[INFO] fetching crate text_analyzer 0.1.1...
[INFO] building text_analyzer-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate text_analyzer 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate text_analyzer 0.1.1
[INFO] finished tweaking crates.io crate text_analyzer 0.1.1
[INFO] tweaked toml for crates.io crate text_analyzer 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate text_analyzer 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] crate crates.io crate text_analyzer 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 451c338dc3e5dbb32a612f257a8eff6f1191d4a68a189cbcb885ed3530ca2928
[INFO] running `Command { std: "docker" "start" "-a" "451c338dc3e5dbb32a612f257a8eff6f1191d4a68a189cbcb885ed3530ca2928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "451c338dc3e5dbb32a612f257a8eff6f1191d4a68a189cbcb885ed3530ca2928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451c338dc3e5dbb32a612f257a8eff6f1191d4a68a189cbcb885ed3530ca2928", kill_on_drop: false }`
[INFO] [stdout] 451c338dc3e5dbb32a612f257a8eff6f1191d4a68a189cbcb885ed3530ca2928
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d146689652e9cc9c2fe576972c20e6c38182af7b0e36fba27c302ab0c5f2e53a
[INFO] running `Command { std: "docker" "start" "-a" "d146689652e9cc9c2fe576972c20e6c38182af7b0e36fba27c302ab0c5f2e53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_analyzer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Some(x) => (array_pos = *x),
[INFO] [stdout]    |                        ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -             Some(x) => (array_pos = *x),
[INFO] [stdout] 50 +             Some(x) => array_pos = *x,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     Some(_x) => (return Err(String::from("Char map inserted the same error twice!"))),
[INFO] [stdout]    |                                 ^                                                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -                     Some(_x) => (return Err(String::from("Char map inserted the same error twice!"))),
[INFO] [stdout] 53 +                     Some(_x) => return Err(String::from("Char map inserted the same error twice!")),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "d146689652e9cc9c2fe576972c20e6c38182af7b0e36fba27c302ab0c5f2e53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d146689652e9cc9c2fe576972c20e6c38182af7b0e36fba27c302ab0c5f2e53a", kill_on_drop: false }`
[INFO] [stdout] d146689652e9cc9c2fe576972c20e6c38182af7b0e36fba27c302ab0c5f2e53a
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12e5529c2e50d7664f6178e518bba48fa22c61d73c365f58680a9993a1f7468
[INFO] running `Command { std: "docker" "start" "-a" "a12e5529c2e50d7664f6178e518bba48fa22c61d73c365f58680a9993a1f7468", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_analyzer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Some(x) => (array_pos = *x),
[INFO] [stdout]    |                        ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -             Some(x) => (array_pos = *x),
[INFO] [stdout] 50 +             Some(x) => array_pos = *x,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     Some(_x) => (return Err(String::from("Char map inserted the same error twice!"))),
[INFO] [stdout]    |                                 ^                                                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -                     Some(_x) => (return Err(String::from("Char map inserted the same error twice!"))),
[INFO] [stdout] 53 +                     Some(_x) => return Err(String::from("Char map inserted the same error twice!")),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a12e5529c2e50d7664f6178e518bba48fa22c61d73c365f58680a9993a1f7468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12e5529c2e50d7664f6178e518bba48fa22c61d73c365f58680a9993a1f7468", kill_on_drop: false }`
[INFO] [stdout] a12e5529c2e50d7664f6178e518bba48fa22c61d73c365f58680a9993a1f7468