[INFO] updating cached repository Bluecodelf/rustbf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Bluecodelf/rustbf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Bluecodelf/rustbf" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Bluecodelf/rustbf"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Bluecodelf/rustbf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Bluecodelf/rustbf" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Bluecodelf/rustbf"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Bluecodelf/rustbf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0322e2012d1b52e7974bb52cbb1e4f93ee41f99
[INFO] sha for GitHub repo Bluecodelf/rustbf: a0322e2012d1b52e7974bb52cbb1e4f93ee41f99
[INFO] validating manifest of Bluecodelf/rustbf on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Bluecodelf/rustbf on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Bluecodelf/rustbf
[INFO] finished frobbing Bluecodelf/rustbf
[INFO] frobbed toml for Bluecodelf/rustbf written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Bluecodelf/rustbf/Cargo.toml
[INFO] started frobbing Bluecodelf/rustbf
[INFO] finished frobbing Bluecodelf/rustbf
[INFO] frobbed toml for Bluecodelf/rustbf written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Bluecodelf/rustbf/Cargo.toml
[INFO] crate Bluecodelf/rustbf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Bluecodelf/rustbf against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Bluecodelf/rustbf:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 030177e58350fe1afbc5bd9bf2a0394a5d40c39f705fba7cac8843ff7a52fc4e
[INFO] running `"docker" "start" "-a" "030177e58350fe1afbc5bd9bf2a0394a5d40c39f705fba7cac8843ff7a52fc4e"`
[INFO] [stderr]     Checking rustbf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:20:60
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn execute(&mut self, ast: &Ast) -> Result<(), 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/vm.rs:24:73
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn execute_rec<'a, T>(&mut self, iter: &'a mut T) -> Result<(), Box<Error>>
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:43
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:20:60
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn execute(&mut self, ast: &Ast) -> Result<(), 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/vm.rs:24:73
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn execute_rec<'a, T>(&mut self, iter: &'a mut T) -> Result<(), Box<Error>>
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:43
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "030177e58350fe1afbc5bd9bf2a0394a5d40c39f705fba7cac8843ff7a52fc4e"`
[INFO] running `"docker" "rm" "-f" "030177e58350fe1afbc5bd9bf2a0394a5d40c39f705fba7cac8843ff7a52fc4e"`
[INFO] [stdout] 030177e58350fe1afbc5bd9bf2a0394a5d40c39f705fba7cac8843ff7a52fc4e