[INFO] fetching crate string_wrapped 0.1.1...
[INFO] building string_wrapped-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate string_wrapped 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate string_wrapped 0.1.1
[INFO] finished tweaking crates.io crate string_wrapped 0.1.1
[INFO] tweaked toml for crates.io crate string_wrapped 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_wrapped 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3068d3856bccdda15c67c0e32582ed4cf4b233f8fb73dd8ddecc15897ea6bd28
[INFO] running `Command { std: "docker" "start" "-a" "3068d3856bccdda15c67c0e32582ed4cf4b233f8fb73dd8ddecc15897ea6bd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3068d3856bccdda15c67c0e32582ed4cf4b233f8fb73dd8ddecc15897ea6bd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3068d3856bccdda15c67c0e32582ed4cf4b233f8fb73dd8ddecc15897ea6bd28", kill_on_drop: false }`
[INFO] [stdout] 3068d3856bccdda15c67c0e32582ed4cf4b233f8fb73dd8ddecc15897ea6bd28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 479365b73380504d91e654a8cbc56e790d4e035f3ca1118dbcb86452e9ca3c5b
[INFO] running `Command { std: "docker" "start" "-a" "479365b73380504d91e654a8cbc56e790d4e035f3ca1118dbcb86452e9ca3c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_wrapped v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "479365b73380504d91e654a8cbc56e790d4e035f3ca1118dbcb86452e9ca3c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479365b73380504d91e654a8cbc56e790d4e035f3ca1118dbcb86452e9ca3c5b", kill_on_drop: false }`
[INFO] [stdout] 479365b73380504d91e654a8cbc56e790d4e035f3ca1118dbcb86452e9ca3c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c762e8ede63c71efe024ac054e2f8ed69f124d03658350337f9d43be3a5def57
[INFO] running `Command { std: "docker" "start" "-a" "c762e8ede63c71efe024ac054e2f8ed69f124d03658350337f9d43be3a5def57", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_wrapped v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         StringWrapped(23) == StringWrapped(23);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let _ = StringWrapped(23) == StringWrapped(23);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         StringWrapped(23) < StringWrapped(23);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let _ = StringWrapped(23) < StringWrapped(23);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "c762e8ede63c71efe024ac054e2f8ed69f124d03658350337f9d43be3a5def57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c762e8ede63c71efe024ac054e2f8ed69f124d03658350337f9d43be3a5def57", kill_on_drop: false }`
[INFO] [stdout] c762e8ede63c71efe024ac054e2f8ed69f124d03658350337f9d43be3a5def57