[INFO] updating cached repository solarnz/ec2-ip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/solarnz/ec2-ip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/solarnz/ec2-ip" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/solarnz/ec2-ip"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/solarnz/ec2-ip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/solarnz/ec2-ip" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/solarnz/ec2-ip"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/solarnz/ec2-ip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 232f27244044a17e9ecebcdc2e5b06eee809c2be
[INFO] sha for GitHub repo solarnz/ec2-ip: 232f27244044a17e9ecebcdc2e5b06eee809c2be
[INFO] validating manifest of solarnz/ec2-ip 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 solarnz/ec2-ip 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 solarnz/ec2-ip
[INFO] finished frobbing solarnz/ec2-ip
[INFO] frobbed toml for solarnz/ec2-ip written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/solarnz/ec2-ip/Cargo.toml
[INFO] started frobbing solarnz/ec2-ip
[INFO] finished frobbing solarnz/ec2-ip
[INFO] frobbed toml for solarnz/ec2-ip written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/solarnz/ec2-ip/Cargo.toml
[INFO] crate solarnz/ec2-ip 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 solarnz/ec2-ip against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/solarnz/ec2-ip:/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] a81fdc8fa765e9c8aa7a8b1d1541d121d57c38bcb3cbef97bc3a9632bfc68dbe
[INFO] running `"docker" "start" "-a" "a81fdc8fa765e9c8aa7a8b1d1541d121d57c38bcb3cbef97bc3a9632bfc68dbe"`
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]    Compiling rusoto_core v0.34.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking skim v0.5.2
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking rusoto_credential v0.13.0
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]     Checking rusoto_ec2 v0.34.0
[INFO] [stderr]     Checking ec2-ip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let mut filters: Vec<Filter> = vec![Filter {
[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:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let mut filters: Vec<Filter> = vec![Filter {
[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 1m 07s
[INFO] running `"docker" "inspect" "a81fdc8fa765e9c8aa7a8b1d1541d121d57c38bcb3cbef97bc3a9632bfc68dbe"`
[INFO] running `"docker" "rm" "-f" "a81fdc8fa765e9c8aa7a8b1d1541d121d57c38bcb3cbef97bc3a9632bfc68dbe"`
[INFO] [stdout] a81fdc8fa765e9c8aa7a8b1d1541d121d57c38bcb3cbef97bc3a9632bfc68dbe