[INFO] updating cached repository https://github.com/shelbyd/tassist
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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] f3ed9fe451258287b0cbb79fe498db63c618add2
[INFO] checking shelbyd/tassist against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Ftassist" "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/shelbyd/tassist on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "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 work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/shelbyd/tassist already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b6cf2adf4fca90f77e109da2b821d859ff2a4ce5d13a32fc6d297f20c21eba7d
[INFO] running `"docker" "start" "-a" "b6cf2adf4fca90f77e109da2b821d859ff2a4ce5d13a32fc6d297f20c21eba7d"`
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking backtrace v0.3.9
[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 20.00s
[INFO] running `"docker" "inspect" "b6cf2adf4fca90f77e109da2b821d859ff2a4ce5d13a32fc6d297f20c21eba7d"`
[INFO] running `"docker" "rm" "-f" "b6cf2adf4fca90f77e109da2b821d859ff2a4ce5d13a32fc6d297f20c21eba7d"`
[INFO] [stdout] b6cf2adf4fca90f77e109da2b821d859ff2a4ce5d13a32fc6d297f20c21eba7d