[INFO] updating cached repository shvetsovdm/rust_sandbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shvetsovdm/rust_sandbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shvetsovdm/rust_sandbox" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/shvetsovdm/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/shvetsovdm/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shvetsovdm/rust_sandbox" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/shvetsovdm/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/shvetsovdm/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9674e1cd4d16adbb14e9de1363a2f4fe6e7c7394
[INFO] sha for GitHub repo shvetsovdm/rust_sandbox: 9674e1cd4d16adbb14e9de1363a2f4fe6e7c7394
[INFO] validating manifest of shvetsovdm/rust_sandbox on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shvetsovdm/rust_sandbox on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shvetsovdm/rust_sandbox
[INFO] finished frobbing shvetsovdm/rust_sandbox
[INFO] frobbed toml for shvetsovdm/rust_sandbox written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/shvetsovdm/rust_sandbox/Cargo.toml
[INFO] started frobbing shvetsovdm/rust_sandbox
[INFO] finished frobbing shvetsovdm/rust_sandbox
[INFO] frobbed toml for shvetsovdm/rust_sandbox written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/shvetsovdm/rust_sandbox/Cargo.toml
[INFO] crate shvetsovdm/rust_sandbox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shvetsovdm/rust_sandbox against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/shvetsovdm/rust_sandbox:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 68e5d960151f46c485e0ef8ddb47ca3be54df19701bd969a7ef57c89fabd8c68
[INFO] running `"docker" "start" "-a" "68e5d960151f46c485e0ef8ddb47ca3be54df19701bd969a7ef57c89fabd8c68"`
[INFO] [stderr]     Checking rust_sandbox v0.0.1 (/opt/crater/workdir)
[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: struct is never constructed: `Stick`
[INFO] [stderr]  --> src/structs_and_trait.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Stick {
[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: struct is never constructed: `Stick`
[INFO] [stderr]  --> src/structs_and_trait.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Stick {
[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 0.28s
[INFO] running `"docker" "inspect" "68e5d960151f46c485e0ef8ddb47ca3be54df19701bd969a7ef57c89fabd8c68"`
[INFO] running `"docker" "rm" "-f" "68e5d960151f46c485e0ef8ddb47ca3be54df19701bd969a7ef57c89fabd8c68"`
[INFO] [stdout] 68e5d960151f46c485e0ef8ddb47ca3be54df19701bd969a7ef57c89fabd8c68