[INFO] cloning repository https://github.com/sagara11/rust-labs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagara11/rust-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagara11%2Frust-labs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagara11%2Frust-labs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8af6e4dbc0c02de6ec3ea3d3c1736148f80b7118 [INFO] checking sagara11/rust-labs against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagara11%2Frust-labs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to write file Cargo.toml [INFO] [stderr] fatal: cannot create directory at 'src': No space left on device [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [INFO] checking sagara11/rust-labs against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagara11%2Frust-labs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: Unable to create '/workspace/builds/worker-7-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] checking sagara11/rust-labs against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagara11%2Frust-labs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sagara11/rust-labs on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sagara11/rust-labs [INFO] finished tweaking git repo https://github.com/sagara11/rust-labs [INFO] tweaked toml for git repo https://github.com/sagara11/rust-labs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sagara11/rust-labs 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7d1b9838ad4f5397c0a13520db451628f450d3e9c5f1d36bd318c2aafb847cd [INFO] running `Command { std: "docker" "start" "-a" "b7d1b9838ad4f5397c0a13520db451628f450d3e9c5f1d36bd318c2aafb847cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7d1b9838ad4f5397c0a13520db451628f450d3e9c5f1d36bd318c2aafb847cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7d1b9838ad4f5397c0a13520db451628f450d3e9c5f1d36bd318c2aafb847cd", kill_on_drop: false }` [INFO] [stdout] b7d1b9838ad4f5397c0a13520db451628f450d3e9c5f1d36bd318c2aafb847cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9abf0a054a8103f44e7701b42be9de37f0bcd67aeb05d1eef4e4ae840ca8e609 [INFO] running `Command { std: "docker" "start" "-a" "9abf0a054a8103f44e7701b42be9de37f0bcd67aeb05d1eef4e4ae840ca8e609", kill_on_drop: false }` [INFO] [stderr] Checking labs-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `obj_2` [INFO] [stdout] --> src/main.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | fn fn_1(obj_2: &Student, mut func: F) -> i32 [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_obj_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj_2` [INFO] [stdout] --> src/main.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | fn fn_1(obj_2: &Student, mut func: F) -> i32 [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_obj_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `point` and `name` are never read [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Student { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 3 | grade: T, [INFO] [stdout] 4 | point: K, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Student` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `destructor` is never used [INFO] [stdout] --> src/main.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Student { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn destructor(self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Context` is never constructed [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct Context<'a>(&'a mut Student); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_even` is never used [INFO] [stdout] --> src/main.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn test_even(mut is_even: F) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Alice` should have a snake case name [INFO] [stdout] --> src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut Alice: Box> = Box::new(Student:: { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `alice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `point` and `name` are never read [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Student { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 3 | grade: T, [INFO] [stdout] 4 | point: K, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Student` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `destructor` is never used [INFO] [stdout] --> src/main.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Student { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn destructor(self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Context` is never constructed [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | struct Context<'a>(&'a mut Student); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_even` is never used [INFO] [stdout] --> src/main.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn test_even(mut is_even: F) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Alice` should have a snake case name [INFO] [stdout] --> src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut Alice: Box> = Box::new(Student:: { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `alice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/labs_learn-92bd1348e68573e8.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/labs-learn-92bd1348e68573e8/dep-test-bin-labs-learn` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/labs_learn-ea12edd04312062e.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/labs-learn-ea12edd04312062e/dep-bin-labs-learn` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] running `Command { std: "docker" "inspect" "9abf0a054a8103f44e7701b42be9de37f0bcd67aeb05d1eef4e4ae840ca8e609", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9abf0a054a8103f44e7701b42be9de37f0bcd67aeb05d1eef4e4ae840ca8e609", kill_on_drop: false }` [INFO] [stdout] 9abf0a054a8103f44e7701b42be9de37f0bcd67aeb05d1eef4e4ae840ca8e609