[INFO] updating cached repository https://github.com/utgwkk/rust-shell [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] 563a29d810588a7570f376458e1dba60acf13ca8 [INFO] checking utgwkk/rust-shell against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Futgwkk%2Frust-shell" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/utgwkk/rust-shell 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/utgwkk/rust-shell [INFO] finished tweaking git repo https://github.com/utgwkk/rust-shell [INFO] tweaked toml for git repo https://github.com/utgwkk/rust-shell written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/utgwkk/rust-shell 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/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] 6e7d732e158d26f331c36d18e54db049cb82f882013d14950da0f2eb797e9f4c [INFO] running `"docker" "start" "-a" "6e7d732e158d26f331c36d18e54db049cb82f882013d14950da0f2eb797e9f4c"` [INFO] [stderr] Checking rust-shell v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:8:26 [INFO] [stderr] | [INFO] [stderr] 8 | fn builtin_cd(args: &mut Iterator) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | fn builtin_ls(args: &mut Iterator) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:42:45 [INFO] [stderr] | [INFO] [stderr] 42 | fn do_command(command: &str, mut args: &mut Iterator) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:49:36 [INFO] [stderr] | [INFO] [stderr] 49 | ("cd", &builtin_cd as &Fn(&mut Iterator) -> i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Iterator) -> i32` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:49:44 [INFO] [stderr] | [INFO] [stderr] 49 | ("cd", &builtin_cd as &Fn(&mut Iterator) -> i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:8:26 [INFO] [stderr] | [INFO] [stderr] 8 | fn builtin_cd(args: &mut Iterator) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | fn builtin_ls(args: &mut Iterator) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:42:45 [INFO] [stderr] | [INFO] [stderr] 42 | fn do_command(command: &str, mut args: &mut Iterator) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:49:36 [INFO] [stderr] | [INFO] [stderr] 49 | ("cd", &builtin_cd as &Fn(&mut Iterator) -> i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Iterator) -> i32` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:49:44 [INFO] [stderr] | [INFO] [stderr] 49 | ("cd", &builtin_cd as &Fn(&mut Iterator) -> i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `"docker" "inspect" "6e7d732e158d26f331c36d18e54db049cb82f882013d14950da0f2eb797e9f4c"` [INFO] running `"docker" "rm" "-f" "6e7d732e158d26f331c36d18e54db049cb82f882013d14950da0f2eb797e9f4c"` [INFO] [stdout] 6e7d732e158d26f331c36d18e54db049cb82f882013d14950da0f2eb797e9f4c