[INFO] updating cached repository oftlisp/oftb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/oftlisp/oftb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/oftlisp/oftb" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/oftlisp/oftb"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/oftlisp/oftb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/oftlisp/oftb" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/oftlisp/oftb"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/oftlisp/oftb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 42e534cfe5a9c3364cfd6551ce2860367e1c778e
[INFO] sha for GitHub repo oftlisp/oftb: 42e534cfe5a9c3364cfd6551ce2860367e1c778e
[INFO] validating manifest of oftlisp/oftb on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of oftlisp/oftb on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing oftlisp/oftb
[INFO] finished frobbing oftlisp/oftb
[INFO] frobbed toml for oftlisp/oftb written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/oftlisp/oftb/Cargo.toml
[INFO] started frobbing oftlisp/oftb
[INFO] finished frobbing oftlisp/oftb
[INFO] frobbed toml for oftlisp/oftb written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/oftlisp/oftb/Cargo.toml
[INFO] crate oftlisp/oftb already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking oftlisp/oftb against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-5/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/oftlisp/oftb:/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4e0ee6bcfbfad0fbe0eb9d1d12348947d06630f032e531a68e3b085361d62ad4
[INFO] running `"docker" "start" "-a" "4e0ee6bcfbfad0fbe0eb9d1d12348947d06630f032e531a68e3b085361d62ad4"`
[INFO] [stderr]     Checking spin v0.4.8
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking symbol v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking proptest v0.7.0
[INFO] [stderr]     Checking stderrlog v0.4.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]     Checking structopt v0.2.8
[INFO] [stderr]     Checking oftb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/flatanf/convert.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut ctx = imports
[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/flatanf/convert.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut ctx = imports
[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 21.77s
[INFO] running `"docker" "inspect" "4e0ee6bcfbfad0fbe0eb9d1d12348947d06630f032e531a68e3b085361d62ad4"`
[INFO] running `"docker" "rm" "-f" "4e0ee6bcfbfad0fbe0eb9d1d12348947d06630f032e531a68e3b085361d62ad4"`
[INFO] [stdout] 4e0ee6bcfbfad0fbe0eb9d1d12348947d06630f032e531a68e3b085361d62ad4