Nov 16 12:28:55.825 INFO testing stan4cb/rust-tools against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 12:28:55.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 12:28:56.251 INFO [stdout] cffdd8946e35872f897fb6ac62208291ba64a218119ca2c12a4e6d9ea1f749e8
Nov 16 12:28:56.255 INFO running `"docker" "start" "-a" "cffdd8946e35872f897fb6ac62208291ba64a218119ca2c12a4e6d9ea1f749e8"`
Nov 16 12:28:57.927 INFO [stderr] usermod: no changes
Nov 16 12:28:57.963 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Nov 16 12:28:58.195 INFO [stderr] warning: unused import: `Write`
Nov 16 12:28:58.195 INFO [stderr]  --> src/main.rs:2:21
Nov 16 12:28:58.195 INFO [stderr]   |
Nov 16 12:28:58.195 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 16 12:28:58.195 INFO [stderr]   |                     ^^^^^
Nov 16 12:28:58.195 INFO [stderr]   |
Nov 16 12:28:58.195 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 12:28:58.195 INFO [stderr] 
Nov 16 12:28:58.195 INFO [stderr] warning: unused import: `Read`
Nov 16 12:28:58.195 INFO [stderr]  --> src/tools.rs:3:15
Nov 16 12:28:58.195 INFO [stderr]   |
Nov 16 12:28:58.195 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 12:28:58.195 INFO [stderr]   |               ^^^^
Nov 16 12:28:58.195 INFO [stderr] 
Nov 16 12:28:58.295 INFO [stderr] warning: unused variable: `res`
Nov 16 12:28:58.295 INFO [stderr]    --> src/main.rs:135:24
Nov 16 12:28:58.295 INFO [stderr]     |
Nov 16 12:28:58.295 INFO [stderr] 135 |                     Ok(res) => {
Nov 16 12:28:58.295 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 16 12:28:58.295 INFO [stderr]     |
Nov 16 12:28:58.295 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 12:28:58.295 INFO [stderr] 
Nov 16 12:28:58.331 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:28:58.331 INFO [stderr]    --> src/main.rs:131:17
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 16 12:28:58.331 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 12:28:58.331 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:28:58.331 INFO [stderr] 
Nov 16 12:28:58.331 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:28:58.331 INFO [stderr]    --> src/main.rs:138:25
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 16 12:28:58.331 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:28:58.331 INFO [stderr] 
Nov 16 12:28:58.331 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:28:58.331 INFO [stderr]    --> src/main.rs:141:25
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 16 12:28:58.331 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:28:58.331 INFO [stderr] 
Nov 16 12:28:58.331 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:28:58.331 INFO [stderr]    --> src/main.rs:144:25
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 16 12:28:58.331 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:28:58.331 INFO [stderr]     |
Nov 16 12:28:58.331 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:28:58.331 INFO [stderr] 
Nov 16 12:28:59.270 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Nov 16 12:28:59.275 INFO [stderr] su: No module specific data is present
Nov 16 12:29:00.755 INFO running `"docker" "inspect" "cffdd8946e35872f897fb6ac62208291ba64a218119ca2c12a4e6d9ea1f749e8"`
Nov 16 12:29:01.001 INFO running `"docker" "rm" "-f" "cffdd8946e35872f897fb6ac62208291ba64a218119ca2c12a4e6d9ea1f749e8"`
Nov 16 12:29:01.257 INFO [stdout] cffdd8946e35872f897fb6ac62208291ba64a218119ca2c12a4e6d9ea1f749e8
Nov 16 12:29:01.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 12:29:01.667 INFO [stdout] 6baa8dd748bef47825cc8d2a26ab4c1c29fe38834df3b45e2fa922d8565ae2fa
Nov 16 12:29:01.675 INFO running `"docker" "start" "-a" "6baa8dd748bef47825cc8d2a26ab4c1c29fe38834df3b45e2fa922d8565ae2fa"`
Nov 16 12:29:02.942 INFO [stderr] usermod: no changes
Nov 16 12:29:03.035 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Nov 16 12:29:03.303 INFO [stderr] warning: unused import: `Write`
Nov 16 12:29:03.303 INFO [stderr]  --> src/main.rs:2:21
Nov 16 12:29:03.303 INFO [stderr]   |
Nov 16 12:29:03.303 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 16 12:29:03.303 INFO [stderr]   |                     ^^^^^
Nov 16 12:29:03.303 INFO [stderr]   |
Nov 16 12:29:03.303 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 12:29:03.303 INFO [stderr] 
Nov 16 12:29:03.303 INFO [stderr] warning: unused import: `Read`
Nov 16 12:29:03.303 INFO [stderr]  --> src/tools.rs:3:15
Nov 16 12:29:03.303 INFO [stderr]   |
Nov 16 12:29:03.303 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 12:29:03.303 INFO [stderr]   |               ^^^^
Nov 16 12:29:03.303 INFO [stderr] 
Nov 16 12:29:03.435 INFO [stderr] warning: unused variable: `res`
Nov 16 12:29:03.435 INFO [stderr]    --> src/main.rs:135:24
Nov 16 12:29:03.435 INFO [stderr]     |
Nov 16 12:29:03.435 INFO [stderr] 135 |                     Ok(res) => {
Nov 16 12:29:03.435 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 16 12:29:03.435 INFO [stderr]     |
Nov 16 12:29:03.435 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 12:29:03.435 INFO [stderr] 
Nov 16 12:29:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:03.475 INFO [stderr]    --> src/main.rs:131:17
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 16 12:29:03.475 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 12:29:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:03.475 INFO [stderr] 
Nov 16 12:29:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:03.475 INFO [stderr]    --> src/main.rs:138:25
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 16 12:29:03.475 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:03.475 INFO [stderr] 
Nov 16 12:29:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:03.475 INFO [stderr]    --> src/main.rs:141:25
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 16 12:29:03.475 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:03.475 INFO [stderr] 
Nov 16 12:29:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 12:29:03.475 INFO [stderr]    --> src/main.rs:144:25
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 16 12:29:03.475 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:03.475 INFO [stderr]     |
Nov 16 12:29:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 12:29:03.475 INFO [stderr] 
Nov 16 12:29:03.828 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Nov 16 12:29:03.831 INFO [stderr] su: No module specific data is present
Nov 16 12:29:05.051 INFO running `"docker" "inspect" "6baa8dd748bef47825cc8d2a26ab4c1c29fe38834df3b45e2fa922d8565ae2fa"`
Nov 16 12:29:05.387 INFO running `"docker" "rm" "-f" "6baa8dd748bef47825cc8d2a26ab4c1c29fe38834df3b45e2fa922d8565ae2fa"`
Nov 16 12:29:05.635 INFO [stdout] 6baa8dd748bef47825cc8d2a26ab4c1c29fe38834df3b45e2fa922d8565ae2fa
Nov 16 12:29:05.642 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 12:29:06.043 INFO [stdout] 4e05c44f7eddaf5d863efcc937d3424d22124d8614d5b0e37df5d58dbf778826
Nov 16 12:29:06.049 INFO running `"docker" "start" "-a" "4e05c44f7eddaf5d863efcc937d3424d22124d8614d5b0e37df5d58dbf778826"`
Nov 16 12:29:07.639 INFO [stderr] usermod: no changes
Nov 16 12:29:07.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 12:29:07.711 INFO [stderr]      Running /target/debug/deps/rust_tools-073bd66010f9e9ce
Nov 16 12:29:07.714 INFO [stdout] 
Nov 16 12:29:07.714 INFO [stdout] running 0 tests
Nov 16 12:29:07.714 INFO [stdout] 
Nov 16 12:29:07.714 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 12:29:07.714 INFO [stdout] 
Nov 16 12:29:07.727 INFO [stderr] su: No module specific data is present
Nov 16 12:29:08.677 INFO running `"docker" "inspect" "4e05c44f7eddaf5d863efcc937d3424d22124d8614d5b0e37df5d58dbf778826"`
Nov 16 12:29:08.947 INFO running `"docker" "rm" "-f" "4e05c44f7eddaf5d863efcc937d3424d22124d8614d5b0e37df5d58dbf778826"`
Nov 16 12:29:09.223 INFO [stdout] 4e05c44f7eddaf5d863efcc937d3424d22124d8614d5b0e37df5d58dbf778826