[INFO] fetching crate tracerr 0.1.2...
[INFO] testing tracerr-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tracerr 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tracerr 0.1.2 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 tracerr 0.1.2
[INFO] finished tweaking crates.io crate tracerr 0.1.2
[INFO] tweaked toml for crates.io crate tracerr 0.1.2 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 682d96091b04c5aed0ae4230302b1c47660e8b7a5393110332f0a45c5503cc92
[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" "682d96091b04c5aed0ae4230302b1c47660e8b7a5393110332f0a45c5503cc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "682d96091b04c5aed0ae4230302b1c47660e8b7a5393110332f0a45c5503cc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682d96091b04c5aed0ae4230302b1c47660e8b7a5393110332f0a45c5503cc92", kill_on_drop: false }`
[INFO] [stdout] 682d96091b04c5aed0ae4230302b1c47660e8b7a5393110332f0a45c5503cc92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f53ef128dc11b9c4f75ff784c22758c3a1335a6b19e49223fe32250147a46c80
[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" "f53ef128dc11b9c4f75ff784c22758c3a1335a6b19e49223fe32250147a46c80", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling tracerr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `Command { std: "docker" "inspect" "f53ef128dc11b9c4f75ff784c22758c3a1335a6b19e49223fe32250147a46c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53ef128dc11b9c4f75ff784c22758c3a1335a6b19e49223fe32250147a46c80", kill_on_drop: false }`
[INFO] [stdout] f53ef128dc11b9c4f75ff784c22758c3a1335a6b19e49223fe32250147a46c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10b8642d0157a7fcae9d01220114f0c73b2d0a689acc9a4e047f9bc0c5c076a5
[INFO] running `Command { std: "docker" "start" "-a" "10b8642d0157a7fcae9d01220114f0c73b2d0a689acc9a4e047f9bc0c5c076a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracerr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "10b8642d0157a7fcae9d01220114f0c73b2d0a689acc9a4e047f9bc0c5c076a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b8642d0157a7fcae9d01220114f0c73b2d0a689acc9a4e047f9bc0c5c076a5", kill_on_drop: false }`
[INFO] [stdout] 10b8642d0157a7fcae9d01220114f0c73b2d0a689acc9a4e047f9bc0c5c076a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 91201130de71fa17e1535c63f9d84612e843fe2b3963036c331007a02da6959b
[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" "91201130de71fa17e1535c63f9d84612e843fe2b3963036c331007a02da6959b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracerr-ce6ebab3ed7b2682
[INFO] [stdout] running 12 tests
[INFO] [stdout] test from_and_wrap_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test from_and_wrap_macro_spec::applies_required_from_implementation ... ok
[INFO] [stdout] test map_from_and_new_macro_spec::applies_required_from_implementation ... ok
[INFO] [stdout] test map_from_and_wrap_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test new_macro_spec::creates_new_trace_frame_on_initialization ... ok
[INFO] [stdout] test map_from_and_wrap_macro_spec::applies_required_from_implementation ... ok
[INFO] [stdout] test new_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stderr]    Doc-tests tracerr
[INFO] [stdout] test trace::trace_spec::displays_frames_separated_by_blank_line ... ok
[INFO] [stdout] test wrap_macro_spec::creates_new_trace_frame_on_initialization ... ok
[INFO] [stdout] test wrap_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test map_from_and_new_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test trace::frame_spec::displays_module_followed_by_file_and_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - map_from_and_wrap (line 348) ... ok
[INFO] [stdout] test src/lib.rs - from_and_wrap (line 375) ... ok
[INFO] [stdout] test src/lib.rs - map_from_and_new (line 301) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - wrap (line 321) ... ok
[INFO] [stdout] test src/lib.rs - new (line 279) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91201130de71fa17e1535c63f9d84612e843fe2b3963036c331007a02da6959b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91201130de71fa17e1535c63f9d84612e843fe2b3963036c331007a02da6959b", kill_on_drop: false }`
[INFO] [stdout] 91201130de71fa17e1535c63f9d84612e843fe2b3963036c331007a02da6959b