[INFO] fetching crate extfmt 0.1.1...
[INFO] testing extfmt-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate extfmt 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate extfmt 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extfmt 0.1.1
[INFO] finished tweaking crates.io crate extfmt 0.1.1
[INFO] tweaked toml for crates.io crate extfmt 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ff6d6eadb453f03f2985a28909c859e40a803b22c3a42a0ffa4a0edb464283f
[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" "7ff6d6eadb453f03f2985a28909c859e40a803b22c3a42a0ffa4a0edb464283f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff6d6eadb453f03f2985a28909c859e40a803b22c3a42a0ffa4a0edb464283f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff6d6eadb453f03f2985a28909c859e40a803b22c3a42a0ffa4a0edb464283f", kill_on_drop: false }`
[INFO] [stdout] 7ff6d6eadb453f03f2985a28909c859e40a803b22c3a42a0ffa4a0edb464283f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9f8bdf443bb53159284aca987e69d898c3b21f3756c747e2bc73f32ce7136e8
[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" "a9f8bdf443bb53159284aca987e69d898c3b21f3756c747e2bc73f32ce7136e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling extfmt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a9f8bdf443bb53159284aca987e69d898c3b21f3756c747e2bc73f32ce7136e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f8bdf443bb53159284aca987e69d898c3b21f3756c747e2bc73f32ce7136e8", kill_on_drop: false }`
[INFO] [stdout] a9f8bdf443bb53159284aca987e69d898c3b21f3756c747e2bc73f32ce7136e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4842ffc9fb17644643c98c8dda73b77f4a21ee3f58d3cf57350b4396cd8142
[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" "7c4842ffc9fb17644643c98c8dda73b77f4a21ee3f58d3cf57350b4396cd8142", kill_on_drop: false }`
[INFO] [stderr]    Compiling extfmt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "7c4842ffc9fb17644643c98c8dda73b77f4a21ee3f58d3cf57350b4396cd8142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4842ffc9fb17644643c98c8dda73b77f4a21ee3f58d3cf57350b4396cd8142", kill_on_drop: false }`
[INFO] [stdout] 7c4842ffc9fb17644643c98c8dda73b77f4a21ee3f58d3cf57350b4396cd8142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 947dbef5a0c38850edfe8d85496b086d5b0b78703ec69fb32a258eb4051967d9
[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" "947dbef5a0c38850edfe8d85496b086d5b0b78703ec69fb32a258eb4051967d9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/extfmt-fc36445148d4a461
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests extfmt
[INFO] [stdout] test hexdump::tests::readme ... ok
[INFO] [stdout] test slice::tests::readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/hexdump.rs - hexdump::Hexdump (line 8) ... ok
[INFO] [stdout] test src/hexdump.rs - hexdump (line 100) ... ok
[INFO] [stdout] test src/slice.rs - slice::Hexlify (line 60) ... ok
[INFO] [stdout] test src/slice.rs - slice::CommaSeparated (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "947dbef5a0c38850edfe8d85496b086d5b0b78703ec69fb32a258eb4051967d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947dbef5a0c38850edfe8d85496b086d5b0b78703ec69fb32a258eb4051967d9", kill_on_drop: false }`
[INFO] [stdout] 947dbef5a0c38850edfe8d85496b086d5b0b78703ec69fb32a258eb4051967d9