[INFO] updating cached repository Zedjones/Reddit-Refresh-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Zedjones/Reddit-Refresh-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Zedjones/Reddit-Refresh-Rust" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Zedjones/Reddit-Refresh-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Zedjones/Reddit-Refresh-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zedjones/Reddit-Refresh-Rust" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Zedjones/Reddit-Refresh-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Zedjones/Reddit-Refresh-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdef50494129124413e6294674c41c44b721b6e2
[INFO] sha for GitHub repo Zedjones/Reddit-Refresh-Rust: cdef50494129124413e6294674c41c44b721b6e2
[INFO] validating manifest of Zedjones/Reddit-Refresh-Rust 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 Zedjones/Reddit-Refresh-Rust 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 Zedjones/Reddit-Refresh-Rust
[INFO] finished frobbing Zedjones/Reddit-Refresh-Rust
[INFO] frobbed toml for Zedjones/Reddit-Refresh-Rust written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Zedjones/Reddit-Refresh-Rust/Cargo.toml
[INFO] started frobbing Zedjones/Reddit-Refresh-Rust
[INFO] finished frobbing Zedjones/Reddit-Refresh-Rust
[INFO] frobbed toml for Zedjones/Reddit-Refresh-Rust written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Zedjones/Reddit-Refresh-Rust/Cargo.toml
[INFO] crate Zedjones/Reddit-Refresh-Rust 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Zedjones/Reddit-Refresh-Rust against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-7/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Zedjones/Reddit-Refresh-Rust:/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] d46dfa2755a5172d448b97269f59d17596ae46728f76f479ff8133f4cf90660e
[INFO] running `"docker" "start" "-a" "d46dfa2755a5172d448b97269f59d17596ae46728f76f479ff8133f4cf90660e"`
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking serde_urlencoded v0.5.2
[INFO] [stderr]     Checking serde-hjson v0.8.1
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking config v0.8.0
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking reddit_refresh_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut toml_friendly_nick = &device.0;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut toml_friendly_nick = &device.0;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.50s
[INFO] running `"docker" "inspect" "d46dfa2755a5172d448b97269f59d17596ae46728f76f479ff8133f4cf90660e"`
[INFO] running `"docker" "rm" "-f" "d46dfa2755a5172d448b97269f59d17596ae46728f76f479ff8133f4cf90660e"`
[INFO] [stdout] d46dfa2755a5172d448b97269f59d17596ae46728f76f479ff8133f4cf90660e