[INFO] fetching crate tack 0.1.1-alpha...
[INFO] testing tack-0.1.1-alpha against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tack 0.1.1-alpha into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tack 0.1.1-alpha
[INFO] finished tweaking crates.io crate tack 0.1.1-alpha
[INFO] tweaked toml for crates.io crate tack 0.1.1-alpha written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tack 0.1.1-alpha on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97ef2aa448812ad79b4d251ea4d6082ced9fa8a7cc49913ea1675a842c7bd466
[INFO] running `Command { std: "docker" "start" "-a" "97ef2aa448812ad79b4d251ea4d6082ced9fa8a7cc49913ea1675a842c7bd466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ef2aa448812ad79b4d251ea4d6082ced9fa8a7cc49913ea1675a842c7bd466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ef2aa448812ad79b4d251ea4d6082ced9fa8a7cc49913ea1675a842c7bd466", kill_on_drop: false }`
[INFO] [stdout] 97ef2aa448812ad79b4d251ea4d6082ced9fa8a7cc49913ea1675a842c7bd466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c92b828a9c51603e78c48b49bb3ccca8d5e8936e64da237853c160e655a2ec2
[INFO] running `Command { std: "docker" "start" "-a" "6c92b828a9c51603e78c48b49bb3ccca8d5e8936e64da237853c160e655a2ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tack v0.1.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `valid_braces` is never used
[INFO] [stdout]   --> src/lib.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn valid_braces<'a>(s: &'a str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[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 0.42s
[INFO] running `Command { std: "docker" "inspect" "6c92b828a9c51603e78c48b49bb3ccca8d5e8936e64da237853c160e655a2ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c92b828a9c51603e78c48b49bb3ccca8d5e8936e64da237853c160e655a2ec2", kill_on_drop: false }`
[INFO] [stdout] 6c92b828a9c51603e78c48b49bb3ccca8d5e8936e64da237853c160e655a2ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5b59b91e6435fdfdc0c4157f1736aa509c5539d421df6cbef8bc61b0eb990e
[INFO] running `Command { std: "docker" "start" "-a" "cc5b59b91e6435fdfdc0c4157f1736aa509c5539d421df6cbef8bc61b0eb990e", kill_on_drop: false }`
[INFO] [stdout] warning: function `valid_braces` is never used
[INFO] [stdout]   --> src/lib.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn valid_braces<'a>(s: &'a str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tack v0.1.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "cc5b59b91e6435fdfdc0c4157f1736aa509c5539d421df6cbef8bc61b0eb990e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5b59b91e6435fdfdc0c4157f1736aa509c5539d421df6cbef8bc61b0eb990e", kill_on_drop: false }`
[INFO] [stdout] cc5b59b91e6435fdfdc0c4157f1736aa509c5539d421df6cbef8bc61b0eb990e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b540ef832cfc6c5ac48eb0a177433db4bd743b5f97388611007b57cd0e127f06
[INFO] running `Command { std: "docker" "start" "-a" "b540ef832cfc6c5ac48eb0a177433db4bd743b5f97388611007b57cd0e127f06", kill_on_drop: false }`
[INFO] [stderr] warning: function `valid_braces` is never used
[INFO] [stderr]   --> src/lib.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn valid_braces<'a>(s: &'a str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tack` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tack-ef50243d24462a71)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::html_html_tag ... ok
[INFO] [stdout] test tests::html_main_tag ... ok
[INFO] [stdout] test tests::html_body_tag ... ok
[INFO] [stdout] test tests::html_value_flex ... ok
[INFO] [stdout] test tests::html_value_pct ... ok
[INFO] [stdout] test tests::html_value_int ... ok
[INFO] [stdout] test tests::one_brace_pair_with_word ... ok
[INFO] [stdout] test tests::one_open_brace ... ok
[INFO] [stdout] test tests::two_closed_braces ... ok
[INFO] [stdout] test tests::one_brace_pair ... ok
[INFO] [stdout] test tests::two_brace_pairs ... ok
[INFO] [stdout] test tests::two_open_braces ... ok
[INFO] [stdout] test tests::one_closed_brace ... 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] [stderr]    Doc-tests tack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - coloured_html (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - coloured_html (line 10) stdout ----
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]  --> src/lib.rs:11:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | let s =  let a = "
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: only supported directly in conditions of `if` and `while` expressions
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `coloured_html` in this scope
[INFO] [stdout]  --> src/lib.rs:16:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | coloured_html(s);
[INFO] [stdout]   | ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use tack::coloured_html;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - coloured_html (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b540ef832cfc6c5ac48eb0a177433db4bd743b5f97388611007b57cd0e127f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b540ef832cfc6c5ac48eb0a177433db4bd743b5f97388611007b57cd0e127f06", kill_on_drop: false }`
[INFO] [stdout] b540ef832cfc6c5ac48eb0a177433db4bd743b5f97388611007b57cd0e127f06