[INFO] updating cached repository Jeffrey-P-McAteer/mcastfs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Jeffrey-P-McAteer/mcastfs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Jeffrey-P-McAteer/mcastfs" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Jeffrey-P-McAteer/mcastfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Jeffrey-P-McAteer/mcastfs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jeffrey-P-McAteer/mcastfs" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Jeffrey-P-McAteer/mcastfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Jeffrey-P-McAteer/mcastfs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69f40c7ab87f250cbb81ad29c967a2ce1d71545b
[INFO] sha for GitHub repo Jeffrey-P-McAteer/mcastfs: 69f40c7ab87f250cbb81ad29c967a2ce1d71545b
[INFO] validating manifest of Jeffrey-P-McAteer/mcastfs on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Jeffrey-P-McAteer/mcastfs on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Jeffrey-P-McAteer/mcastfs
[INFO] finished frobbing Jeffrey-P-McAteer/mcastfs
[INFO] frobbed toml for Jeffrey-P-McAteer/mcastfs written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Jeffrey-P-McAteer/mcastfs/Cargo.toml
[INFO] started frobbing Jeffrey-P-McAteer/mcastfs
[INFO] finished frobbing Jeffrey-P-McAteer/mcastfs
[INFO] frobbed toml for Jeffrey-P-McAteer/mcastfs written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Jeffrey-P-McAteer/mcastfs/Cargo.toml
[INFO] crate Jeffrey-P-McAteer/mcastfs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Jeffrey-P-McAteer/mcastfs against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-2/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Jeffrey-P-McAteer/mcastfs:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8051d90c7c1daf20fb8fc0c3a9d10388123844cba31399299325a62866243a46
[INFO] running `"docker" "start" "-a" "8051d90c7c1daf20fb8fc0c3a9d10388123844cba31399299325a62866243a46"`
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking mcastfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::{Value, Error};
[INFO] [stderr]   |                  ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DirEntry`, `File`
[INFO] [stderr]   --> src/main.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::fs::{File,DirEntry};
[INFO] [stderr]    |               ^^^^ ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::{Value, Error};
[INFO] [stderr]   |                  ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DirEntry`, `File`
[INFO] [stderr]   --> src/main.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::fs::{File,DirEntry};
[INFO] [stderr]    |               ^^^^ ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `"docker" "inspect" "8051d90c7c1daf20fb8fc0c3a9d10388123844cba31399299325a62866243a46"`
[INFO] running `"docker" "rm" "-f" "8051d90c7c1daf20fb8fc0c3a9d10388123844cba31399299325a62866243a46"`
[INFO] [stdout] 8051d90c7c1daf20fb8fc0c3a9d10388123844cba31399299325a62866243a46