[INFO] updating cached repository https://github.com/arnavb/bef93
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] d94f0c9be04fd5dc0a086182342bb2c8e5fe613c
[INFO] checking arnavb/bef93 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnavb%2Fbef93" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arnavb/bef93 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/arnavb/bef93
[INFO] finished tweaking git repo https://github.com/arnavb/bef93
[INFO] tweaked toml for git repo https://github.com/arnavb/bef93 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/arnavb/bef93 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 849fc1cf450a536f2fdd1d893034290b3b5dc0103127a58d582200362b4c3e04
[INFO] running `"docker" "start" "-a" "849fc1cf450a536f2fdd1d893034290b3b5dc0103127a58d582200362b4c3e04"`
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking bef93 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/befunge/interpreter.rs:83:49
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn execute(&mut self) -> Result<(), Box<StdError>> {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/befunge/interpreter.rs:139:74
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn run_unary_operation(&mut self, operation: char) -> Result<(), Box<StdError>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/befunge/interpreter.rs:182:75
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn run_binary_operation(&mut self, operation: char) -> Result<(), Box<StdError>> {
[INFO] [stderr]     |                                                                           ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/befunge/interpreter.rs:223:74
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn run_other_operation(&mut self, operation: char) -> Result<(), Box<StdError>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/befunge/interpreter.rs:279:56
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn convert_int_to_char(value: i64) -> Result<char, Box<StdError>> {
[INFO] [stderr]     |                                                        ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn cli() -> Result<(), Box<error::Error>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:125:56
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn resolve_filepath(path: &str) -> Result<PathBuf, Box<error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/befunge/interpreter.rs:83:49
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn execute(&mut self) -> Result<(), Box<StdError>> {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/befunge/interpreter.rs:139:74
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn run_unary_operation(&mut self, operation: char) -> Result<(), Box<StdError>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/befunge/interpreter.rs:182:75
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn run_binary_operation(&mut self, operation: char) -> Result<(), Box<StdError>> {
[INFO] [stderr]     |                                                                           ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/befunge/interpreter.rs:223:74
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn run_other_operation(&mut self, operation: char) -> Result<(), Box<StdError>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/befunge/interpreter.rs:279:56
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn convert_int_to_char(value: i64) -> Result<char, Box<StdError>> {
[INFO] [stderr]     |                                                        ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn cli() -> Result<(), Box<error::Error>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:125:56
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn resolve_filepath(path: &str) -> Result<PathBuf, Box<error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.50s
[INFO] running `"docker" "inspect" "849fc1cf450a536f2fdd1d893034290b3b5dc0103127a58d582200362b4c3e04"`
[INFO] running `"docker" "rm" "-f" "849fc1cf450a536f2fdd1d893034290b3b5dc0103127a58d582200362b4c3e04"`
[INFO] [stdout] 849fc1cf450a536f2fdd1d893034290b3b5dc0103127a58d582200362b4c3e04