[INFO] cloning repository https://github.com/shvetsovdm/rust_sandbox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shvetsovdm/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshvetsovdm%2Frust_sandbox"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshvetsovdm%2Frust_sandbox'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9674e1cd4d16adbb14e9de1363a2f4fe6e7c7394
[INFO] checking shvetsovdm/rust_sandbox against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshvetsovdm%2Frust_sandbox" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shvetsovdm/rust_sandbox on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shvetsovdm/rust_sandbox
[INFO] finished tweaking git repo https://github.com/shvetsovdm/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/shvetsovdm/rust_sandbox written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/shvetsovdm/rust_sandbox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b0bc7661ae007ae3505e7b6fe64ebb141c3b8329ce9ce9ecee71eb83dcd57159
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b0bc7661ae007ae3505e7b6fe64ebb141c3b8329ce9ce9ecee71eb83dcd57159"`
[INFO] [stderr]     Checking rust_sandbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/structs_and_trait.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |     weapon: &'weapon Weapon,
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Weapon`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/structs_and_trait.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |     weapon: &'weapon Weapon,
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Weapon`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/thread_and_channel_1.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/non_blocking_io.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/string_match.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Str`
[INFO] [stderr]   --> src/string_match.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum Str<'str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/structs_and_trait.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new() -> Stick {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Character`
[INFO] [stderr]   --> src/structs_and_trait.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Character<'weapon> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/structs_and_trait.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/thread_and_channel_1.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/non_blocking_io.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/string_match.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Str`
[INFO] [stderr]   --> src/string_match.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum Str<'str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/structs_and_trait.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new() -> Stick {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Character`
[INFO] [stderr]   --> src/structs_and_trait.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Character<'weapon> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/structs_and_trait.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "b0bc7661ae007ae3505e7b6fe64ebb141c3b8329ce9ce9ecee71eb83dcd57159"`
[INFO] running `"docker" "rm" "-f" "b0bc7661ae007ae3505e7b6fe64ebb141c3b8329ce9ce9ecee71eb83dcd57159"`
[INFO] [stdout] b0bc7661ae007ae3505e7b6fe64ebb141c3b8329ce9ce9ecee71eb83dcd57159