[INFO] cloning repository https://github.com/richardfontana/mimosa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardfontana/mimosa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardfontana%2Fmimosa", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardfontana%2Fmimosa'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32fba1b14952aeba1cdf9d7897ea6c9cea022e70 [INFO] testing richardfontana/mimosa against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardfontana%2Fmimosa" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/richardfontana/mimosa on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/richardfontana/mimosa [INFO] finished tweaking git repo https://github.com/richardfontana/mimosa [INFO] tweaked toml for git repo https://github.com/richardfontana/mimosa written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/richardfontana/mimosa already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 403b8af138c731f1ba0eabf0d098d700773cef413905b553c9c522c9282ee5a4 [INFO] running `Command { std: "docker" "start" "-a" "403b8af138c731f1ba0eabf0d098d700773cef413905b553c9c522c9282ee5a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "403b8af138c731f1ba0eabf0d098d700773cef413905b553c9c522c9282ee5a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "403b8af138c731f1ba0eabf0d098d700773cef413905b553c9c522c9282ee5a4", kill_on_drop: false }` [INFO] [stdout] 403b8af138c731f1ba0eabf0d098d700773cef413905b553c9c522c9282ee5a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d454f716960f44c06ff10e55e3bab289a1524856522458e5d561d3972f641a1b [INFO] running `Command { std: "docker" "start" "-a" "d454f716960f44c06ff10e55e3bab289a1524856522458e5d561d3972f641a1b", kill_on_drop: false }` [INFO] [stderr] Compiling mimosa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let v = reduce_to_comments(s, delims); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:55:23 [INFO] [stdout] | [INFO] [stdout] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ds` [INFO] [stdout] --> src/main.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ds` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `begin` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | begin: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `end` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | end: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | fr.read_to_string(&mut s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "d454f716960f44c06ff10e55e3bab289a1524856522458e5d561d3972f641a1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d454f716960f44c06ff10e55e3bab289a1524856522458e5d561d3972f641a1b", kill_on_drop: false }` [INFO] [stdout] d454f716960f44c06ff10e55e3bab289a1524856522458e5d561d3972f641a1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d51508626e4ee9f5aa02f0d0e0cae87557a10ba340122cb3d552b3e1a54b0cd [INFO] running `Command { std: "docker" "start" "-a" "4d51508626e4ee9f5aa02f0d0e0cae87557a10ba340122cb3d552b3e1a54b0cd", kill_on_drop: false }` [INFO] [stderr] Compiling mimosa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let v = reduce_to_comments(s, delims); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:55:23 [INFO] [stdout] | [INFO] [stdout] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ds` [INFO] [stdout] --> src/main.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ds` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `begin` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | begin: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `end` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | end: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | fr.read_to_string(&mut s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "4d51508626e4ee9f5aa02f0d0e0cae87557a10ba340122cb3d552b3e1a54b0cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d51508626e4ee9f5aa02f0d0e0cae87557a10ba340122cb3d552b3e1a54b0cd", kill_on_drop: false }` [INFO] [stdout] 4d51508626e4ee9f5aa02f0d0e0cae87557a10ba340122cb3d552b3e1a54b0cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ba80420e8bae2b019267e6d1dc9af45d9402476b24d96e0a5eca90830d1467cd [INFO] running `Command { std: "docker" "start" "-a" "ba80420e8bae2b019267e6d1dc9af45d9402476b24d96e0a5eca90830d1467cd", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:26:17 [INFO] [stderr] | [INFO] [stderr] 26 | let v = reduce_to_comments(s, delims); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/main.rs:55:23 [INFO] [stderr] | [INFO] [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ds` [INFO] [stderr] --> src/main.rs:55:34 [INFO] [stderr] | [INFO] [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ds` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `begin` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | begin: &'static str, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `end` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | end: &'static str, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | fr.read_to_string(&mut s); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mimosa-e4773c1b580c6856) [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" "ba80420e8bae2b019267e6d1dc9af45d9402476b24d96e0a5eca90830d1467cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba80420e8bae2b019267e6d1dc9af45d9402476b24d96e0a5eca90830d1467cd", kill_on_drop: false }` [INFO] [stdout] ba80420e8bae2b019267e6d1dc9af45d9402476b24d96e0a5eca90830d1467cd