[INFO] updating cached repository bnbeckwith/abes-axe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bnbeckwith/abes-axe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bnbeckwith/abes-axe" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bnbeckwith/abes-axe"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bnbeckwith/abes-axe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bnbeckwith/abes-axe" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bnbeckwith/abes-axe"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bnbeckwith/abes-axe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 05ec65da2461d9146dd2604bd9669d85614c6c29
[INFO] sha for GitHub repo bnbeckwith/abes-axe: 05ec65da2461d9146dd2604bd9669d85614c6c29
[INFO] validating manifest of bnbeckwith/abes-axe 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 bnbeckwith/abes-axe 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 bnbeckwith/abes-axe
[INFO] finished frobbing bnbeckwith/abes-axe
[INFO] frobbed toml for bnbeckwith/abes-axe written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bnbeckwith/abes-axe/Cargo.toml
[INFO] started frobbing bnbeckwith/abes-axe
[INFO] finished frobbing bnbeckwith/abes-axe
[INFO] frobbed toml for bnbeckwith/abes-axe written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bnbeckwith/abes-axe/Cargo.toml
[INFO] crate bnbeckwith/abes-axe 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking bnbeckwith/abes-axe against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bnbeckwith/abes-axe:/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c484d8ecdf423f996998a37267716109a8196e18d757fffbcb694e0667a44dce
[INFO] running `"docker" "start" "-a" "c484d8ecdf423f996998a37267716109a8196e18d757fffbcb694e0667a44dce"`
[INFO] [stderr]    Compiling openssl-sys v0.9.2
[INFO] [stderr]    Compiling cmake v0.1.19
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling curl-sys v0.3.5
[INFO] [stderr]     Checking itertools v0.5.8
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking backtrace v0.3.0
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking error-chain v0.7.1
[INFO] [stderr]     Checking pbr v1.0.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.4
[INFO] [stderr]    Compiling libgit2-sys v0.6.5
[INFO] [stderr]     Checking git2 v0.6.3
[INFO] [stderr]     Checking abes-axe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/axe.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     let mut lines = self.files.entry(filename.to_owned())
[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/axe.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     let mut lines = self.files.entry(filename.to_owned())
[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 51s
[INFO] running `"docker" "inspect" "c484d8ecdf423f996998a37267716109a8196e18d757fffbcb694e0667a44dce"`
[INFO] running `"docker" "rm" "-f" "c484d8ecdf423f996998a37267716109a8196e18d757fffbcb694e0667a44dce"`
[INFO] [stdout] c484d8ecdf423f996998a37267716109a8196e18d757fffbcb694e0667a44dce