[INFO] updating cached repository https://github.com/sireliah/sillybumper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fba152ecab8ecebe5d64ba0915d44bf7c21570c
[INFO] testing sireliah/sillybumper against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsireliah%2Fsillybumper" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sireliah/sillybumper on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sireliah/sillybumper
[INFO] finished tweaking git repo https://github.com/sireliah/sillybumper
[INFO] tweaked toml for git repo https://github.com/sireliah/sillybumper written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sireliah/sillybumper already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 179f60e2de8dd004162063df852d1df1c5497e2b176ac1bfb4b8d5fbaaa8ca88
[INFO] running `"docker" "start" "-a" "179f60e2de8dd004162063df852d1df1c5497e2b176ac1bfb4b8d5fbaaa8ca88"`
[INFO] [stderr]    Compiling sillybumper v0.1.0 (/opt/rustwide/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 12.21s
[INFO] running `"docker" "inspect" "179f60e2de8dd004162063df852d1df1c5497e2b176ac1bfb4b8d5fbaaa8ca88"`
[INFO] running `"docker" "rm" "-f" "179f60e2de8dd004162063df852d1df1c5497e2b176ac1bfb4b8d5fbaaa8ca88"`
[INFO] [stdout] 179f60e2de8dd004162063df852d1df1c5497e2b176ac1bfb4b8d5fbaaa8ca88
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 406ab06ee9ff33ba57061ea67f7139175be2e8c9ddf4ffc254e1dc8e6ecb1148
[INFO] running `"docker" "start" "-a" "406ab06ee9ff33ba57061ea67f7139175be2e8c9ddf4ffc254e1dc8e6ecb1148"`
[INFO] [stderr]    Compiling sillybumper v0.1.0 (/opt/rustwide/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 3.23s
[INFO] running `"docker" "inspect" "406ab06ee9ff33ba57061ea67f7139175be2e8c9ddf4ffc254e1dc8e6ecb1148"`
[INFO] running `"docker" "rm" "-f" "406ab06ee9ff33ba57061ea67f7139175be2e8c9ddf4ffc254e1dc8e6ecb1148"`
[INFO] [stdout] 406ab06ee9ff33ba57061ea67f7139175be2e8c9ddf4ffc254e1dc8e6ecb1148
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f73d5f0ced5d2ca5434efbaaf3325eddaa54481731cf0f2136c265b7d8172e39
[INFO] running `"docker" "start" "-a" "f73d5f0ced5d2ca5434efbaaf3325eddaa54481731cf0f2136c265b7d8172e39"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sillybumper-28c46211bf09bc69
[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] running `"docker" "inspect" "f73d5f0ced5d2ca5434efbaaf3325eddaa54481731cf0f2136c265b7d8172e39"`
[INFO] running `"docker" "rm" "-f" "f73d5f0ced5d2ca5434efbaaf3325eddaa54481731cf0f2136c265b7d8172e39"`
[INFO] [stdout] f73d5f0ced5d2ca5434efbaaf3325eddaa54481731cf0f2136c265b7d8172e39