[INFO] updating cached repository kenan-rhoton/tik
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kenan-rhoton/tik
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kenan-rhoton/tik" "work/ex/beta-1.38-1/sources/1.37.0/gh/kenan-rhoton/tik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kenan-rhoton/tik'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kenan-rhoton/tik" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenan-rhoton/tik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenan-rhoton/tik'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 712f73096e30f194b676cd83e46e737318d00ca9
[INFO] sha for GitHub repo kenan-rhoton/tik: 712f73096e30f194b676cd83e46e737318d00ca9
[INFO] validating manifest of kenan-rhoton/tik 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 kenan-rhoton/tik 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 kenan-rhoton/tik
[INFO] finished frobbing kenan-rhoton/tik
[INFO] frobbed toml for kenan-rhoton/tik written to work/ex/beta-1.38-1/sources/1.37.0/gh/kenan-rhoton/tik/Cargo.toml
[INFO] started frobbing kenan-rhoton/tik
[INFO] finished frobbing kenan-rhoton/tik
[INFO] frobbed toml for kenan-rhoton/tik written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenan-rhoton/tik/Cargo.toml
[INFO] crate kenan-rhoton/tik 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 kenan-rhoton/tik against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kenan-rhoton/tik:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 56c5df2a8ab64ede6fb366a25fc42962184f6e6169573893a461a3e4ca81bec7
[INFO] running `"docker" "start" "-a" "56c5df2a8ab64ede6fb366a25fc42962184f6e6169573893a461a3e4ca81bec7"`
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling tik v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         for mut day in self.days.iter_mut() {
[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 27.48s
[INFO] running `"docker" "inspect" "56c5df2a8ab64ede6fb366a25fc42962184f6e6169573893a461a3e4ca81bec7"`
[INFO] running `"docker" "rm" "-f" "56c5df2a8ab64ede6fb366a25fc42962184f6e6169573893a461a3e4ca81bec7"`
[INFO] [stdout] 56c5df2a8ab64ede6fb366a25fc42962184f6e6169573893a461a3e4ca81bec7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kenan-rhoton/tik:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 07b60bdedaef06f78d4714e4d81561894e04ff9a31aa8e1c5e9dbd0f46361085
[INFO] running `"docker" "start" "-a" "07b60bdedaef06f78d4714e4d81561894e04ff9a31aa8e1c5e9dbd0f46361085"`
[INFO] [stderr]    Compiling tik v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         for mut day in self.days.iter_mut() {
[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 1.70s
[INFO] running `"docker" "inspect" "07b60bdedaef06f78d4714e4d81561894e04ff9a31aa8e1c5e9dbd0f46361085"`
[INFO] running `"docker" "rm" "-f" "07b60bdedaef06f78d4714e4d81561894e04ff9a31aa8e1c5e9dbd0f46361085"`
[INFO] [stdout] 07b60bdedaef06f78d4714e4d81561894e04ff9a31aa8e1c5e9dbd0f46361085
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kenan-rhoton/tik:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f1096a1cd129cfd968ba08685886ce2a49bbaf8c771ed680f61f5c624eb8d68a
[INFO] running `"docker" "start" "-a" "f1096a1cd129cfd968ba08685886ce2a49bbaf8c771ed680f61f5c624eb8d68a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tik-f62e7c52326f4a75
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_tik ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f1096a1cd129cfd968ba08685886ce2a49bbaf8c771ed680f61f5c624eb8d68a"`
[INFO] running `"docker" "rm" "-f" "f1096a1cd129cfd968ba08685886ce2a49bbaf8c771ed680f61f5c624eb8d68a"`
[INFO] [stdout] f1096a1cd129cfd968ba08685886ce2a49bbaf8c771ed680f61f5c624eb8d68a