[INFO] cloning repository https://github.com/anselvo/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anselvo/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23ab46030846a6f5f3b44005f6bdd2adc8d83c18
[INFO] testing anselvo/playground/23ab46030846a6f5f3b44005f6bdd2adc8d83c18 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anselvo/playground on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anselvo/playground
[INFO] finished tweaking git repo https://github.com/anselvo/playground
[INFO] tweaked toml for git repo https://github.com/anselvo/playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anselvo/playground 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" "+nightly-2024-10-28" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing anselvo/playground/23ab46030846a6f5f3b44005f6bdd2adc8d83c18 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anselvo/playground on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anselvo/playground
[INFO] finished tweaking git repo https://github.com/anselvo/playground
[INFO] tweaked toml for git repo https://github.com/anselvo/playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anselvo/playground 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" "+nightly-2024-10-28" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing anselvo/playground/23ab46030846a6f5f3b44005f6bdd2adc8d83c18 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anselvo/playground on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anselvo/playground
[INFO] finished tweaking git repo https://github.com/anselvo/playground
[INFO] tweaked toml for git repo https://github.com/anselvo/playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anselvo/playground 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" "+nightly-2024-10-28" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing anselvo/playground/23ab46030846a6f5f3b44005f6bdd2adc8d83c18 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anselvo/playground on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anselvo/playground
[INFO] finished tweaking git repo https://github.com/anselvo/playground
[INFO] tweaked toml for git repo https://github.com/anselvo/playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anselvo/playground 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" "+nightly-2024-10-28" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing anselvo/playground/23ab46030846a6f5f3b44005f6bdd2adc8d83c18 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anselvo/playground on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anselvo/playground
[INFO] finished tweaking git repo https://github.com/anselvo/playground
[INFO] tweaked toml for git repo https://github.com/anselvo/playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anselvo/playground 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" "+nightly-2024-10-28" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f45016cd3c6ed6baa007067fcd728b8cee93d6f18fce05c38d1a3a9c2139fa6
[INFO] running `Command { std: "docker" "start" "-a" "7f45016cd3c6ed6baa007067fcd728b8cee93d6f18fce05c38d1a3a9c2139fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f45016cd3c6ed6baa007067fcd728b8cee93d6f18fce05c38d1a3a9c2139fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f45016cd3c6ed6baa007067fcd728b8cee93d6f18fce05c38d1a3a9c2139fa6", kill_on_drop: false }`
[INFO] [stdout] 7f45016cd3c6ed6baa007067fcd728b8cee93d6f18fce05c38d1a3a9c2139fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3715e0df2beb954a98bcf114f74a863c97d341812784e76202ef0320dc0ffb4e
[INFO] running `Command { std: "docker" "start" "-a" "3715e0df2beb954a98bcf114f74a863c97d341812784e76202ef0320dc0ffb4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `new` and `new_node` are never used
[INFO] [stdout]   --> src/leetcode/easy/a_21.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 8  |     #[inline]
[INFO] [stdout] 9  |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn new_node(val: i32, node: ListNode) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/patterns/singleton.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 SINGLETON.write(singleton);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/patterns/singleton.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             SINGLETON.assume_init_ref()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.37s
[INFO] running `Command { std: "docker" "inspect" "3715e0df2beb954a98bcf114f74a863c97d341812784e76202ef0320dc0ffb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3715e0df2beb954a98bcf114f74a863c97d341812784e76202ef0320dc0ffb4e", kill_on_drop: false }`
[INFO] [stdout] 3715e0df2beb954a98bcf114f74a863c97d341812784e76202ef0320dc0ffb4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044da41cb6d7aa2e53a85bfd4fa44bdc812cc5ff6e467dc1a1c5181ea758766e
[INFO] running `Command { std: "docker" "start" "-a" "044da41cb6d7aa2e53a85bfd4fa44bdc812cc5ff6e467dc1a1c5181ea758766e", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `new` and `new_node` are never used
[INFO] [stdout]   --> src/leetcode/easy/a_21.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 8  |     #[inline]
[INFO] [stdout] 9  |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn new_node(val: i32, node: ListNode) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/patterns/singleton.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 SINGLETON.write(singleton);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/patterns/singleton.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             SINGLETON.assume_init_ref()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/patterns/singleton.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 SINGLETON.write(singleton);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/patterns/singleton.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             SINGLETON.assume_init_ref()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "044da41cb6d7aa2e53a85bfd4fa44bdc812cc5ff6e467dc1a1c5181ea758766e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044da41cb6d7aa2e53a85bfd4fa44bdc812cc5ff6e467dc1a1c5181ea758766e", kill_on_drop: false }`
[INFO] [stdout] 044da41cb6d7aa2e53a85bfd4fa44bdc812cc5ff6e467dc1a1c5181ea758766e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e13652a7f957569808154b920cce8280b8aa1c2f5975bc48baaf0a4f4aec0e2
[INFO] running `Command { std: "docker" "start" "-a" "2e13652a7f957569808154b920cce8280b8aa1c2f5975bc48baaf0a4f4aec0e2", kill_on_drop: false }`
[INFO] [stderr] warning: associated functions `new` and `new_node` are never used
[INFO] [stderr]   --> src/leetcode/easy/a_21.rs:9:8
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl ListNode {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 8  |     #[inline]
[INFO] [stderr] 9  |     fn new(val: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn new_node(val: i32, node: ListNode) -> Self {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stderr]   --> src/patterns/singleton.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 SINGLETON.write(singleton);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static is discouraged
[INFO] [stderr]   --> src/patterns/singleton.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             SINGLETON.assume_init_ref()
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr] 
[INFO] [stderr] warning: `playground` (lib) generated 3 warnings
[INFO] [stderr] warning: `playground` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/playground-5daf2ff9b85b3080)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test algorithms::fib::tests::should_test_while_fib ... ok
[INFO] [stdout] test algorithms::fib::tests::should_test_recursive_fib ... ok
[INFO] [stdout] test algorithms::search::tests::should_test_recursive_search ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_bubble_sort ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_counting_sort ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_insertion_sort ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_selection_sort ... ok
[INFO] [stdout] test leetcode::easy::a_20::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test2 ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test4 ... ok
[INFO] [stdout] test leetcode::easy::a_13::tests::test ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_merge_sort ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test1 ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test3 ... ok
[INFO] [stdout] test leetcode::easy::a_26::tests::test1 ... ok
[INFO] [stdout] test leetcode::easy::a_27::tests::test1 ... ok
[INFO] [stdout] test leetcode::easy::a_27::tests::test2 ... ok
[INFO] [stdout] test leetcode::easy::a_14::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_28::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_3110::tests::test ... ok
[INFO] [stdout] test algorithms::search::tests::should_test_while_search ... ok
[INFO] [stdout] test leetcode::easy::a_35::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_26::tests::test2 ... ok
[INFO] [stdout] test leetcode::easy::a_9::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_58::tests::test ... ok
[INFO] [stdout] test leetcode::tests::test ... ok
[INFO] [stdout] test patterns::singleton::tests::should_create_only_one_instance ... ok
[INFO] [stdout] test structures::queue::tests::should_create_queue ... ok
[INFO] [stdout] test structures::queue::tests::should_pop_from_queue ... ok
[INFO] [stdout] test structures::vector::tests::should_push_to_vector ... ok
[INFO] [stdout] test structures::queue::tests::should_push_to_queue ... ok
[INFO] [stdout] test structures::vector::tests::should_pop_from_vector ... ok
[INFO] [stdout] test structures::vector::tests::should_create_vector ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/playground-5f1a0c1b5cc2a593)
[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] [stderr]    Doc-tests playground
[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" "2e13652a7f957569808154b920cce8280b8aa1c2f5975bc48baaf0a4f4aec0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e13652a7f957569808154b920cce8280b8aa1c2f5975bc48baaf0a4f4aec0e2", kill_on_drop: false }`
[INFO] [stdout] 2e13652a7f957569808154b920cce8280b8aa1c2f5975bc48baaf0a4f4aec0e2
