[INFO] updating cached repository nao-kobayashi/zipr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nao-kobayashi/zipr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nao-kobayashi/zipr" "work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/zipr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/zipr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nao-kobayashi/zipr" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/zipr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/zipr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e324a1d12b89624b2ab368dfcfa8a045c8438da2
[INFO] sha for GitHub repo nao-kobayashi/zipr: e324a1d12b89624b2ab368dfcfa8a045c8438da2
[INFO] validating manifest of nao-kobayashi/zipr on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nao-kobayashi/zipr on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nao-kobayashi/zipr
[INFO] finished frobbing nao-kobayashi/zipr
[INFO] frobbed toml for nao-kobayashi/zipr written to work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/zipr/Cargo.toml
[INFO] started frobbing nao-kobayashi/zipr
[INFO] finished frobbing nao-kobayashi/zipr
[INFO] frobbed toml for nao-kobayashi/zipr written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/zipr/Cargo.toml
[INFO] crate nao-kobayashi/zipr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/zipr/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nao-kobayashi/zipr against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/zipr:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ac0d95573d76f34c37d7f1e22ab1dfb5c960e2a59119e97d0592870925408147
[INFO] running `"docker" "start" "-a" "ac0d95573d76f34c37d7f1e22ab1dfb5c960e2a59119e97d0592870925408147"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling zipr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn write_u8(writer: &mut Write, value: Vec<u8>) -> usize {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn write_u16(writer: &mut Write, value: u16) -> usize {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn write_u32(writer: &mut Write, value: u32) -> usize {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     for mut file in write_source {
[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 8.37s
[INFO] running `"docker" "inspect" "ac0d95573d76f34c37d7f1e22ab1dfb5c960e2a59119e97d0592870925408147"`
[INFO] running `"docker" "rm" "-f" "ac0d95573d76f34c37d7f1e22ab1dfb5c960e2a59119e97d0592870925408147"`
[INFO] [stdout] ac0d95573d76f34c37d7f1e22ab1dfb5c960e2a59119e97d0592870925408147
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/zipr:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b73eff47aff822990161bb439dee9a1cf84303a2ec113f8a905e24b5bfdeb23f
[INFO] running `"docker" "start" "-a" "b73eff47aff822990161bb439dee9a1cf84303a2ec113f8a905e24b5bfdeb23f"`
[INFO] [stderr]    Compiling zipr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn write_u8(writer: &mut Write, value: Vec<u8>) -> usize {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn write_u16(writer: &mut Write, value: u16) -> usize {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn write_u32(writer: &mut Write, value: u32) -> usize {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     for mut file in write_source {
[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 1.20s
[INFO] running `"docker" "inspect" "b73eff47aff822990161bb439dee9a1cf84303a2ec113f8a905e24b5bfdeb23f"`
[INFO] running `"docker" "rm" "-f" "b73eff47aff822990161bb439dee9a1cf84303a2ec113f8a905e24b5bfdeb23f"`
[INFO] [stdout] b73eff47aff822990161bb439dee9a1cf84303a2ec113f8a905e24b5bfdeb23f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/zipr:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] df4657522a6b46b9d729176a7a7b6734bc5af3f17b4dd10f1029d5f4339303ef
[INFO] running `"docker" "start" "-a" "df4657522a6b46b9d729176a7a7b6734bc5af3f17b4dd10f1029d5f4339303ef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zipr-76d602b4cf9ce6c5
[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/zipr-0ef14b75ef37208e
[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]    Doc-tests zipr
[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" "df4657522a6b46b9d729176a7a7b6734bc5af3f17b4dd10f1029d5f4339303ef"`
[INFO] running `"docker" "rm" "-f" "df4657522a6b46b9d729176a7a7b6734bc5af3f17b4dd10f1029d5f4339303ef"`
[INFO] [stdout] df4657522a6b46b9d729176a7a7b6734bc5af3f17b4dd10f1029d5f4339303ef