[INFO] crate fsmulator 0.1.0 is already in cache
[INFO] extracting crate fsmulator 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fsmulator/0.1.0
[INFO] extracting crate fsmulator 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fsmulator/0.1.0
[INFO] validating manifest of fsmulator-0.1.0 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 fsmulator-0.1.0 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 fsmulator-0.1.0
[INFO] finished frobbing fsmulator-0.1.0
[INFO] frobbed toml for fsmulator-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fsmulator/0.1.0/Cargo.toml
[INFO] started frobbing fsmulator-0.1.0
[INFO] finished frobbing fsmulator-0.1.0
[INFO] frobbed toml for fsmulator-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fsmulator/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 fsmulator-0.1.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fsmulator/0.1.0:/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] 672157869d5668e9f2bec4a9b8f4d15b6c0dfefc652957a3a13268c230bb868f
[INFO] running `"docker" "start" "-a" "672157869d5668e9f2bec4a9b8f4d15b6c0dfefc652957a3a13268c230bb868f"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling fsmulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stderr]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `"docker" "inspect" "672157869d5668e9f2bec4a9b8f4d15b6c0dfefc652957a3a13268c230bb868f"`
[INFO] running `"docker" "rm" "-f" "672157869d5668e9f2bec4a9b8f4d15b6c0dfefc652957a3a13268c230bb868f"`
[INFO] [stdout] 672157869d5668e9f2bec4a9b8f4d15b6c0dfefc652957a3a13268c230bb868f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fsmulator/0.1.0:/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] 1e5eef01ac07e7ec83487b51aaf07ded27ff6364e83f969f823a1f1dcb6c8b71
[INFO] running `"docker" "start" "-a" "1e5eef01ac07e7ec83487b51aaf07ded27ff6364e83f969f823a1f1dcb6c8b71"`
[INFO] [stderr]    Compiling fsmulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stderr]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "1e5eef01ac07e7ec83487b51aaf07ded27ff6364e83f969f823a1f1dcb6c8b71"`
[INFO] running `"docker" "rm" "-f" "1e5eef01ac07e7ec83487b51aaf07ded27ff6364e83f969f823a1f1dcb6c8b71"`
[INFO] [stdout] 1e5eef01ac07e7ec83487b51aaf07ded27ff6364e83f969f823a1f1dcb6c8b71
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fsmulator/0.1.0:/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] 6f85bb195c1a1974497f69c6f773aa6aa1f1b4fd67cf107570bec752b59ac346
[INFO] running `"docker" "start" "-a" "6f85bb195c1a1974497f69c6f773aa6aa1f1b4fd67cf107570bec752b59ac346"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fsmulator-94641a8e7518fdab
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fsmulator-09b894701f2c75aa
[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] [stdout] 
[INFO] [stderr]    Doc-tests fsmulator
[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] [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" "6f85bb195c1a1974497f69c6f773aa6aa1f1b4fd67cf107570bec752b59ac346"`
[INFO] running `"docker" "rm" "-f" "6f85bb195c1a1974497f69c6f773aa6aa1f1b4fd67cf107570bec752b59ac346"`
[INFO] [stdout] 6f85bb195c1a1974497f69c6f773aa6aa1f1b4fd67cf107570bec752b59ac346