[INFO] crate four-char-code 0.0.4 is already in cache
[INFO] testing four-char-code-0.0.4 against 1.45.2 for beta-1.46-1
[INFO] extracting crate four-char-code 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate four-char-code 0.0.4 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate four-char-code 0.0.4
[INFO] finished tweaking crates.io crate four-char-code 0.0.4
[INFO] tweaked toml for crates.io crate four-char-code 0.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] d201d22b04c4def44079917bea7d41072a0632d066336daec6d7b8a437188c3e
[INFO] running `Command { std: "docker" "start" "-a" "d201d22b04c4def44079917bea7d41072a0632d066336daec6d7b8a437188c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d201d22b04c4def44079917bea7d41072a0632d066336daec6d7b8a437188c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d201d22b04c4def44079917bea7d41072a0632d066336daec6d7b8a437188c3e", kill_on_drop: false }`
[INFO] [stdout] d201d22b04c4def44079917bea7d41072a0632d066336daec6d7b8a437188c3e
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] 8c69bc4a7532f80d9726fe270fbcad2a7a50fef78bdc887d536e72f59e326397
[INFO] running `Command { std: "docker" "start" "-a" "8c69bc4a7532f80d9726fe270fbcad2a7a50fef78bdc887d536e72f59e326397", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-char-code-macros-impl v0.0.2
[INFO] [stderr]    Compiling four-char-code v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "8c69bc4a7532f80d9726fe270fbcad2a7a50fef78bdc887d536e72f59e326397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c69bc4a7532f80d9726fe270fbcad2a7a50fef78bdc887d536e72f59e326397", kill_on_drop: false }`
[INFO] [stdout] 8c69bc4a7532f80d9726fe270fbcad2a7a50fef78bdc887d536e72f59e326397
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c71379ca3eb6ca3c92cc825badb9302041dc27e4f48437aee4d0a7062a5aba3e
[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" "c71379ca3eb6ca3c92cc825badb9302041dc27e4f48437aee4d0a7062a5aba3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-char-code v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c71379ca3eb6ca3c92cc825badb9302041dc27e4f48437aee4d0a7062a5aba3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71379ca3eb6ca3c92cc825badb9302041dc27e4f48437aee4d0a7062a5aba3e", kill_on_drop: false }`
[INFO] [stdout] c71379ca3eb6ca3c92cc825badb9302041dc27e4f48437aee4d0a7062a5aba3e
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 933e5af774bdc80c0acc1d56b5f4e102f10bb7fc21218233c41df78c06d5c2cc
[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" "933e5af774bdc80c0acc1d56b5f4e102f10bb7fc21218233c41df78c06d5c2cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/four_char_code-6c626a9c58f7ba96
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests four-char-code
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "933e5af774bdc80c0acc1d56b5f4e102f10bb7fc21218233c41df78c06d5c2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933e5af774bdc80c0acc1d56b5f4e102f10bb7fc21218233c41df78c06d5c2cc", kill_on_drop: false }`
[INFO] [stdout] 933e5af774bdc80c0acc1d56b5f4e102f10bb7fc21218233c41df78c06d5c2cc