[INFO] cloning repository https://github.com/siesta02/studing_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/siesta02/studing_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiesta02%2Fstuding_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiesta02%2Fstuding_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 514cc4f32e375e77082308234339f34bfd8096e5 [INFO] testing siesta02/studing_rust against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiesta02%2Fstuding_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/siesta02/studing_rust on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/siesta02/studing_rust [INFO] finished tweaking git repo https://github.com/siesta02/studing_rust [INFO] tweaked toml for git repo https://github.com/siesta02/studing_rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/siesta02/studing_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ccfc2f35f9a7ff1b3b1109f4853297e6bed324fc72f6200b8e18ecd9c11809c [INFO] running `Command { std: "docker" "start" "-a" "7ccfc2f35f9a7ff1b3b1109f4853297e6bed324fc72f6200b8e18ecd9c11809c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ccfc2f35f9a7ff1b3b1109f4853297e6bed324fc72f6200b8e18ecd9c11809c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ccfc2f35f9a7ff1b3b1109f4853297e6bed324fc72f6200b8e18ecd9c11809c", kill_on_drop: false }` [INFO] [stdout] 7ccfc2f35f9a7ff1b3b1109f4853297e6bed324fc72f6200b8e18ecd9c11809c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 975605a03026f7ba851d89ff0e4d77e1172c34662e10c085c61bc24947d549b8 [INFO] running `Command { std: "docker" "start" "-a" "975605a03026f7ba851d89ff0e4d77e1172c34662e10c085c61bc24947d549b8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.0 [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `name` is assigned to, but never used [INFO] [stdout] --> src/main.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut name: &str = "Yamada"; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_name` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | name = "Tanaka"; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut name = String::from("Yamada"); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Color` [INFO] [stdout] --> src/main.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum Color{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.56s [INFO] running `Command { std: "docker" "inspect" "975605a03026f7ba851d89ff0e4d77e1172c34662e10c085c61bc24947d549b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "975605a03026f7ba851d89ff0e4d77e1172c34662e10c085c61bc24947d549b8", kill_on_drop: false }` [INFO] [stdout] 975605a03026f7ba851d89ff0e4d77e1172c34662e10c085c61bc24947d549b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46e58f19bdfea7908313df42988c60fcc6beb4349a392d39c9e3b3b6f246c231 [INFO] running `Command { std: "docker" "start" "-a" "46e58f19bdfea7908313df42988c60fcc6beb4349a392d39c9e3b3b6f246c231", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `name` is assigned to, but never used [INFO] [stdout] --> src/main.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut name: &str = "Yamada"; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_name` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | name = "Tanaka"; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut name = String::from("Yamada"); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Color` [INFO] [stdout] --> src/main.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum Color{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "46e58f19bdfea7908313df42988c60fcc6beb4349a392d39c9e3b3b6f246c231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46e58f19bdfea7908313df42988c60fcc6beb4349a392d39c9e3b3b6f246c231", kill_on_drop: false }` [INFO] [stdout] 46e58f19bdfea7908313df42988c60fcc6beb4349a392d39c9e3b3b6f246c231 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fa28fa5fdd12d525ec0d4d35d73d64bab6ea8ca546aac260e36e6af71c5c7734 [INFO] running `Command { std: "docker" "start" "-a" "fa28fa5fdd12d525ec0d4d35d73d64bab6ea8ca546aac260e36e6af71c5c7734", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable `name` is assigned to, but never used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:75:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 75 | let mut name: &str = "Yamada"; [INFO] [stdout] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_name` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `name` is never read [INFO] [stderr] --> src/main.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | name = "Tanaka"; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `name` is never read [INFO] [stderr] --> src/main.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | let mut name = String::from("Yamada"); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Color` [INFO] [stderr] --> src/main.rs:27:6 [INFO] [stderr] | [INFO] [stderr] 27 | enum Color{ [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello-b2af6c1c909911a2) [INFO] running `Command { std: "docker" "inspect" "fa28fa5fdd12d525ec0d4d35d73d64bab6ea8ca546aac260e36e6af71c5c7734", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa28fa5fdd12d525ec0d4d35d73d64bab6ea8ca546aac260e36e6af71c5c7734", kill_on_drop: false }` [INFO] [stdout] fa28fa5fdd12d525ec0d4d35d73d64bab6ea8ca546aac260e36e6af71c5c7734