[INFO] fetching crate tracerr 0.2.0...
[INFO] testing tracerr-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate tracerr 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tracerr 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracerr 0.2.0
[INFO] finished tweaking crates.io crate tracerr 0.2.0
[INFO] tweaked toml for crates.io crate tracerr 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] cd2a79db0e0df78b0b259ad5b7baebb0a6b47efede9573d06b20402286c6a029
[INFO] running `Command { std: "docker" "start" "-a" "cd2a79db0e0df78b0b259ad5b7baebb0a6b47efede9573d06b20402286c6a029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd2a79db0e0df78b0b259ad5b7baebb0a6b47efede9573d06b20402286c6a029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2a79db0e0df78b0b259ad5b7baebb0a6b47efede9573d06b20402286c6a029", kill_on_drop: false }`
[INFO] [stdout] cd2a79db0e0df78b0b259ad5b7baebb0a6b47efede9573d06b20402286c6a029
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c67ad755abfe9d367bbe53ccf2055c26c80eda7d1475a7181e78fc71fe602e63
[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" "c67ad755abfe9d367bbe53ccf2055c26c80eda7d1475a7181e78fc71fe602e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling tracerr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.83s
[INFO] running `Command { std: "docker" "inspect" "c67ad755abfe9d367bbe53ccf2055c26c80eda7d1475a7181e78fc71fe602e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67ad755abfe9d367bbe53ccf2055c26c80eda7d1475a7181e78fc71fe602e63", kill_on_drop: false }`
[INFO] [stdout] c67ad755abfe9d367bbe53ccf2055c26c80eda7d1475a7181e78fc71fe602e63
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 150e8d4aaa6a562df6a0f881cbe99d64d92a7e7b42b15d0bb827f6e8f76d2559
[INFO] running `Command { std: "docker" "start" "-a" "150e8d4aaa6a562df6a0f881cbe99d64d92a7e7b42b15d0bb827f6e8f76d2559", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracerr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "150e8d4aaa6a562df6a0f881cbe99d64d92a7e7b42b15d0bb827f6e8f76d2559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150e8d4aaa6a562df6a0f881cbe99d64d92a7e7b42b15d0bb827f6e8f76d2559", kill_on_drop: false }`
[INFO] [stdout] 150e8d4aaa6a562df6a0f881cbe99d64d92a7e7b42b15d0bb827f6e8f76d2559
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a09648d32dedddb179e2ed895de7e3e1b08a1356386d2f12d022ff39b75e1ce7
[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" "a09648d32dedddb179e2ed895de7e3e1b08a1356386d2f12d022ff39b75e1ce7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracerr-2bddc9506254ebea)
[INFO] [stdout] test 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_new_macro_spec::applies_required_from_implementation ... ok
[INFO] [stdout] test from_and_wrap_macro_spec::applies_required_from_implementation ... ok
[INFO] [stdout] test map_from_and_new_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test map_from_and_wrap_macro_spec::applies_required_from_implementation ... ok
[INFO] [stdout] test wrap_macro_spec::creates_new_trace_frame_on_initialization ... ok
[INFO] [stdout] test new_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test map_from_and_wrap_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test wrap_macro_spec::fills_trace_on_subsequent_calls ... ok
[INFO] [stdout] test trace::frame_spec::displays_module_followed_by_file_and_line ... ok
[INFO] [stdout] test trace::trace_spec::displays_frames_separated_by_blank_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracerr
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - new (line 248) ... ok
[INFO] [stdout] test src/lib.rs - map_from_and_wrap (line 317) ... ok
[INFO] [stdout] test src/lib.rs - wrap (line 290) ... ok
[INFO] [stdout] test src/lib.rs - map_from_and_new (line 270) ... ok
[INFO] [stdout] test src/lib.rs - from_and_wrap (line 344) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a09648d32dedddb179e2ed895de7e3e1b08a1356386d2f12d022ff39b75e1ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09648d32dedddb179e2ed895de7e3e1b08a1356386d2f12d022ff39b75e1ce7", kill_on_drop: false }`
[INFO] [stdout] a09648d32dedddb179e2ed895de7e3e1b08a1356386d2f12d022ff39b75e1ce7