[INFO] crate symmetric-interaction-calculus 0.1.8 is already in cache
[INFO] extracting crate symmetric-interaction-calculus 0.1.8 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/symmetric-interaction-calculus/0.1.8
[INFO] extracting crate symmetric-interaction-calculus 0.1.8 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/symmetric-interaction-calculus/0.1.8
[INFO] validating manifest of symmetric-interaction-calculus-0.1.8 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of symmetric-interaction-calculus-0.1.8 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing symmetric-interaction-calculus-0.1.8
[INFO] finished frobbing symmetric-interaction-calculus-0.1.8
[INFO] frobbed toml for symmetric-interaction-calculus-0.1.8 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/symmetric-interaction-calculus/0.1.8/Cargo.toml
[INFO] started frobbing symmetric-interaction-calculus-0.1.8
[INFO] finished frobbing symmetric-interaction-calculus-0.1.8
[INFO] frobbed toml for symmetric-interaction-calculus-0.1.8 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/symmetric-interaction-calculus/0.1.8/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking symmetric-interaction-calculus-0.1.8 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/symmetric-interaction-calculus/0.1.8:/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 86c64cdce95ddffaf99f375ff9ef3495a9d26f6874468669c726e3cf52af7e09
[INFO] running `"docker" "start" "-a" "86c64cdce95ddffaf99f375ff9ef3495a9d26f6874468669c726e3cf52af7e09"`
[INFO] [stderr]     Checking symmetric-interaction-calculus v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |                                 let mut name = nam.clone().to_vec();
[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/term.rs:452:25
[INFO] [stderr]     |
[INFO] [stderr] 452 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[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/term.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |                                 let mut name = nam.clone().to_vec();
[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/term.rs:452:25
[INFO] [stderr]     |
[INFO] [stderr] 452 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[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/term.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |                                 let mut name = nam.clone().to_vec();
[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/term.rs:452:25
[INFO] [stderr]     |
[INFO] [stderr] 452 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[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/term.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |                                 let mut name = nam.clone().to_vec();
[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/term.rs:452:25
[INFO] [stderr]     |
[INFO] [stderr] 452 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[INFO] [stderr]     |                         ----^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "86c64cdce95ddffaf99f375ff9ef3495a9d26f6874468669c726e3cf52af7e09"`
[INFO] running `"docker" "rm" "-f" "86c64cdce95ddffaf99f375ff9ef3495a9d26f6874468669c726e3cf52af7e09"`
[INFO] [stdout] 86c64cdce95ddffaf99f375ff9ef3495a9d26f6874468669c726e3cf52af7e09