Dec 17 18:40:52.037 INFO checking nju33/bb against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:40:52.037 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nju33/bb:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:40:52.612 INFO [stdout] a1abede56a582eb0e64a46dc8acef5de7bf0ad19fb601db5024cde5ac3a68b1d
Dec 17 18:40:52.620 INFO running `"docker" "start" "-a" "a1abede56a582eb0e64a46dc8acef5de7bf0ad19fb601db5024cde5ac3a68b1d"`
Dec 17 18:40:54.315 INFO [stderr]     Checking toml v0.4.6
Dec 17 18:40:55.974 INFO [stderr]     Checking bb v0.1.0 (/opt/crater/workdir)
Dec 17 18:40:56.306 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:40:56.306 INFO [stderr]  --> src/main.rs:1:1
Dec 17 18:40:56.306 INFO [stderr]   |
Dec 17 18:40:56.306 INFO [stderr] 1 | #[macro_use]
Dec 17 18:40:56.306 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 18:40:56.306 INFO [stderr]   |
Dec 17 18:40:56.306 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:40:56.306 INFO [stderr] 
Dec 17 18:40:56.307 INFO [stderr] warning: unused import: `std::env`
Dec 17 18:40:56.307 INFO [stderr]  --> src/config/mod.rs:6:5
Dec 17 18:40:56.307 INFO [stderr]   |
Dec 17 18:40:56.307 INFO [stderr] 6 | use std::env;
Dec 17 18:40:56.307 INFO [stderr]   |     ^^^^^^^^
Dec 17 18:40:56.307 INFO [stderr] 
Dec 17 18:40:56.307 INFO [stderr] warning: unused import: `BTreeMap`
Dec 17 18:40:56.307 INFO [stderr]   --> src/config/mod.rs:11:24
Dec 17 18:40:56.307 INFO [stderr]    |
Dec 17 18:40:56.308 INFO [stderr] 11 | use std::collections::{BTreeMap};
Dec 17 18:40:56.308 INFO [stderr]    |                        ^^^^^^^^
Dec 17 18:40:56.308 INFO [stderr] 
Dec 17 18:40:56.308 INFO [stderr] warning: unused imports: `Command`, `exit`
Dec 17 18:40:56.308 INFO [stderr]   --> src/main.rs:10:20
Dec 17 18:40:56.309 INFO [stderr]    |
Dec 17 18:40:56.309 INFO [stderr] 10 | use std::process::{Command, exit};
Dec 17 18:40:56.309 INFO [stderr]    |                    ^^^^^^^  ^^^^
Dec 17 18:40:56.309 INFO [stderr] 
Dec 17 18:40:56.309 INFO [stderr] warning: unused import: `std::os::unix::process::CommandExt`
Dec 17 18:40:56.309 INFO [stderr]   --> src/main.rs:11:5
Dec 17 18:40:56.309 INFO [stderr]    |
Dec 17 18:40:56.309 INFO [stderr] 11 | use std::os::unix::process::CommandExt;
Dec 17 18:40:56.309 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:40:56.309 INFO [stderr] 
Dec 17 18:40:56.310 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 18:40:56.310 INFO [stderr]   --> src/main.rs:12:5
Dec 17 18:40:56.310 INFO [stderr]    |
Dec 17 18:40:56.310 INFO [stderr] 12 | use std::fs::File;
Dec 17 18:40:56.310 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 18:40:56.310 INFO [stderr] 
Dec 17 18:40:56.310 INFO [stderr] warning: unused imports: `PathBuf`, `Path`
Dec 17 18:40:56.310 INFO [stderr]   --> src/main.rs:13:17
Dec 17 18:40:56.310 INFO [stderr]    |
Dec 17 18:40:56.310 INFO [stderr] 13 | use std::path::{Path, PathBuf};
Dec 17 18:40:56.310 INFO [stderr]    |                 ^^^^  ^^^^^^^
Dec 17 18:40:56.310 INFO [stderr] 
Dec 17 18:40:56.310 INFO [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
Dec 17 18:40:56.310 INFO [stderr]   --> src/main.rs:14:12
Dec 17 18:40:56.310 INFO [stderr]    |
Dec 17 18:40:56.311 INFO [stderr] 14 | use clap::{Arg, App, SubCommand};
Dec 17 18:40:56.311 INFO [stderr]    |            ^^^  ^^^  ^^^^^^^^^^
Dec 17 18:40:56.311 INFO [stderr] 
Dec 17 18:40:56.311 INFO [stderr] warning: unused import: `bookmark::Bookmark`
Dec 17 18:40:56.311 INFO [stderr]   --> src/main.rs:16:5
Dec 17 18:40:56.311 INFO [stderr]    |
Dec 17 18:40:56.311 INFO [stderr] 16 | use bookmark::Bookmark;
Dec 17 18:40:56.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:40:56.311 INFO [stderr] 
Dec 17 18:40:56.360 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:40:56.360 INFO [stderr]  --> src/main.rs:1:1
Dec 17 18:40:56.360 INFO [stderr]   |
Dec 17 18:40:56.361 INFO [stderr] 1 | #[macro_use]
Dec 17 18:40:56.361 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 18:40:56.361 INFO [stderr]   |
Dec 17 18:40:56.361 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:40:56.361 INFO [stderr] 
Dec 17 18:40:56.361 INFO [stderr] warning: unused import: `std::env`
Dec 17 18:40:56.361 INFO [stderr]  --> src/config/mod.rs:6:5
Dec 17 18:40:56.362 INFO [stderr]   |
Dec 17 18:40:56.362 INFO [stderr] 6 | use std::env;
Dec 17 18:40:56.362 INFO [stderr]   |     ^^^^^^^^
Dec 17 18:40:56.362 INFO [stderr] 
Dec 17 18:40:56.362 INFO [stderr] warning: unused import: `BTreeMap`
Dec 17 18:40:56.362 INFO [stderr]   --> src/config/mod.rs:11:24
Dec 17 18:40:56.362 INFO [stderr]    |
Dec 17 18:40:56.363 INFO [stderr] 11 | use std::collections::{BTreeMap};
Dec 17 18:40:56.363 INFO [stderr]    |                        ^^^^^^^^
Dec 17 18:40:56.363 INFO [stderr] 
Dec 17 18:40:56.363 INFO [stderr] warning: unused imports: `Command`, `exit`
Dec 17 18:40:56.363 INFO [stderr]   --> src/main.rs:10:20
Dec 17 18:40:56.363 INFO [stderr]    |
Dec 17 18:40:56.363 INFO [stderr] 10 | use std::process::{Command, exit};
Dec 17 18:40:56.364 INFO [stderr]    |                    ^^^^^^^  ^^^^
Dec 17 18:40:56.364 INFO [stderr] 
Dec 17 18:40:56.364 INFO [stderr] warning: unused import: `std::os::unix::process::CommandExt`
Dec 17 18:40:56.364 INFO [stderr]   --> src/main.rs:11:5
Dec 17 18:40:56.364 INFO [stderr]    |
Dec 17 18:40:56.364 INFO [stderr] 11 | use std::os::unix::process::CommandExt;
Dec 17 18:40:56.365 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:40:56.365 INFO [stderr] 
Dec 17 18:40:56.365 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 18:40:56.365 INFO [stderr]   --> src/main.rs:12:5
Dec 17 18:40:56.365 INFO [stderr]    |
Dec 17 18:40:56.365 INFO [stderr] 12 | use std::fs::File;
Dec 17 18:40:56.365 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 18:40:56.366 INFO [stderr] 
Dec 17 18:40:56.366 INFO [stderr] warning: unused imports: `PathBuf`, `Path`
Dec 17 18:40:56.366 INFO [stderr]   --> src/main.rs:13:17
Dec 17 18:40:56.366 INFO [stderr]    |
Dec 17 18:40:56.366 INFO [stderr] 13 | use std::path::{Path, PathBuf};
Dec 17 18:40:56.366 INFO [stderr]    |                 ^^^^  ^^^^^^^
Dec 17 18:40:56.366 INFO [stderr] 
Dec 17 18:40:56.367 INFO [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
Dec 17 18:40:56.367 INFO [stderr]   --> src/main.rs:14:12
Dec 17 18:40:56.367 INFO [stderr]    |
Dec 17 18:40:56.367 INFO [stderr] 14 | use clap::{Arg, App, SubCommand};
Dec 17 18:40:56.367 INFO [stderr]    |            ^^^  ^^^  ^^^^^^^^^^
Dec 17 18:40:56.367 INFO [stderr] 
Dec 17 18:40:56.368 INFO [stderr] warning: unused import: `bookmark::Bookmark`
Dec 17 18:40:56.368 INFO [stderr]   --> src/main.rs:16:5
Dec 17 18:40:56.368 INFO [stderr]    |
Dec 17 18:40:56.368 INFO [stderr] 16 | use bookmark::Bookmark;
Dec 17 18:40:56.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:40:56.368 INFO [stderr] 
Dec 17 18:40:56.459 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:40:56.459 INFO [stderr]   --> src/config/mod.rs:57:5
Dec 17 18:40:56.459 INFO [stderr]    |
Dec 17 18:40:56.459 INFO [stderr] 57 |     file.read_to_string(&mut contents);
Dec 17 18:40:56.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:40:56.459 INFO [stderr]    |
Dec 17 18:40:56.459 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:40:56.459 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:40:56.459 INFO [stderr] 
Dec 17 18:40:56.479 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:40:56.479 INFO [stderr]   --> src/config/mod.rs:57:5
Dec 17 18:40:56.479 INFO [stderr]    |
Dec 17 18:40:56.479 INFO [stderr] 57 |     file.read_to_string(&mut contents);
Dec 17 18:40:56.479 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:40:56.479 INFO [stderr]    |
Dec 17 18:40:56.479 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:40:56.480 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:40:56.480 INFO [stderr] 
Dec 17 18:40:56.549 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
Dec 17 18:40:57.512 INFO running `"docker" "inspect" "a1abede56a582eb0e64a46dc8acef5de7bf0ad19fb601db5024cde5ac3a68b1d"`
Dec 17 18:40:57.882 INFO running `"docker" "rm" "-f" "a1abede56a582eb0e64a46dc8acef5de7bf0ad19fb601db5024cde5ac3a68b1d"`
Dec 17 18:40:58.228 INFO [stdout] a1abede56a582eb0e64a46dc8acef5de7bf0ad19fb601db5024cde5ac3a68b1d