[INFO] fetching crate text_analyzer 0.1.1...
[INFO] testing text_analyzer-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate text_analyzer 0.1.1 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate text_analyzer 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75fa347c228d7c194a0a3d7e288ca59b978532b194a1d368032119ba6f22f781
[INFO] running `Command { std: "docker" "start" "-a" "75fa347c228d7c194a0a3d7e288ca59b978532b194a1d368032119ba6f22f781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75fa347c228d7c194a0a3d7e288ca59b978532b194a1d368032119ba6f22f781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fa347c228d7c194a0a3d7e288ca59b978532b194a1d368032119ba6f22f781", kill_on_drop: false }`
[INFO] [stdout] 75fa347c228d7c194a0a3d7e288ca59b978532b194a1d368032119ba6f22f781
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77638c86d089f4d636ef77edd0c2441142d709834f597f27542ded3105195e12
[INFO] running `Command { std: "docker" "start" "-a" "77638c86d089f4d636ef77edd0c2441142d709834f597f27542ded3105195e12", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "77638c86d089f4d636ef77edd0c2441142d709834f597f27542ded3105195e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77638c86d089f4d636ef77edd0c2441142d709834f597f27542ded3105195e12", kill_on_drop: false }`
[INFO] [stdout] 77638c86d089f4d636ef77edd0c2441142d709834f597f27542ded3105195e12
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef707fa0799c879b14b1e7d5a61226561e2322ac50f02c85f08c5d80876e036b
[INFO] running `Command { std: "docker" "start" "-a" "ef707fa0799c879b14b1e7d5a61226561e2322ac50f02c85f08c5d80876e036b", 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 0.21s
[INFO] running `Command { std: "docker" "inspect" "ef707fa0799c879b14b1e7d5a61226561e2322ac50f02c85f08c5d80876e036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef707fa0799c879b14b1e7d5a61226561e2322ac50f02c85f08c5d80876e036b", kill_on_drop: false }`
[INFO] [stdout] ef707fa0799c879b14b1e7d5a61226561e2322ac50f02c85f08c5d80876e036b
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0088f686e316a202fd817102c261c5a7c9311855da62c4c4a0c907d9c57a33dd
[INFO] running `Command { std: "docker" "start" "-a" "0088f686e316a202fd817102c261c5a7c9311855da62c4c4a0c907d9c57a33dd", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/main.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Some(x) => (array_pos = *x),
[INFO] [stderr]    |                        ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 50 -             Some(x) => (array_pos = *x),
[INFO] [stderr] 50 +             Some(x) => array_pos = *x,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/main.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     Some(_x) => (return Err(String::from("Char map inserted the same error twice!"))),
[INFO] [stderr]    |                                 ^                                                                   ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 -                     Some(_x) => (return Err(String::from("Char map inserted the same error twice!"))),
[INFO] [stderr] 53 +                     Some(_x) => return Err(String::from("Char map inserted the same error twice!")),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `text_analyzer` (bin "text_analyzer" test) generated 2 warnings (run `cargo fix --bin "text_analyzer" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/text_analyzer-1dbfb64f10eb3dec)
[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] running `Command { std: "docker" "inspect" "0088f686e316a202fd817102c261c5a7c9311855da62c4c4a0c907d9c57a33dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0088f686e316a202fd817102c261c5a7c9311855da62c4c4a0c907d9c57a33dd", kill_on_drop: false }`
[INFO] [stdout] 0088f686e316a202fd817102c261c5a7c9311855da62c4c4a0c907d9c57a33dd