[INFO] fetching crate bunt 0.2.4...
[INFO] testing bunt-0.2.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bunt 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bunt 0.2.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bunt 0.2.4
[INFO] finished tweaking crates.io crate bunt 0.2.4
[INFO] tweaked toml for crates.io crate bunt 0.2.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate bunt 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bunt-macros v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3071897f180d744e9aa2fd97d04b244dbe92a72d180158b7db68a0cc94bb4848
[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" "3071897f180d744e9aa2fd97d04b244dbe92a72d180158b7db68a0cc94bb4848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3071897f180d744e9aa2fd97d04b244dbe92a72d180158b7db68a0cc94bb4848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3071897f180d744e9aa2fd97d04b244dbe92a72d180158b7db68a0cc94bb4848", kill_on_drop: false }`
[INFO] [stdout] 3071897f180d744e9aa2fd97d04b244dbe92a72d180158b7db68a0cc94bb4848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af90ac0d13d2b8ef52677604ed74715022689f6b9bc7edcee94e74ffc617693d
[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" "af90ac0d13d2b8ef52677604ed74715022689f6b9bc7edcee94e74ffc617693d", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.1.1
[INFO] [stderr]    Compiling bunt-macros v0.2.4
[INFO] [stderr]    Compiling bunt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "af90ac0d13d2b8ef52677604ed74715022689f6b9bc7edcee94e74ffc617693d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af90ac0d13d2b8ef52677604ed74715022689f6b9bc7edcee94e74ffc617693d", kill_on_drop: false }`
[INFO] [stdout] af90ac0d13d2b8ef52677604ed74715022689f6b9bc7edcee94e74ffc617693d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] eeacb5bb99a4678bfdc7fc4db3929fe118dae22d96b9d9c8dbf20e3893c031b6
[INFO] running `Command { std: "docker" "start" "-a" "eeacb5bb99a4678bfdc7fc4db3929fe118dae22d96b9d9c8dbf20e3893c031b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bunt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "eeacb5bb99a4678bfdc7fc4db3929fe118dae22d96b9d9c8dbf20e3893c031b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeacb5bb99a4678bfdc7fc4db3929fe118dae22d96b9d9c8dbf20e3893c031b6", kill_on_drop: false }`
[INFO] [stdout] eeacb5bb99a4678bfdc7fc4db3929fe118dae22d96b9d9c8dbf20e3893c031b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen", 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] b20de230c47eb9c76398c11cb1a87add0c87b3084965993913b4bc1056c9111f
[INFO] running `Command { std: "docker" "start" "-a" "b20de230c47eb9c76398c11cb1a87add0c87b3084965993913b4bc1056c9111f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bunt-e790f49030229317
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test concat_fmt_strings ... ok
[INFO] [stdout] test io_error ... ok
[INFO] [stdout] test arg_referal_precision ... ok
[INFO] [stdout] test mixed_tag_args ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-9d5cd787170d0420
[INFO] [stderr] a27 
[INFO] [stdout] a27 
[INFO] [stdout] test set_color_error ... ok
[INFO] [stdout] test no_move_buffer ... ok
[INFO] [stdout] test no_move_args ... ok
[INFO] [stdout] test questionmark_in_argument ... ok
[INFO] [stdout] test simple_tags ... ok
[INFO] [stdout] test nested_tags ... ok
[INFO] [stdout] test writeln ... ok
[INFO] [stdout] test no_style ... ok
[INFO] [stdout] test raw_strings ... ok
[INFO] [stdout] test arg_referal ... ok
[INFO] [stdout] test colored_args ... ok
[INFO] [stdout] test concat_fmt_strings_all_strings ... ok
[INFO] [stdout] test attributes ... ok
[INFO] [stdout] test arg_referal_width ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bunt
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - eprint (line 268) ... ok
[INFO] [stdout] test src/lib.rs - (line 141) ... ok
[INFO] [stdout] test src/lib.rs - writeln (line 192) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - println (line 243) ... ok
[INFO] [stdout] test src/lib.rs - write (line 161) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - eprintln (line 290) ... ok
[INFO] [stdout] test src/lib.rs - print (line 221) ... ok
[INFO] [stdout] test src/lib.rs - style (line 311) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b20de230c47eb9c76398c11cb1a87add0c87b3084965993913b4bc1056c9111f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20de230c47eb9c76398c11cb1a87add0c87b3084965993913b4bc1056c9111f", kill_on_drop: false }`
[INFO] [stdout] b20de230c47eb9c76398c11cb1a87add0c87b3084965993913b4bc1056c9111f