[INFO] updating cached repository sireliah/sillybumper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sireliah/sillybumper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sireliah/sillybumper" "work/ex/beta-1.38-1/sources/1.37.0/gh/sireliah/sillybumper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sireliah/sillybumper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sireliah/sillybumper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sireliah/sillybumper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sireliah/sillybumper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fba152ecab8ecebe5d64ba0915d44bf7c21570c
[INFO] sha for GitHub repo sireliah/sillybumper: 2fba152ecab8ecebe5d64ba0915d44bf7c21570c
[INFO] validating manifest of sireliah/sillybumper 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 sireliah/sillybumper 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 sireliah/sillybumper
[INFO] finished frobbing sireliah/sillybumper
[INFO] frobbed toml for sireliah/sillybumper written to work/ex/beta-1.38-1/sources/1.37.0/gh/sireliah/sillybumper/Cargo.toml
[INFO] started frobbing sireliah/sillybumper
[INFO] finished frobbing sireliah/sillybumper
[INFO] frobbed toml for sireliah/sillybumper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sireliah/sillybumper/Cargo.toml
[INFO] crate sireliah/sillybumper 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sireliah/sillybumper/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "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 sireliah/sillybumper 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-5/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/sireliah/sillybumper:/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] 361691255a40e1cf4739256f6aa99b1626f188156510cd9f69c99fdda881875f
[INFO] running `"docker" "start" "-a" "361691255a40e1cf4739256f6aa99b1626f188156510cd9f69c99fdda881875f"`
[INFO] [stderr]    Compiling sillybumper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:61
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box<std::error::Error>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/main.rs:71:54
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn read_file(file_path: &Path) -> Result<String, Box<std::error::Error>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:78:79
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `"docker" "inspect" "361691255a40e1cf4739256f6aa99b1626f188156510cd9f69c99fdda881875f"`
[INFO] running `"docker" "rm" "-f" "361691255a40e1cf4739256f6aa99b1626f188156510cd9f69c99fdda881875f"`
[INFO] [stdout] 361691255a40e1cf4739256f6aa99b1626f188156510cd9f69c99fdda881875f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/sireliah/sillybumper:/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] e4b1624ae909c3f644f96d83b7b7fd17d142fcc76fbb783a5c2d25378fead062
[INFO] running `"docker" "start" "-a" "e4b1624ae909c3f644f96d83b7b7fd17d142fcc76fbb783a5c2d25378fead062"`
[INFO] [stderr]    Compiling sillybumper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:61
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box<std::error::Error>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/main.rs:71:54
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn read_file(file_path: &Path) -> Result<String, Box<std::error::Error>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:78:79
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `"docker" "inspect" "e4b1624ae909c3f644f96d83b7b7fd17d142fcc76fbb783a5c2d25378fead062"`
[INFO] running `"docker" "rm" "-f" "e4b1624ae909c3f644f96d83b7b7fd17d142fcc76fbb783a5c2d25378fead062"`
[INFO] [stdout] e4b1624ae909c3f644f96d83b7b7fd17d142fcc76fbb783a5c2d25378fead062
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/sireliah/sillybumper:/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] aa58528a8691f40e23cda92b489c9c024f014c25aee2ede8f2a66331241fb710
[INFO] running `"docker" "start" "-a" "aa58528a8691f40e23cda92b489c9c024f014c25aee2ede8f2a66331241fb710"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_parse_contents ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sillybumper-8b492105b32331ac
[INFO] running `"docker" "inspect" "aa58528a8691f40e23cda92b489c9c024f014c25aee2ede8f2a66331241fb710"`
[INFO] running `"docker" "rm" "-f" "aa58528a8691f40e23cda92b489c9c024f014c25aee2ede8f2a66331241fb710"`
[INFO] [stdout] aa58528a8691f40e23cda92b489c9c024f014c25aee2ede8f2a66331241fb710