2
[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" "d414ef9f0cc72a0560ad82a0c010a64d953357b033cc735caf2a1d5b8a910dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d414ef9f0cc72a0560ad82a0c010a64d953357b033cc735caf2a1d5b8a910dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d414ef9f0cc72a0560ad82a0c010a64d953357b033cc735caf2a1d5b8a910dd2", kill_on_drop: false }`
[INFO] [stdout] d414ef9f0cc72a0560ad82a0c010a64d953357b033cc735caf2a1d5b8a910dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] f7172539a4a0269dc9260d90f57f6a03bc4ec0d9230b7ef56182d99b4414e683
[INFO] running `Command { std: "docker" "start" "-a" "f7172539a4a0269dc9260d90f57f6a03bc4ec0d9230b7ef56182d99b4414e683", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking xdr-rs-serialize v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling xdr-rs-serialize-derive v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking rust_decimal v1.7.0
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking stellar-base v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 55s
[INFO] running `Command { std: "docker" "inspect" "f7172539a4a0269dc9260d90f57f6a03bc4ec0d9230b7ef56182d99b4414e683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7172539a4a0269dc9260d90f57f6a03bc4ec0d9230b7ef56182d99b4414e683", kill_on_drop: false }`
[INFO] [stdout] f7172539a4a0269dc9260d90f57f6a03bc4ec0d9230b7ef56182d99b4414e683