[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#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardfontana%2Fmimosa" "/workspace/builds/worker-76/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/richardfontana/mimosa on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-76/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 831dc6c03d0d7bef0ee54c38f5431bf1465a8699a79d721a592bc5d684500fe4 [INFO] running `Command { std: "docker" "start" "-a" "831dc6c03d0d7bef0ee54c38f5431bf1465a8699a79d721a592bc5d684500fe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "831dc6c03d0d7bef0ee54c38f5431bf1465a8699a79d721a592bc5d684500fe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "831dc6c03d0d7bef0ee54c38f5431bf1465a8699a79d721a592bc5d684500fe4", kill_on_drop: false }` [INFO] [stdout] 831dc6c03d0d7bef0ee54c38f5431bf1465a8699a79d721a592bc5d684500fe4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3285e910965a6c2df0baef6709104d1731434236f041bc51ab1ec76ff958caeb [INFO] running `Command { std: "docker" "start" "-a" "3285e910965a6c2df0baef6709104d1731434236f041bc51ab1ec76ff958caeb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 0.79s [INFO] running `Command { std: "docker" "inspect" "3285e910965a6c2df0baef6709104d1731434236f041bc51ab1ec76ff958caeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3285e910965a6c2df0baef6709104d1731434236f041bc51ab1ec76ff958caeb", kill_on_drop: false }` [INFO] [stdout] 3285e910965a6c2df0baef6709104d1731434236f041bc51ab1ec76ff958caeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2463a734976d1e06819648cbe9f66badbaa552a81ae614b8309c6a3d2053d49 [INFO] running `Command { std: "docker" "start" "-a" "f2463a734976d1e06819648cbe9f66badbaa552a81ae614b8309c6a3d2053d49", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 6.47s [INFO] running `Command { std: "docker" "inspect" "f2463a734976d1e06819648cbe9f66badbaa552a81ae614b8309c6a3d2053d49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2463a734976d1e06819648cbe9f66badbaa552a81ae614b8309c6a3d2053d49", kill_on_drop: false }` [INFO] [stdout] f2463a734976d1e06819648cbe9f66badbaa552a81ae614b8309c6a3d2053d49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fcd6bfa7565acc17d0e669e36c689cbc613ed2e83fc1b3152d634f2567e6a72a [INFO] running `Command { std: "docker" "start" "-a" "fcd6bfa7565acc17d0e669e36c689cbc613ed2e83fc1b3152d634f2567e6a72a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: `mimosa` (bin "mimosa" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mimosa-72acafd183721468) [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" "fcd6bfa7565acc17d0e669e36c689cbc613ed2e83fc1b3152d634f2567e6a72a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcd6bfa7565acc17d0e669e36c689cbc613ed2e83fc1b3152d634f2567e6a72a", kill_on_drop: false }` [INFO] [stdout] fcd6bfa7565acc17d0e669e36c689cbc613ed2e83fc1b3152d634f2567e6a72a