[INFO] fetching crate mudders 0.0.4...
[INFO] testing mudders-0.0.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mudders 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mudders 0.0.4
[INFO] finished tweaking crates.io crate mudders 0.0.4
[INFO] tweaked toml for crates.io crate mudders 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mudders 0.0.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55ef19bc25499b55fecba7ac295e3cbfb06bdd33a9663a04b93c78de3ecb248f
[INFO] running `Command { std: "docker" "start" "-a" "55ef19bc25499b55fecba7ac295e3cbfb06bdd33a9663a04b93c78de3ecb248f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ef19bc25499b55fecba7ac295e3cbfb06bdd33a9663a04b93c78de3ecb248f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ef19bc25499b55fecba7ac295e3cbfb06bdd33a9663a04b93c78de3ecb248f", kill_on_drop: false }`
[INFO] [stdout] 55ef19bc25499b55fecba7ac295e3cbfb06bdd33a9663a04b93c78de3ecb248f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a368812b893aeb16d6dbd2138f8b5bcaaac2f50b823f12b897d1d5a6a71c45a
[INFO] running `Command { std: "docker" "start" "-a" "5a368812b893aeb16d6dbd2138f8b5bcaaac2f50b823f12b897d1d5a6a71c45a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mudders v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "5a368812b893aeb16d6dbd2138f8b5bcaaac2f50b823f12b897d1d5a6a71c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a368812b893aeb16d6dbd2138f8b5bcaaac2f50b823f12b897d1d5a6a71c45a", kill_on_drop: false }`
[INFO] [stdout] 5a368812b893aeb16d6dbd2138f8b5bcaaac2f50b823f12b897d1d5a6a71c45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49054a0a47c4458b884d3b5c7c419d248cd049c1ef99b87cde64ebb686bafcd8
[INFO] running `Command { std: "docker" "start" "-a" "49054a0a47c4458b884d3b5c7c419d248cd049c1ef99b87cde64ebb686bafcd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mudders v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "49054a0a47c4458b884d3b5c7c419d248cd049c1ef99b87cde64ebb686bafcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49054a0a47c4458b884d3b5c7c419d248cd049c1ef99b87cde64ebb686bafcd8", kill_on_drop: false }`
[INFO] [stdout] 49054a0a47c4458b884d3b5c7c419d248cd049c1ef99b87cde64ebb686bafcd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 074e035e3c32fb81da5925c8b80feb2c045189063f50442babf0f144a32cd622
[INFO] running `Command { std: "docker" "start" "-a" "074e035e3c32fb81da5925c8b80feb2c045189063f50442babf0f144a32cd622", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mudders-41530c4294a00a5c)
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::empty_end ... ok
[INFO] [stdout] test tests::empty_start ... ok
[INFO] [stdout] test tests::invalid_tables_error ... ok
[INFO] [stdout] test tests::differing_input_lengths ... ok
[INFO] [stdout] test tests::outputs_more_or_less_match_mudderjs ... ok
[INFO] [stdout] test tests::distance_between_first_chars_correct ... ok
[INFO] [stdout] test tests::reasonable_values ... ok
[INFO] [stdout] test tests::traverse_alphabet ... ok
[INFO] [stdout] test tests::traverse_custom ... ok
[INFO] [stdout] test tests::unknown_chars_error ... ok
[INFO] [stdout] test tests::valid_tables_work ... ok
[INFO] [stdout] test tests::values_sorting_correct ... ok
[INFO] [stdout] test tests::equal_strings_error ... ok
[INFO] [stdout] test tests::only_amount ... ok
[INFO] [stdout] test tests::generate_after_z ... ok
[INFO] [stderr]    Doc-tests mudders
[INFO] [stdout] test tests::values_consistently_between_start_and_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/error.rs - error::ensure (line 9) ... FAILED
[INFO] [stdout] test src/lib.rs - SymbolTable::mudder (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/error.rs - error::ensure (line 9) stdout ----
[INFO] [stdout] error: cannot find macro `ensure` in this scope
[INFO] [stdout]   --> src/error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ensure! { i > 5, "i may not be less than 5" }
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/error.rs - error::ensure (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "074e035e3c32fb81da5925c8b80feb2c045189063f50442babf0f144a32cd622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074e035e3c32fb81da5925c8b80feb2c045189063f50442babf0f144a32cd622", kill_on_drop: false }`
[INFO] [stdout] 074e035e3c32fb81da5925c8b80feb2c045189063f50442babf0f144a32cd622