[INFO] updating cached repository https://github.com/fyrchik/ebola
[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] 7f682f9305f0900b7f72bebda0ce02459a023f61
[INFO] testing fyrchik/ebola against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffyrchik%2Febola" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fyrchik/ebola 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/fyrchik/ebola
[INFO] finished tweaking git repo https://github.com/fyrchik/ebola
[INFO] tweaked toml for git repo https://github.com/fyrchik/ebola written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fyrchik/ebola 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 8384219e817d2fd7ea3fab8182d0534bbd0a3cda16607c9c6c2796c289c44b7f
[INFO] running `"docker" "start" "-a" "8384219e817d2fd7ea3fab8182d0534bbd0a3cda16607c9c6c2796c289c44b7f"`
[INFO] [stderr]    Compiling ebola v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/main.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let mut t = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:66:13
[INFO] [stderr]     |
[INFO] [stderr] 66  |         let mut t = $f(&a1, &a2);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 113 |     compose12!(t, sum, sum, sum2, 2 3);
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "8384219e817d2fd7ea3fab8182d0534bbd0a3cda16607c9c6c2796c289c44b7f"`
[INFO] running `"docker" "rm" "-f" "8384219e817d2fd7ea3fab8182d0534bbd0a3cda16607c9c6c2796c289c44b7f"`
[INFO] [stdout] 8384219e817d2fd7ea3fab8182d0534bbd0a3cda16607c9c6c2796c289c44b7f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] eb2ba47de943aa7a6076c82f9ea5f524b0e5a2ebd1d3cde34f0eb6a927b012a8
[INFO] running `"docker" "start" "-a" "eb2ba47de943aa7a6076c82f9ea5f524b0e5a2ebd1d3cde34f0eb6a927b012a8"`
[INFO] [stderr]    Compiling ebola v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/main.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let mut t = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:66:13
[INFO] [stderr]     |
[INFO] [stderr] 66  |         let mut t = $f(&a1, &a2);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 113 |     compose12!(t, sum, sum, sum2, 2 3);
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "eb2ba47de943aa7a6076c82f9ea5f524b0e5a2ebd1d3cde34f0eb6a927b012a8"`
[INFO] running `"docker" "rm" "-f" "eb2ba47de943aa7a6076c82f9ea5f524b0e5a2ebd1d3cde34f0eb6a927b012a8"`
[INFO] [stdout] eb2ba47de943aa7a6076c82f9ea5f524b0e5a2ebd1d3cde34f0eb6a927b012a8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 7175c6f57052e1c0ab422c5fac8a2d29f72c3ae1dd7c5c7c6d5e83bf0cea81fc
[INFO] running `"docker" "start" "-a" "7175c6f57052e1c0ab422c5fac8a2d29f72c3ae1dd7c5c7c6d5e83bf0cea81fc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ebola-745124b4d483d34b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7175c6f57052e1c0ab422c5fac8a2d29f72c3ae1dd7c5c7c6d5e83bf0cea81fc"`
[INFO] running `"docker" "rm" "-f" "7175c6f57052e1c0ab422c5fac8a2d29f72c3ae1dd7c5c7c6d5e83bf0cea81fc"`
[INFO] [stdout] 7175c6f57052e1c0ab422c5fac8a2d29f72c3ae1dd7c5c7c6d5e83bf0cea81fc