[INFO] cloning repository https://github.com/shelbyd/tassist
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelbyd/tassist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Ftassist"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Ftassist'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3ed9fe451258287b0cbb79fe498db63c618add2
[INFO] checking shelbyd/tassist against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Ftassist" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shelbyd/tassist on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shelbyd/tassist
[INFO] finished tweaking git repo https://github.com/shelbyd/tassist
[INFO] tweaked toml for git repo https://github.com/shelbyd/tassist written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/shelbyd/tassist already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 840c26cc23708fc36fb6fb3c8f50c6bbaa9b029a5b1b7f8171cdcea0d314fd14
[INFO] running `"docker" "start" "-a" "840c26cc23708fc36fb6fb3c8f50c6bbaa9b029a5b1b7f8171cdcea0d314fd14"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking tassist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/play_strategy.rs:10:52
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn from_option(option: PlayStrategyOpt) -> Box<PlayStrategy> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn PlayStrategy`
[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/play_strategy.rs:10:52
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn from_option(option: PlayStrategyOpt) -> Box<PlayStrategy> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn PlayStrategy`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.50s
[INFO] running `"docker" "inspect" "840c26cc23708fc36fb6fb3c8f50c6bbaa9b029a5b1b7f8171cdcea0d314fd14"`
[INFO] running `"docker" "rm" "-f" "840c26cc23708fc36fb6fb3c8f50c6bbaa9b029a5b1b7f8171cdcea0d314fd14"`
[INFO] [stdout] 840c26cc23708fc36fb6fb3c8f50c6bbaa9b029a5b1b7f8171cdcea0d314fd14