[INFO] fetching crate tabb 0.1.0...
[INFO] testing tabb-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tabb 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate tabb 0.1.0
[INFO] finished tweaking crates.io crate tabb 0.1.0
[INFO] tweaked toml for crates.io crate tabb 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tabb 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tabb 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded termion v1.5.2
[INFO] [stderr]   Downloaded syn v0.15.38
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a620ff1f94b080c8f5b3fb3628ddf09cf0ede5071552030f5507f45a3f3ccb6
[INFO] running `Command { std: "docker" "start" "-a" "2a620ff1f94b080c8f5b3fb3628ddf09cf0ede5071552030f5507f45a3f3ccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a620ff1f94b080c8f5b3fb3628ddf09cf0ede5071552030f5507f45a3f3ccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a620ff1f94b080c8f5b3fb3628ddf09cf0ede5071552030f5507f45a3f3ccb6", kill_on_drop: false }`
[INFO] [stdout] 2a620ff1f94b080c8f5b3fb3628ddf09cf0ede5071552030f5507f45a3f3ccb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69cc0e819e726bd79668425defd81ee8c49386274d7a9ba844c934960de49d8
[INFO] running `Command { std: "docker" "start" "-a" "e69cc0e819e726bd79668425defd81ee8c49386274d7a9ba844c934960de49d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling tabb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_stdout_tty` is never read
[INFO] [stdout]   --> src/config.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 49 |     pub is_stdout_tty: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "e69cc0e819e726bd79668425defd81ee8c49386274d7a9ba844c934960de49d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69cc0e819e726bd79668425defd81ee8c49386274d7a9ba844c934960de49d8", kill_on_drop: false }`
[INFO] [stdout] e69cc0e819e726bd79668425defd81ee8c49386274d7a9ba844c934960de49d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e63a880869e1677bd713f7b5dbbd46cb96f2f6ec195eef851f904170e1d5ce7c
[INFO] running `Command { std: "docker" "start" "-a" "e63a880869e1677bd713f7b5dbbd46cb96f2f6ec195eef851f904170e1d5ce7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tabb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_stdout_tty` is never read
[INFO] [stdout]   --> src/config.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 49 |     pub is_stdout_tty: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "e63a880869e1677bd713f7b5dbbd46cb96f2f6ec195eef851f904170e1d5ce7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63a880869e1677bd713f7b5dbbd46cb96f2f6ec195eef851f904170e1d5ce7c", kill_on_drop: false }`
[INFO] [stdout] e63a880869e1677bd713f7b5dbbd46cb96f2f6ec195eef851f904170e1d5ce7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88ce57246b191ae7c425f120a9a4b86717cdfe755a0ce18e9cca7b286ef042a9
[INFO] running `Command { std: "docker" "start" "-a" "88ce57246b191ae7c425f120a9a4b86717cdfe755a0ce18e9cca7b286ef042a9", kill_on_drop: false }`
[INFO] [stderr] warning: field `is_stdout_tty` is never read
[INFO] [stderr]   --> src/config.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub struct Config {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 49 |     pub is_stdout_tty: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tabb` (bin "tabb" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tabb-79e796c50f2b21f1)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test formatter::tests::analyze::empty_input ... ok
[INFO] [stdout] test formatter::tests::analyze::four_empty_strings ... ok
[INFO] [stdout] test formatter::tests::analyze::one_empty_string ... ok
[INFO] [stdout] test formatter::tests::format_line::columns_supercompressed ... ok
[INFO] [stdout] test formatter::tests::format_line::doesnt_panic_with_0width_colums ... ok
[INFO] [stdout] test formatter::tests::analyze::simple_ssv ... ok
[INFO] [stdout] test formatter::tests::analyze::simple_tsv ... ok
[INFO] [stdout] test formatter::tests::format_line::empty_line ... ok
[INFO] [stdout] test formatter::tests::format_line::columns_with_spare_space ... ok
[INFO] [stdout] test formatter::tests::format_line::simple_2_columns ... ok
[INFO] [stdout] test formatter::tests::split_available_width::no_limiting_needed ... ok
[INFO] [stdout] test formatter::tests::format_line::columns_compressed ... ok
[INFO] [stdout] test formatter::tests::split_available_width::empty_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88ce57246b191ae7c425f120a9a4b86717cdfe755a0ce18e9cca7b286ef042a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ce57246b191ae7c425f120a9a4b86717cdfe755a0ce18e9cca7b286ef042a9", kill_on_drop: false }`
[INFO] [stdout] 88ce57246b191ae7c425f120a9a4b86717cdfe755a0ce18e9cca7b286ef042a9