Dec 05 06:27:26.049 INFO testing stan4cb/rust-tools against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 06:27:26.050 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 06:27:26.476 INFO [stdout] a5628ac9e5f55b87731dd4fa3a1a63ebcd575d33405e7cda93a07c3bfa38750e
Dec 05 06:27:26.478 INFO running `"docker" "start" "-a" "a5628ac9e5f55b87731dd4fa3a1a63ebcd575d33405e7cda93a07c3bfa38750e"`
Dec 05 06:27:27.776 INFO [stderr] usermod: no changes
Dec 05 06:27:27.820 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Dec 05 06:27:28.068 INFO [stderr] warning: unused import: `Write`
Dec 05 06:27:28.068 INFO [stderr]  --> src/main.rs:2:21
Dec 05 06:27:28.068 INFO [stderr]   |
Dec 05 06:27:28.068 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Dec 05 06:27:28.068 INFO [stderr]   |                     ^^^^^
Dec 05 06:27:28.068 INFO [stderr]   |
Dec 05 06:27:28.068 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 06:27:28.068 INFO [stderr] 
Dec 05 06:27:28.068 INFO [stderr] warning: unused import: `Read`
Dec 05 06:27:28.068 INFO [stderr]  --> src/tools.rs:3:15
Dec 05 06:27:28.068 INFO [stderr]   |
Dec 05 06:27:28.068 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 05 06:27:28.068 INFO [stderr]   |               ^^^^
Dec 05 06:27:28.068 INFO [stderr] 
Dec 05 06:27:28.172 INFO [stderr] warning: unused variable: `res`
Dec 05 06:27:28.172 INFO [stderr]    --> src/main.rs:135:24
Dec 05 06:27:28.172 INFO [stderr]     |
Dec 05 06:27:28.172 INFO [stderr] 135 |                     Ok(res) => {
Dec 05 06:27:28.172 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Dec 05 06:27:28.172 INFO [stderr]     |
Dec 05 06:27:28.172 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 06:27:28.172 INFO [stderr] 
Dec 05 06:27:28.204 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:28.204 INFO [stderr]    --> src/main.rs:131:17
Dec 05 06:27:28.204 INFO [stderr]     |
Dec 05 06:27:28.204 INFO [stderr] 131 |                 file.read_exact(&mut x);
Dec 05 06:27:28.204 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:28.204 INFO [stderr]     |
Dec 05 06:27:28.204 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 06:27:28.204 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:28.204 INFO [stderr] 
Dec 05 06:27:28.204 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:28.204 INFO [stderr]    --> src/main.rs:138:25
Dec 05 06:27:28.204 INFO [stderr]     |
Dec 05 06:27:28.204 INFO [stderr] 138 |                         file.read_exact(&mut a);
Dec 05 06:27:28.204 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:28.204 INFO [stderr]     |
Dec 05 06:27:28.204 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:28.204 INFO [stderr] 
Dec 05 06:27:28.204 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:28.204 INFO [stderr]    --> src/main.rs:141:25
Dec 05 06:27:28.205 INFO [stderr]     |
Dec 05 06:27:28.205 INFO [stderr] 141 |                         file.read_exact(&mut a);
Dec 05 06:27:28.205 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:28.205 INFO [stderr]     |
Dec 05 06:27:28.205 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:28.205 INFO [stderr] 
Dec 05 06:27:28.205 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:28.205 INFO [stderr]    --> src/main.rs:144:25
Dec 05 06:27:28.205 INFO [stderr]     |
Dec 05 06:27:28.205 INFO [stderr] 144 |                         file.read_exact(&mut a);
Dec 05 06:27:28.205 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:28.205 INFO [stderr]     |
Dec 05 06:27:28.205 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:28.205 INFO [stderr] 
Dec 05 06:27:29.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 05 06:27:29.090 INFO [stderr] su: No module specific data is present
Dec 05 06:27:30.086 INFO running `"docker" "inspect" "a5628ac9e5f55b87731dd4fa3a1a63ebcd575d33405e7cda93a07c3bfa38750e"`
Dec 05 06:27:30.460 INFO running `"docker" "rm" "-f" "a5628ac9e5f55b87731dd4fa3a1a63ebcd575d33405e7cda93a07c3bfa38750e"`
Dec 05 06:27:30.852 INFO [stdout] a5628ac9e5f55b87731dd4fa3a1a63ebcd575d33405e7cda93a07c3bfa38750e
Dec 05 06:27:30.854 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 06:27:31.237 INFO [stdout] fb09f0ee7d42e5b4ac20b6ec5bb9f2282269f89d96438bdefd882b7a09e09d34
Dec 05 06:27:31.240 INFO running `"docker" "start" "-a" "fb09f0ee7d42e5b4ac20b6ec5bb9f2282269f89d96438bdefd882b7a09e09d34"`
Dec 05 06:27:33.098 INFO [stderr] usermod: no changes
Dec 05 06:27:33.148 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Dec 05 06:27:33.452 INFO [stderr] warning: unused import: `Write`
Dec 05 06:27:33.452 INFO [stderr]  --> src/main.rs:2:21
Dec 05 06:27:33.452 INFO [stderr]   |
Dec 05 06:27:33.452 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Dec 05 06:27:33.452 INFO [stderr]   |                     ^^^^^
Dec 05 06:27:33.452 INFO [stderr]   |
Dec 05 06:27:33.452 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 06:27:33.452 INFO [stderr] 
Dec 05 06:27:33.452 INFO [stderr] warning: unused import: `Read`
Dec 05 06:27:33.452 INFO [stderr]  --> src/tools.rs:3:15
Dec 05 06:27:33.452 INFO [stderr]   |
Dec 05 06:27:33.452 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 05 06:27:33.452 INFO [stderr]   |               ^^^^
Dec 05 06:27:33.452 INFO [stderr] 
Dec 05 06:27:33.572 INFO [stderr] warning: unused variable: `res`
Dec 05 06:27:33.572 INFO [stderr]    --> src/main.rs:135:24
Dec 05 06:27:33.572 INFO [stderr]     |
Dec 05 06:27:33.572 INFO [stderr] 135 |                     Ok(res) => {
Dec 05 06:27:33.572 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Dec 05 06:27:33.572 INFO [stderr]     |
Dec 05 06:27:33.572 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 06:27:33.572 INFO [stderr] 
Dec 05 06:27:33.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:33.608 INFO [stderr]    --> src/main.rs:131:17
Dec 05 06:27:33.608 INFO [stderr]     |
Dec 05 06:27:33.608 INFO [stderr] 131 |                 file.read_exact(&mut x);
Dec 05 06:27:33.608 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:33.608 INFO [stderr]     |
Dec 05 06:27:33.608 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 06:27:33.608 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:33.608 INFO [stderr] 
Dec 05 06:27:33.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:33.608 INFO [stderr]    --> src/main.rs:138:25
Dec 05 06:27:33.608 INFO [stderr]     |
Dec 05 06:27:33.608 INFO [stderr] 138 |                         file.read_exact(&mut a);
Dec 05 06:27:33.608 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:33.608 INFO [stderr]     |
Dec 05 06:27:33.608 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:33.608 INFO [stderr] 
Dec 05 06:27:33.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:33.608 INFO [stderr]    --> src/main.rs:141:25
Dec 05 06:27:33.608 INFO [stderr]     |
Dec 05 06:27:33.608 INFO [stderr] 141 |                         file.read_exact(&mut a);
Dec 05 06:27:33.608 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:33.608 INFO [stderr]     |
Dec 05 06:27:33.608 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:33.608 INFO [stderr] 
Dec 05 06:27:33.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:27:33.609 INFO [stderr]    --> src/main.rs:144:25
Dec 05 06:27:33.609 INFO [stderr]     |
Dec 05 06:27:33.609 INFO [stderr] 144 |                         file.read_exact(&mut a);
Dec 05 06:27:33.609 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:27:33.609 INFO [stderr]     |
Dec 05 06:27:33.609 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:27:33.609 INFO [stderr] 
Dec 05 06:27:33.943 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 05 06:27:33.945 INFO [stderr] su: No module specific data is present
Dec 05 06:27:34.774 INFO running `"docker" "inspect" "fb09f0ee7d42e5b4ac20b6ec5bb9f2282269f89d96438bdefd882b7a09e09d34"`
Dec 05 06:27:35.028 INFO running `"docker" "rm" "-f" "fb09f0ee7d42e5b4ac20b6ec5bb9f2282269f89d96438bdefd882b7a09e09d34"`
Dec 05 06:27:35.403 INFO [stdout] fb09f0ee7d42e5b4ac20b6ec5bb9f2282269f89d96438bdefd882b7a09e09d34
Dec 05 06:27:35.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 06:27:35.912 INFO [stdout] b9b6f7532b76da23218d8e235fe4ad8b8deb1fe90ad12ba69f1bd8dd3ee200c0
Dec 05 06:27:35.916 INFO running `"docker" "start" "-a" "b9b6f7532b76da23218d8e235fe4ad8b8deb1fe90ad12ba69f1bd8dd3ee200c0"`
Dec 05 06:27:37.060 INFO [stderr] usermod: no changes
Dec 05 06:27:37.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 06:27:37.107 INFO [stderr]      Running /target/debug/deps/rust_tools-f92e1715d94d99ee
Dec 05 06:27:37.112 INFO [stdout] 
Dec 05 06:27:37.112 INFO [stdout] running 0 tests
Dec 05 06:27:37.112 INFO [stdout] 
Dec 05 06:27:37.112 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 06:27:37.112 INFO [stdout] 
Dec 05 06:27:37.120 INFO [stderr] su: No module specific data is present
Dec 05 06:27:37.676 INFO running `"docker" "inspect" "b9b6f7532b76da23218d8e235fe4ad8b8deb1fe90ad12ba69f1bd8dd3ee200c0"`
Dec 05 06:27:37.862 INFO running `"docker" "rm" "-f" "b9b6f7532b76da23218d8e235fe4ad8b8deb1fe90ad12ba69f1bd8dd3ee200c0"`
Dec 05 06:27:38.163 INFO [stdout] b9b6f7532b76da23218d8e235fe4ad8b8deb1fe90ad12ba69f1bd8dd3ee200c0