[INFO] fetching crate text_analyzer 0.1.1...
[INFO] checking text_analyzer-0.1.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[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 cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47e6091c3a3d79ba21de1352a76d312d738bc2a357ca4a8a1b4903f4964f5a71
[INFO] running `Command { std: "docker" "start" "-a" "47e6091c3a3d79ba21de1352a76d312d738bc2a357ca4a8a1b4903f4964f5a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e6091c3a3d79ba21de1352a76d312d738bc2a357ca4a8a1b4903f4964f5a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e6091c3a3d79ba21de1352a76d312d738bc2a357ca4a8a1b4903f4964f5a71", kill_on_drop: false }`
[INFO] [stdout] 47e6091c3a3d79ba21de1352a76d312d738bc2a357ca4a8a1b4903f4964f5a71
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a4b744cc66cfc56c61291d3f9fa5b33f3c652760a6fff499a22ee8803f230b2
[INFO] running `Command { std: "docker" "start" "-a" "2a4b744cc66cfc56c61291d3f9fa5b33f3c652760a6fff499a22ee8803f230b2", kill_on_drop: false }`
[INFO] [stderr]     Checking 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)]` 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] [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)]` 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 0.14s
[INFO] running `Command { std: "docker" "inspect" "2a4b744cc66cfc56c61291d3f9fa5b33f3c652760a6fff499a22ee8803f230b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4b744cc66cfc56c61291d3f9fa5b33f3c652760a6fff499a22ee8803f230b2", kill_on_drop: false }`
[INFO] [stdout] 2a4b744cc66cfc56c61291d3f9fa5b33f3c652760a6fff499a22ee8803f230b2