[INFO] fetching crate text-fx 0.4.0...
[INFO] building text-fx-0.4.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate text-fx 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate text-fx 0.4.0
[INFO] finished tweaking crates.io crate text-fx 0.4.0
[INFO] tweaked toml for crates.io crate text-fx 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate text-fx 0.4.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate text-fx 0.4.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae4fc07e45192966d7edd69055cfcb9b089a4ec32dc8b9e6204f59ebb6413879
[INFO] running `Command { std: "docker" "start" "-a" "ae4fc07e45192966d7edd69055cfcb9b089a4ec32dc8b9e6204f59ebb6413879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae4fc07e45192966d7edd69055cfcb9b089a4ec32dc8b9e6204f59ebb6413879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4fc07e45192966d7edd69055cfcb9b089a4ec32dc8b9e6204f59ebb6413879", kill_on_drop: false }`
[INFO] [stdout] ae4fc07e45192966d7edd69055cfcb9b089a4ec32dc8b9e6204f59ebb6413879
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f73ad01afbd30e178d3f351c4b470c4aa2c21c1a4c91b3c0bb88df874d2cb614
[INFO] running `Command { std: "docker" "start" "-a" "f73ad01afbd30e178d3f351c4b470c4aa2c21c1a4c91b3c0bb88df874d2cb614", kill_on_drop: false }`
[INFO] [stderr]    Compiling text-fx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `len_l`
[INFO] [stdout]    --> src/similarity.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let len_l = l.len();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_len_l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `escape_trigraphs` is never used
[INFO] [stdout]   --> src/escape.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn escape_trigraphs(p: &str) -> String {
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "f73ad01afbd30e178d3f351c4b470c4aa2c21c1a4c91b3c0bb88df874d2cb614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73ad01afbd30e178d3f351c4b470c4aa2c21c1a4c91b3c0bb88df874d2cb614", kill_on_drop: false }`
[INFO] [stdout] f73ad01afbd30e178d3f351c4b470c4aa2c21c1a4c91b3c0bb88df874d2cb614
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acfa6dee12341ddc57dab370bb620cb7e098d38333b329a6488731bcd425e949
[INFO] running `Command { std: "docker" "start" "-a" "acfa6dee12341ddc57dab370bb620cb7e098d38333b329a6488731bcd425e949", kill_on_drop: false }`
[INFO] [stderr]    Compiling text-fx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `len_l`
[INFO] [stdout]    --> src/similarity.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let len_l = l.len();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_len_l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `escape_trigraphs` is never used
[INFO] [stdout]   --> src/escape.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn escape_trigraphs(p: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len_l`
[INFO] [stdout]    --> src/similarity.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let len_l = l.len();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_len_l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "acfa6dee12341ddc57dab370bb620cb7e098d38333b329a6488731bcd425e949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfa6dee12341ddc57dab370bb620cb7e098d38333b329a6488731bcd425e949", kill_on_drop: false }`
[INFO] [stdout] acfa6dee12341ddc57dab370bb620cb7e098d38333b329a6488731bcd425e949