[INFO] fetching crate termcol 0.1.1...
[INFO] testing termcol-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate termcol 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate termcol 0.1.1
[INFO] finished tweaking crates.io crate termcol 0.1.1
[INFO] tweaked toml for crates.io crate termcol 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate termcol 0.1.1 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] crate crates.io crate termcol 0.1.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5a77068be5f5987a79d4faa6bbf4f8eca5a71d9541cacef31c5f01e3d07d77cf
[INFO] running `Command { std: "docker" "start" "-a" "5a77068be5f5987a79d4faa6bbf4f8eca5a71d9541cacef31c5f01e3d07d77cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a77068be5f5987a79d4faa6bbf4f8eca5a71d9541cacef31c5f01e3d07d77cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a77068be5f5987a79d4faa6bbf4f8eca5a71d9541cacef31c5f01e3d07d77cf", kill_on_drop: false }`
[INFO] [stdout] 5a77068be5f5987a79d4faa6bbf4f8eca5a71d9541cacef31c5f01e3d07d77cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d189d512d2cec51b827c9b8c3a4b9e2537a40e5a5864f99100c5fe26a6718b89
[INFO] running `Command { std: "docker" "start" "-a" "d189d512d2cec51b827c9b8c3a4b9e2537a40e5a5864f99100c5fe26a6718b89", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "d189d512d2cec51b827c9b8c3a4b9e2537a40e5a5864f99100c5fe26a6718b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d189d512d2cec51b827c9b8c3a4b9e2537a40e5a5864f99100c5fe26a6718b89", kill_on_drop: false }`
[INFO] [stdout] d189d512d2cec51b827c9b8c3a4b9e2537a40e5a5864f99100c5fe26a6718b89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a31849058ead7fa56466a7d03ee91eec18b07f667fd93bd6b08ffe0a46b20647
[INFO] running `Command { std: "docker" "start" "-a" "a31849058ead7fa56466a7d03ee91eec18b07f667fd93bd6b08ffe0a46b20647", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a31849058ead7fa56466a7d03ee91eec18b07f667fd93bd6b08ffe0a46b20647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31849058ead7fa56466a7d03ee91eec18b07f667fd93bd6b08ffe0a46b20647", kill_on_drop: false }`
[INFO] [stdout] a31849058ead7fa56466a7d03ee91eec18b07f667fd93bd6b08ffe0a46b20647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 34b2384a306a835bed2edc144417e20986749d36fb0f896c19bdef69a5f70f60
[INFO] running `Command { std: "docker" "start" "-a" "34b2384a306a835bed2edc144417e20986749d36fb0f896c19bdef69a5f70f60", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/termcol-46fad3342d061dee)
[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] [stderr]    Doc-tests termcol
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - clean_output (line 32) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_string_hex (line 241) - compile ... ok
[INFO] [stdout] test src/lib.rs - format_string (line 295) - compile ... ok
[INFO] [stdout] test src/lib.rs - color (line 86) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_hex (line 213) - compile ... ok
[INFO] [stdout] test src/lib.rs - format (line 269) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_string (line 184) - compile ... ok
[INFO] [stdout] test src/lib.rs - color_string (line 120) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color (line 162) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - optimize (line 327) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - optimize (line 327) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `string_to_optimize` in this scope
[INFO] [stdout]  --> src/lib.rs:331:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let better_string = optimize(&string_to_optimize);
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 - optimize (line 327)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "34b2384a306a835bed2edc144417e20986749d36fb0f896c19bdef69a5f70f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b2384a306a835bed2edc144417e20986749d36fb0f896c19bdef69a5f70f60", kill_on_drop: false }`
[INFO] [stdout] 34b2384a306a835bed2edc144417e20986749d36fb0f896c19bdef69a5f70f60