[INFO] updating cached repository https://github.com/mgrabmueller/med
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eea892b4e510feaa621765d7c2bfa16f7c4ee523
[INFO] testing mgrabmueller/med against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgrabmueller%2Fmed" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgrabmueller/med on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mgrabmueller/med
[INFO] finished tweaking git repo https://github.com/mgrabmueller/med
[INFO] tweaked toml for git repo https://github.com/mgrabmueller/med written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mgrabmueller/med already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 440306ec35045382286ec281f5b1dbfc85b43c6529e45387987644d6d433371c
[INFO] running `"docker" "start" "-a" "440306ec35045382286ec281f5b1dbfc85b43c6529e45387987644d6d433371c"`
[INFO] [stderr]    Compiling med v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1058:13
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         let mut f = BufReader::new(File::open(fname)?);
[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:1671:13
[INFO] [stderr]      |
[INFO] [stderr] 1671 |         let mut last_cmd = Some(c);
[INFO] [stderr]      |             ----^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "440306ec35045382286ec281f5b1dbfc85b43c6529e45387987644d6d433371c"`
[INFO] running `"docker" "rm" "-f" "440306ec35045382286ec281f5b1dbfc85b43c6529e45387987644d6d433371c"`
[INFO] [stdout] 440306ec35045382286ec281f5b1dbfc85b43c6529e45387987644d6d433371c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 220770edfc9f9d8a2b365c7acd6c7cae9bacc56b5a93706572c5d86d94621823
[INFO] running `"docker" "start" "-a" "220770edfc9f9d8a2b365c7acd6c7cae9bacc56b5a93706572c5d86d94621823"`
[INFO] [stderr]    Compiling med v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1058:13
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         let mut f = BufReader::new(File::open(fname)?);
[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:1671:13
[INFO] [stderr]      |
[INFO] [stderr] 1671 |         let mut last_cmd = Some(c);
[INFO] [stderr]      |             ----^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "220770edfc9f9d8a2b365c7acd6c7cae9bacc56b5a93706572c5d86d94621823"`
[INFO] running `"docker" "rm" "-f" "220770edfc9f9d8a2b365c7acd6c7cae9bacc56b5a93706572c5d86d94621823"`
[INFO] [stdout] 220770edfc9f9d8a2b365c7acd6c7cae9bacc56b5a93706572c5d86d94621823
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 5a4360ef00174e12e252f58f90d3ef4e26ddb14ba9a494dc3545321472e9c937
[INFO] running `"docker" "start" "-a" "5a4360ef00174e12e252f58f90d3ef4e26ddb14ba9a494dc3545321472e9c937"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/med-a0260a6466ad2609
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::prompt_set ... ok
[INFO] [stdout] test test::mark ... ok
[INFO] [stdout] test test::prompt_toggle ... ok
[INFO] [stdout] test test::quit_modified3 ... ok
[INFO] [stdout] test test::quit_modified ... ok
[INFO] [stdout] test test::prompt_set2 ... ok
[INFO] [stdout] test test::quit_unmodified2 ... ok
[INFO] [stdout] test test::quit_modified2 ... ok
[INFO] [stdout] test test::quit_unmodified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5a4360ef00174e12e252f58f90d3ef4e26ddb14ba9a494dc3545321472e9c937"`
[INFO] running `"docker" "rm" "-f" "5a4360ef00174e12e252f58f90d3ef4e26ddb14ba9a494dc3545321472e9c937"`
[INFO] [stdout] 5a4360ef00174e12e252f58f90d3ef4e26ddb14ba9a494dc3545321472e9c937