[INFO] updating cached repository andete/show_bgs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andete/show_bgs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andete/show_bgs" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/andete/show_bgs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/andete/show_bgs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andete/show_bgs" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/andete/show_bgs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/andete/show_bgs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4089d645c78ba7c6e98e8321aaee5862aec97228
[INFO] sha for GitHub repo andete/show_bgs: 4089d645c78ba7c6e98e8321aaee5862aec97228
[INFO] validating manifest of andete/show_bgs on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andete/show_bgs on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andete/show_bgs
[INFO] finished frobbing andete/show_bgs
[INFO] frobbed toml for andete/show_bgs written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/andete/show_bgs/Cargo.toml
[INFO] started frobbing andete/show_bgs
[INFO] finished frobbing andete/show_bgs
[INFO] frobbed toml for andete/show_bgs written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/andete/show_bgs/Cargo.toml
[INFO] crate andete/show_bgs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking andete/show_bgs against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/andete/show_bgs:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d907fbb3f8b49a7589cdabb8648ef4f5a2db5d8a6be0597d6a3812a635531c3b
[INFO] running `"docker" "start" "-a" "d907fbb3f8b49a7589cdabb8648ef4f5a2db5d8a6be0597d6a3812a635531c3b"`
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking badlog v1.1.1
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper-tls v0.1.4
[INFO] [stderr]     Checking reqwest v0.8.8
[INFO] [stderr]     Checking show_bgs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut f = File::create(&n).unwrap();
[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/fetch.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut f = File::create(&n).unwrap();
[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/fetch.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.25s
[INFO] running `"docker" "inspect" "d907fbb3f8b49a7589cdabb8648ef4f5a2db5d8a6be0597d6a3812a635531c3b"`
[INFO] running `"docker" "rm" "-f" "d907fbb3f8b49a7589cdabb8648ef4f5a2db5d8a6be0597d6a3812a635531c3b"`
[INFO] [stdout] d907fbb3f8b49a7589cdabb8648ef4f5a2db5d8a6be0597d6a3812a635531c3b