[INFO] fetching crate text_analyzer 0.1.1... [INFO] testing text_analyzer-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate text_analyzer 0.1.1 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate text_analyzer 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac14123c4708afc44bd3b0c330bf60a412e17e46e1d39e695453dd5aab2a566d [INFO] running `Command { std: "docker" "start" "-a" "ac14123c4708afc44bd3b0c330bf60a412e17e46e1d39e695453dd5aab2a566d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac14123c4708afc44bd3b0c330bf60a412e17e46e1d39e695453dd5aab2a566d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac14123c4708afc44bd3b0c330bf60a412e17e46e1d39e695453dd5aab2a566d", kill_on_drop: false }` [INFO] [stdout] ac14123c4708afc44bd3b0c330bf60a412e17e46e1d39e695453dd5aab2a566d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ac5863ba322d9359af4bab36fe7ee5a152b9363e2be957cdb2c2e87acc97939 [INFO] running `Command { std: "docker" "start" "-a" "2ac5863ba322d9359af4bab36fe7ee5a152b9363e2be957cdb2c2e87acc97939", 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 0.44s [INFO] running `Command { std: "docker" "inspect" "2ac5863ba322d9359af4bab36fe7ee5a152b9363e2be957cdb2c2e87acc97939", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ac5863ba322d9359af4bab36fe7ee5a152b9363e2be957cdb2c2e87acc97939", kill_on_drop: false }` [INFO] [stdout] 2ac5863ba322d9359af4bab36fe7ee5a152b9363e2be957cdb2c2e87acc97939 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56bcb700120185dfa41574e3a83259209c4ebddeeebc2e50e8d8a5edb8820e36 [INFO] running `Command { std: "docker" "start" "-a" "56bcb700120185dfa41574e3a83259209c4ebddeeebc2e50e8d8a5edb8820e36", 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 0.24s [INFO] running `Command { std: "docker" "inspect" "56bcb700120185dfa41574e3a83259209c4ebddeeebc2e50e8d8a5edb8820e36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56bcb700120185dfa41574e3a83259209c4ebddeeebc2e50e8d8a5edb8820e36", kill_on_drop: false }` [INFO] [stdout] 56bcb700120185dfa41574e3a83259209c4ebddeeebc2e50e8d8a5edb8820e36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ab69189623c32e6cfb3ad5d394d2f7b6f4f22cb04dc71fc9b60950d2ac9fd4fd [INFO] running `Command { std: "docker" "start" "-a" "ab69189623c32e6cfb3ad5d394d2f7b6f4f22cb04dc71fc9b60950d2ac9fd4fd", 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" -p 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" "ab69189623c32e6cfb3ad5d394d2f7b6f4f22cb04dc71fc9b60950d2ac9fd4fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab69189623c32e6cfb3ad5d394d2f7b6f4f22cb04dc71fc9b60950d2ac9fd4fd", kill_on_drop: false }` [INFO] [stdout] ab69189623c32e6cfb3ad5d394d2f7b6f4f22cb04dc71fc9b60950d2ac9fd4fd