[INFO] updating cached repository various3211workd/dyktsr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/various3211workd/dyktsr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/various3211workd/dyktsr" "work/ex/beta-1.38-1/sources/1.37.0/gh/various3211workd/dyktsr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/various3211workd/dyktsr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/various3211workd/dyktsr" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/various3211workd/dyktsr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/various3211workd/dyktsr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b818bc448fe424d267ada976af54cd5da09d83eb
[INFO] sha for GitHub repo various3211workd/dyktsr: b818bc448fe424d267ada976af54cd5da09d83eb
[INFO] validating manifest of various3211workd/dyktsr on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of various3211workd/dyktsr on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing various3211workd/dyktsr
[INFO] finished frobbing various3211workd/dyktsr
[INFO] frobbed toml for various3211workd/dyktsr written to work/ex/beta-1.38-1/sources/1.37.0/gh/various3211workd/dyktsr/Cargo.toml
[INFO] started frobbing various3211workd/dyktsr
[INFO] finished frobbing various3211workd/dyktsr
[INFO] frobbed toml for various3211workd/dyktsr written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/various3211workd/dyktsr/Cargo.toml
[INFO] crate various3211workd/dyktsr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing various3211workd/dyktsr against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/various3211workd/dyktsr:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 75136ffe19cbcce2e90d86951fa49fec363e735d08a731914c1f876e773c6908
[INFO] running `"docker" "start" "-a" "75136ffe19cbcce2e90d86951fa49fec363e735d08a731914c1f876e773c6908"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling dyktsr v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Result`
[INFO] [stderr]  --> src/modules/make_rhythm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.19s
[INFO] running `"docker" "inspect" "75136ffe19cbcce2e90d86951fa49fec363e735d08a731914c1f876e773c6908"`
[INFO] running `"docker" "rm" "-f" "75136ffe19cbcce2e90d86951fa49fec363e735d08a731914c1f876e773c6908"`
[INFO] [stdout] 75136ffe19cbcce2e90d86951fa49fec363e735d08a731914c1f876e773c6908
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/various3211workd/dyktsr:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a9ea42dbc324024ab7101dfa57bd77d2e5019b21c232741531cf7750eafef78
[INFO] running `"docker" "start" "-a" "7a9ea42dbc324024ab7101dfa57bd77d2e5019b21c232741531cf7750eafef78"`
[INFO] [stderr]    Compiling dyktsr v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `dyktsr::*`
[INFO] [stderr]  --> tests/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use dyktsr::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] warning: unused import: `std::io::Result`
[INFO] [stderr]  --> src/modules/make_rhythm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "7a9ea42dbc324024ab7101dfa57bd77d2e5019b21c232741531cf7750eafef78"`
[INFO] running `"docker" "rm" "-f" "7a9ea42dbc324024ab7101dfa57bd77d2e5019b21c232741531cf7750eafef78"`
[INFO] [stdout] 7a9ea42dbc324024ab7101dfa57bd77d2e5019b21c232741531cf7750eafef78
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/various3211workd/dyktsr:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 28f596d0f00d4389cb910b1b0486ac5042931e399631bbde09750d53796ba5f9
[INFO] running `"docker" "start" "-a" "28f596d0f00d4389cb910b1b0486ac5042931e399631bbde09750d53796ba5f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dyktsr-43513b9ba25e9ffd
[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] [stderr]      Running /opt/crater/target/debug/deps/dyktsr-4fe1eefb90b0743b
[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] [stderr]      Running /opt/crater/target/debug/deps/lib-fdddaae0e005dd74
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dyktsr
[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" "28f596d0f00d4389cb910b1b0486ac5042931e399631bbde09750d53796ba5f9"`
[INFO] running `"docker" "rm" "-f" "28f596d0f00d4389cb910b1b0486ac5042931e399631bbde09750d53796ba5f9"`
[INFO] [stdout] 28f596d0f00d4389cb910b1b0486ac5042931e399631bbde09750d53796ba5f9