[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Zedjones/Reddit-Refresh-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Zedjones/Reddit-Refresh-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zedjones/Reddit-Refresh-Rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Zedjones/Reddit-Refresh-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Zedjones/Reddit-Refresh-Rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Zedjones/Reddit-Refresh-Rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Zedjones/Reddit-Refresh-Rust:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fbeb507a3351cfcee2f76ab610ddbd8a9c9e57ab71c8e2797188cf1692b34cf9
[INFO] running `"docker" "start" "-a" "fbeb507a3351cfcee2f76ab610ddbd8a9c9e57ab71c8e2797188cf1692b34cf9"`
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.2
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking serde-hjson v0.8.1
[INFO] [stderr]     Checking mime_guess v2.0.0-alpha.4
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[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 29.24s
[INFO] running `"docker" "inspect" "fbeb507a3351cfcee2f76ab610ddbd8a9c9e57ab71c8e2797188cf1692b34cf9"`
[INFO] running `"docker" "rm" "-f" "fbeb507a3351cfcee2f76ab610ddbd8a9c9e57ab71c8e2797188cf1692b34cf9"`
[INFO] [stdout] fbeb507a3351cfcee2f76ab610ddbd8a9c9e57ab71c8e2797188cf1692b34cf9