[INFO] updating cached repository nju33/bb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nju33/bb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nju33/bb" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nju33/bb"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nju33/bb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nju33/bb" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nju33/bb"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nju33/bb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 95f2591e2c51d440fcf974b431e00b65b580634d
[INFO] sha for GitHub repo nju33/bb: 95f2591e2c51d440fcf974b431e00b65b580634d
[INFO] validating manifest of nju33/bb on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nju33/bb on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nju33/bb
[INFO] finished frobbing nju33/bb
[INFO] frobbed toml for nju33/bb written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nju33/bb/Cargo.toml
[INFO] started frobbing nju33/bb
[INFO] finished frobbing nju33/bb
[INFO] frobbed toml for nju33/bb written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nju33/bb/Cargo.toml
[INFO] crate nju33/bb already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nju33/bb against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nju33/bb:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b4355a9388cc8fe25cd1d84986dd0897f77628da05f4b3b8b41ade2a8330f6ce
[INFO] running `"docker" "start" "-a" "b4355a9388cc8fe25cd1d84986dd0897f77628da05f4b3b8b41ade2a8330f6ce"`
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking bb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/config/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]   --> src/config/mod.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::collections::{BTreeMap};
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Command`, `exit`
[INFO] [stderr]   --> src/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::process::{Command, exit};
[INFO] [stderr]    |                    ^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::process::CommandExt`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::os::unix::process::CommandExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]   --> src/main.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                 ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
[INFO] [stderr]   --> src/main.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |            ^^^  ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bookmark::Bookmark`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use bookmark::Bookmark;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/config/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]   --> src/config/mod.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::collections::{BTreeMap};
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Command`, `exit`
[INFO] [stderr]   --> src/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::process::{Command, exit};
[INFO] [stderr]    |                    ^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::process::CommandExt`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::os::unix::process::CommandExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]   --> src/main.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                 ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
[INFO] [stderr]   --> src/main.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |            ^^^  ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bookmark::Bookmark`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use bookmark::Bookmark;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/config/mod.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     file.read_to_string(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/config/mod.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     file.read_to_string(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "b4355a9388cc8fe25cd1d84986dd0897f77628da05f4b3b8b41ade2a8330f6ce"`
[INFO] running `"docker" "rm" "-f" "b4355a9388cc8fe25cd1d84986dd0897f77628da05f4b3b8b41ade2a8330f6ce"`
[INFO] [stdout] b4355a9388cc8fe25cd1d84986dd0897f77628da05f4b3b8b41ade2a8330f6ce