Nov 16 12:29:06.534 INFO testing stan4cb/rust-tools against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 12:29:06.535 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 12:29:07.000 INFO [stdout] 2a22fc8b6fab851d443ae22225ecce1f6cfa8e1d8e64065c093fa8f6b994ff6d
Nov 16 12:29:07.003 INFO running `"docker" "start" "-a" "2a22fc8b6fab851d443ae22225ecce1f6cfa8e1d8e64065c093fa8f6b994ff6d"`
Nov 16 12:29:08.686 INFO [stderr] usermod: no changes
Nov 16 12:29:08.776 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Nov 16 12:29:09.035 INFO [stderr] warning: unused import: `Write`
Nov 16 12:29:09.035 INFO [stderr]  --> src/main.rs:2:21
Nov 16 12:29:09.035 INFO [stderr]   |
Nov 16 12:29:09.036 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 16 12:29:09.036 INFO [stderr]   |                     ^^^^^
Nov 16 12:29:09.036 INFO [stderr]   |
Nov 16 12:29:09.036 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 12:29:09.036 INFO [stderr] 
Nov 16 12:29:09.037 INFO [stderr] warning: unused import: `Read`
Nov 16 12:29:09.037 INFO [stderr]  --> src/tools.rs:3:15
Nov 16 12:29:09.037 INFO [stderr]   |
Nov 16 12:29:09.038 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 12:29:09.038 INFO [stderr]   |               ^^^^
Nov 16 12:29:09.038 INFO [stderr] 
Nov 16 12:29:09.159 INFO [stderr] warning: unused variable: `res`
Nov 16 12:29:09.159 INFO [stderr]    --> src/main.rs:135:24
Nov 16 12:29:09.159 INFO [stderr]     |
Nov 16 12:29:09.159 INFO [stderr] 135 |                     Ok(res) => {
Nov 16 12:29:09.159 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 16 12:29:09.159 INFO [stderr]     |
Nov 16 12:29:09.159 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 12:29:09.159 INFO [stderr] 
Nov 16 12:29:09.209 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:09.210 INFO [stderr]    --> src/main.rs:131:17
Nov 16 12:29:09.210 INFO [stderr]     |
Nov 16 12:29:09.210 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 16 12:29:09.210 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:09.211 INFO [stderr]     |
Nov 16 12:29:09.211 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 12:29:09.211 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:09.212 INFO [stderr] 
Nov 16 12:29:09.212 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:09.212 INFO [stderr]    --> src/main.rs:138:25
Nov 16 12:29:09.213 INFO [stderr]     |
Nov 16 12:29:09.213 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 16 12:29:09.213 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:09.213 INFO [stderr]     |
Nov 16 12:29:09.214 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:09.214 INFO [stderr] 
Nov 16 12:29:09.214 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:09.215 INFO [stderr]    --> src/main.rs:141:25
Nov 16 12:29:09.222 INFO [stderr]     |
Nov 16 12:29:09.222 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 16 12:29:09.222 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:09.223 INFO [stderr]     |
Nov 16 12:29:09.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:09.223 INFO [stderr] 
Nov 16 12:29:09.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:09.223 INFO [stderr]    --> src/main.rs:144:25
Nov 16 12:29:09.223 INFO [stderr]     |
Nov 16 12:29:09.223 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 16 12:29:09.223 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:09.223 INFO [stderr]     |
Nov 16 12:29:09.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:09.223 INFO [stderr] 
Nov 16 12:29:10.077 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Nov 16 12:29:10.078 INFO [stderr] su: No module specific data is present
Nov 16 12:29:10.788 INFO running `"docker" "inspect" "2a22fc8b6fab851d443ae22225ecce1f6cfa8e1d8e64065c093fa8f6b994ff6d"`
Nov 16 12:29:11.245 INFO running `"docker" "rm" "-f" "2a22fc8b6fab851d443ae22225ecce1f6cfa8e1d8e64065c093fa8f6b994ff6d"`
Nov 16 12:29:11.447 INFO [stdout] 2a22fc8b6fab851d443ae22225ecce1f6cfa8e1d8e64065c093fa8f6b994ff6d
Nov 16 12:29:11.454 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 12:29:11.924 INFO [stdout] d05983035737d7e707fc6969e852de1a463e8f8ebe773df4b8118d236db2cc8e
Nov 16 12:29:11.926 INFO running `"docker" "start" "-a" "d05983035737d7e707fc6969e852de1a463e8f8ebe773df4b8118d236db2cc8e"`
Nov 16 12:29:14.146 INFO [stderr] usermod: no changes
Nov 16 12:29:14.239 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Nov 16 12:29:14.487 INFO [stderr] warning: unused import: `Write`
Nov 16 12:29:14.487 INFO [stderr]  --> src/main.rs:2:21
Nov 16 12:29:14.487 INFO [stderr]   |
Nov 16 12:29:14.487 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 16 12:29:14.487 INFO [stderr]   |                     ^^^^^
Nov 16 12:29:14.487 INFO [stderr]   |
Nov 16 12:29:14.487 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 12:29:14.487 INFO [stderr] 
Nov 16 12:29:14.487 INFO [stderr] warning: unused import: `Read`
Nov 16 12:29:14.487 INFO [stderr]  --> src/tools.rs:3:15
Nov 16 12:29:14.487 INFO [stderr]   |
Nov 16 12:29:14.487 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 12:29:14.487 INFO [stderr]   |               ^^^^
Nov 16 12:29:14.487 INFO [stderr] 
Nov 16 12:29:14.631 INFO [stderr] warning: unused variable: `res`
Nov 16 12:29:14.631 INFO [stderr]    --> src/main.rs:135:24
Nov 16 12:29:14.631 INFO [stderr]     |
Nov 16 12:29:14.631 INFO [stderr] 135 |                     Ok(res) => {
Nov 16 12:29:14.631 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 16 12:29:14.631 INFO [stderr]     |
Nov 16 12:29:14.631 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 12:29:14.631 INFO [stderr] 
Nov 16 12:29:14.680 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:14.680 INFO [stderr]    --> src/main.rs:131:17
Nov 16 12:29:14.680 INFO [stderr]     |
Nov 16 12:29:14.680 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 16 12:29:14.680 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:14.680 INFO [stderr]     |
Nov 16 12:29:14.680 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 12:29:14.680 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:14.680 INFO [stderr] 
Nov 16 12:29:14.680 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:14.680 INFO [stderr]    --> src/main.rs:138:25
Nov 16 12:29:14.680 INFO [stderr]     |
Nov 16 12:29:14.680 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 16 12:29:14.680 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:14.680 INFO [stderr]     |
Nov 16 12:29:14.680 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:14.680 INFO [stderr] 
Nov 16 12:29:14.680 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:14.680 INFO [stderr]    --> src/main.rs:141:25
Nov 16 12:29:14.680 INFO [stderr]     |
Nov 16 12:29:14.680 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 16 12:29:14.680 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:14.680 INFO [stderr]     |
Nov 16 12:29:14.680 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:14.681 INFO [stderr] 
Nov 16 12:29:14.681 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:14.681 INFO [stderr]    --> src/main.rs:144:25
Nov 16 12:29:14.681 INFO [stderr]     |
Nov 16 12:29:14.681 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 16 12:29:14.681 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:14.681 INFO [stderr]     |
Nov 16 12:29:14.681 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:14.681 INFO [stderr] 
Nov 16 12:29:15.109 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Nov 16 12:29:15.112 INFO [stderr] su: No module specific data is present
Nov 16 12:29:16.635 INFO running `"docker" "inspect" "d05983035737d7e707fc6969e852de1a463e8f8ebe773df4b8118d236db2cc8e"`
Nov 16 12:29:16.943 INFO running `"docker" "rm" "-f" "d05983035737d7e707fc6969e852de1a463e8f8ebe773df4b8118d236db2cc8e"`
Nov 16 12:29:17.207 INFO [stdout] d05983035737d7e707fc6969e852de1a463e8f8ebe773df4b8118d236db2cc8e
Nov 16 12:29:17.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 12:29:17.635 INFO [stdout] 94b21830c0fe0c602e446c06243f60c6cdb5291cdff399005f6326c163277fb7
Nov 16 12:29:17.642 INFO running `"docker" "start" "-a" "94b21830c0fe0c602e446c06243f60c6cdb5291cdff399005f6326c163277fb7"`
Nov 16 12:29:18.811 INFO [stderr] usermod: no changes
Nov 16 12:29:18.867 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 16 12:29:18.867 INFO [stderr]      Running /target/debug/deps/rust_tools-57a8f7f5720db2fd
Nov 16 12:29:18.875 INFO [stdout] 
Nov 16 12:29:18.875 INFO [stdout] running 0 tests
Nov 16 12:29:18.875 INFO [stdout] 
Nov 16 12:29:18.875 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 12:29:18.875 INFO [stdout] 
Nov 16 12:29:18.882 INFO [stderr] su: No module specific data is present
Nov 16 12:29:19.509 INFO running `"docker" "inspect" "94b21830c0fe0c602e446c06243f60c6cdb5291cdff399005f6326c163277fb7"`
Nov 16 12:29:19.889 INFO running `"docker" "rm" "-f" "94b21830c0fe0c602e446c06243f60c6cdb5291cdff399005f6326c163277fb7"`
Nov 16 12:29:20.259 INFO [stdout] 94b21830c0fe0c602e446c06243f60c6cdb5291cdff399005f6326c163277fb7