Dec 12 09:25:12.962 INFO checking rash-shell-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 09:25:12.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 09:25:13.576 INFO [stdout] 9e51f9a2764719bef61d808b15f027223ad6e0192ad98ddc3ad918da8fa4fe18
Dec 12 09:25:13.578 INFO running `"docker" "start" "-a" "9e51f9a2764719bef61d808b15f027223ad6e0192ad98ddc3ad918da8fa4fe18"`
Dec 12 09:25:15.149 INFO [stderr] usermod: no changes
Dec 12 09:25:15.432 INFO [stderr]    Compiling ena v0.10.1
Dec 12 09:25:15.432 INFO [stderr]    Compiling new_debug_unreachable v1.0.1
Dec 12 09:25:15.432 INFO [stderr]     Checking rustyline v2.1.0
Dec 12 09:25:15.432 INFO [stderr]    Compiling block-buffer v0.7.1
Dec 12 09:25:15.436 INFO [stderr]    Compiling string_cache v0.7.3
Dec 12 09:25:15.436 INFO [stderr]    Compiling docopt v1.0.2
Dec 12 09:25:15.436 INFO [stderr]     Checking pretty_env_logger v0.2.5
Dec 12 09:25:16.815 INFO [stderr]    Compiling sha2 v0.8.0
Dec 12 09:25:26.404 INFO [stderr]    Compiling lalrpop v0.16.2
Dec 12 09:26:22.512 INFO [stderr]    Compiling rash-shell v0.1.0 (/source)
Dec 12 09:26:32.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:26:32.952 INFO [stderr]   --> src/context.rs:42:13
Dec 12 09:26:32.952 INFO [stderr]    |
Dec 12 09:26:32.952 INFO [stderr] 42 |             writeln!(stdout, "{}", fmt);
Dec 12 09:26:32.952 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:26:32.952 INFO [stderr]    |
Dec 12 09:26:32.952 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 09:26:32.952 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:26:32.952 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 09:26:32.952 INFO [stderr] 
Dec 12 09:26:32.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:26:32.952 INFO [stderr]   --> src/context.rs:50:13
Dec 12 09:26:32.952 INFO [stderr]    |
Dec 12 09:26:32.952 INFO [stderr] 50 |             writeln!(stderr, "{}", fmt);
Dec 12 09:26:32.952 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:26:32.952 INFO [stderr]    |
Dec 12 09:26:32.952 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:26:32.952 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 09:26:32.953 INFO [stderr] 
Dec 12 09:26:33.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:26:33.072 INFO [stderr]   --> src/context.rs:42:13
Dec 12 09:26:33.072 INFO [stderr]    |
Dec 12 09:26:33.072 INFO [stderr] 42 |             writeln!(stdout, "{}", fmt);
Dec 12 09:26:33.072 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:26:33.072 INFO [stderr]    |
Dec 12 09:26:33.072 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 09:26:33.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:26:33.072 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 09:26:33.072 INFO [stderr] 
Dec 12 09:26:33.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:26:33.072 INFO [stderr]   --> src/context.rs:50:13
Dec 12 09:26:33.072 INFO [stderr]    |
Dec 12 09:26:33.072 INFO [stderr] 50 |             writeln!(stderr, "{}", fmt);
Dec 12 09:26:33.072 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:26:33.072 INFO [stderr]    |
Dec 12 09:26:33.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:26:33.072 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 09:26:33.072 INFO [stderr] 
Dec 12 09:26:33.114 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
Dec 12 09:26:33.125 INFO [stderr] su: No module specific data is present
Dec 12 09:26:33.500 INFO running `"docker" "inspect" "9e51f9a2764719bef61d808b15f027223ad6e0192ad98ddc3ad918da8fa4fe18"`
Dec 12 09:26:33.591 INFO running `"docker" "rm" "-f" "9e51f9a2764719bef61d808b15f027223ad6e0192ad98ddc3ad918da8fa4fe18"`
Dec 12 09:26:33.766 INFO [stdout] 9e51f9a2764719bef61d808b15f027223ad6e0192ad98ddc3ad918da8fa4fe18