[INFO] fetching crate mudders 0.0.4...
[INFO] testing mudders-0.0.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mudders 0.0.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mudders 0.0.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] ef41ac163af1de143e15f37b0b57b28ace740cbeec905a12d0fe8f876e2dbaf1
[INFO] running `Command { std: "docker" "start" "-a" "ef41ac163af1de143e15f37b0b57b28ace740cbeec905a12d0fe8f876e2dbaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef41ac163af1de143e15f37b0b57b28ace740cbeec905a12d0fe8f876e2dbaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef41ac163af1de143e15f37b0b57b28ace740cbeec905a12d0fe8f876e2dbaf1", kill_on_drop: false }`
[INFO] [stdout] ef41ac163af1de143e15f37b0b57b28ace740cbeec905a12d0fe8f876e2dbaf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d669253784359b9ad304e5ac8aacff10fc6a21f0f2843a3ef1a34c45d5a0a1a
[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" "1d669253784359b9ad304e5ac8aacff10fc6a21f0f2843a3ef1a34c45d5a0a1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mudders v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "1d669253784359b9ad304e5ac8aacff10fc6a21f0f2843a3ef1a34c45d5a0a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d669253784359b9ad304e5ac8aacff10fc6a21f0f2843a3ef1a34c45d5a0a1a", kill_on_drop: false }`
[INFO] [stdout] 1d669253784359b9ad304e5ac8aacff10fc6a21f0f2843a3ef1a34c45d5a0a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef559448c684dc676ed4d6f12165fb877bdc488d6ca8f26e7eb416332f397fd1
[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" "ef559448c684dc676ed4d6f12165fb877bdc488d6ca8f26e7eb416332f397fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mudders v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "ef559448c684dc676ed4d6f12165fb877bdc488d6ca8f26e7eb416332f397fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef559448c684dc676ed4d6f12165fb877bdc488d6ca8f26e7eb416332f397fd1", kill_on_drop: false }`
[INFO] [stdout] ef559448c684dc676ed4d6f12165fb877bdc488d6ca8f26e7eb416332f397fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 693334120d2b19cd6ffdb1eef060b69a3c87939fd5eebc43c93ed9f9de39918f
[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" "693334120d2b19cd6ffdb1eef060b69a3c87939fd5eebc43c93ed9f9de39918f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mudders-0293f62320ee3de4)
[INFO] [stdout] test tests::equal_strings_error ... ok
[INFO] [stdout] test tests::traverse_alphabet ... ok
[INFO] [stdout] test tests::values_sorting_correct ... ok
[INFO] [stdout] test tests::traverse_custom ... ok
[INFO] [stdout] test tests::empty_start ... ok
[INFO] [stdout] test tests::distance_between_first_chars_correct ... ok
[INFO] [stdout] test tests::unknown_chars_error ... ok
[INFO] [stdout] test tests::outputs_more_or_less_match_mudderjs ... ok
[INFO] [stdout] test tests::only_amount ... ok
[INFO] [stdout] test tests::valid_tables_work ... ok
[INFO] [stdout] test tests::empty_end ... ok
[INFO] [stdout] test tests::reasonable_values ... ok
[INFO] [stdout] test tests::invalid_tables_error ... ok
[INFO] [stdout] test tests::differing_input_lengths ... ok
[INFO] [stdout] test tests::generate_after_z ... ok
[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 0.62s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mudders
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - SymbolTable::mudder (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "693334120d2b19cd6ffdb1eef060b69a3c87939fd5eebc43c93ed9f9de39918f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693334120d2b19cd6ffdb1eef060b69a3c87939fd5eebc43c93ed9f9de39918f", kill_on_drop: false }`
[INFO] [stdout] 693334120d2b19cd6ffdb1eef060b69a3c87939fd5eebc43c93ed9f9de39918f