[INFO] cloning repository https://github.com/catdogpandas/rust-test-case [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catdogpandas/rust-test-case" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatdogpandas%2Frust-test-case", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatdogpandas%2Frust-test-case'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9a90a67174a0574f8066e66a8ff55d8adaff809 [INFO] checking catdogpandas/rust-test-case against master#561b5dea1e7e5c21f0fb550ca579229ceb878297 for pr-124661 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatdogpandas%2Frust-test-case" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/catdogpandas/rust-test-case on toolchain 561b5dea1e7e5c21f0fb550ca579229ceb878297 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/catdogpandas/rust-test-case [INFO] finished tweaking git repo https://github.com/catdogpandas/rust-test-case [INFO] tweaked toml for git repo https://github.com/catdogpandas/rust-test-case written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/catdogpandas/rust-test-case 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" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking catdogpandas/rust-test-case against try#8348c7b12e5a2c6b3311d00662c71e8ceda0a1c8 for pr-124661 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatdogpandas%2Frust-test-case" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/catdogpandas/rust-test-case on toolchain 8348c7b12e5a2c6b3311d00662c71e8ceda0a1c8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8348c7b12e5a2c6b3311d00662c71e8ceda0a1c8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/catdogpandas/rust-test-case [INFO] finished tweaking git repo https://github.com/catdogpandas/rust-test-case [INFO] tweaked toml for git repo https://github.com/catdogpandas/rust-test-case written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/catdogpandas/rust-test-case 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" "+8348c7b12e5a2c6b3311d00662c71e8ceda0a1c8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+8348c7b12e5a2c6b3311d00662c71e8ceda0a1c8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0251321c5f4ed57ccccf8b5005d65b8fce99045b112c384cdfd1197257a06a75 [INFO] running `Command { std: "docker" "start" "-a" "0251321c5f4ed57ccccf8b5005d65b8fce99045b112c384cdfd1197257a06a75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0251321c5f4ed57ccccf8b5005d65b8fce99045b112c384cdfd1197257a06a75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0251321c5f4ed57ccccf8b5005d65b8fce99045b112c384cdfd1197257a06a75", kill_on_drop: false }` [INFO] [stdout] 0251321c5f4ed57ccccf8b5005d65b8fce99045b112c384cdfd1197257a06a75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+8348c7b12e5a2c6b3311d00662c71e8ceda0a1c8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00c61e81a3d08e7e25bd517e5a8dfcfca6d3529de3b08dc55d0274292915ea02 [INFO] running `Command { std: "docker" "start" "-a" "00c61e81a3d08e7e25bd517e5a8dfcfca6d3529de3b08dc55d0274292915ea02", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking rust-test-case v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/examples.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [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: `tmp_heap_alloc` [INFO] [stdout] --> src/examples.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_heap_alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let mut heap_obj: Box = Box::new(NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut heap_obj: &dyn Summary = &NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list_in_closure` [INFO] [stdout] --> src/examples.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | let list_in_closure = list; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_in_closure` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_at_mut` is never used [INFO] [stdout] --> src/examples.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn split_at_mut(values: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/examples.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> src/examples.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/examples.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [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: `tmp_heap_alloc` [INFO] [stdout] --> src/examples.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_heap_alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut v: Vec> = Vec::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tmp_heap_alloc = Box::new(1); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let mut heap_obj: Box = Box::new(NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/examples.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut heap_obj: &dyn Summary = &NewsArticle { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list_in_closure` [INFO] [stdout] --> src/examples.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | let list_in_closure = list; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_in_closure` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_at_mut` is never used [INFO] [stdout] --> src/examples.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn split_at_mut(values: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/examples.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> src/examples.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "00c61e81a3d08e7e25bd517e5a8dfcfca6d3529de3b08dc55d0274292915ea02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00c61e81a3d08e7e25bd517e5a8dfcfca6d3529de3b08dc55d0274292915ea02", kill_on_drop: false }` [INFO] [stdout] 00c61e81a3d08e7e25bd517e5a8dfcfca6d3529de3b08dc55d0274292915ea02