Oct 13 00:10:53.372 INFO checking brianp/muxedsnapshot against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 00:10:53.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 00:10:53.893 INFO blam! 231140132c7d2efdba609e48231c280159ec86e9f52d94c80ad152373e6bc8c3
Oct 13 00:10:53.894 INFO running `"docker" "start" "-a" "231140132c7d2efdba609e48231c280159ec86e9f52d94c80ad152373e6bc8c3"`
Oct 13 00:10:55.679 INFO kablam! usermod: no changes
Oct 13 00:10:55.868 INFO kablam!    Compiling quote v0.3.5
Oct 13 00:10:55.868 INFO kablam!     Checking serde v0.8.18
Oct 13 00:10:55.868 INFO kablam!     Checking clap v2.16.3
Oct 13 00:10:57.840 INFO kablam!    Compiling syn v0.10.3
Oct 13 00:11:10.437 INFO kablam!    Compiling serde_codegen_internals v0.11.1
Oct 13 00:11:13.844 INFO kablam!     Checking serde_test v0.8.18
Oct 13 00:11:14.295 INFO kablam!    Compiling serde_codegen v0.8.19
Oct 13 00:11:16.421 INFO kablam!     Checking linked-hash-map v0.3.0
Oct 13 00:11:17.837 INFO kablam!     Checking yaml-rust v0.3.4
Oct 13 00:11:21.414 INFO kablam!    Compiling serde_derive v0.8.19
Oct 13 00:11:22.189 INFO kablam!     Checking serde_yaml v0.5.0
Oct 13 00:11:25.872 INFO kablam!     Checking muxedsnapshot v0.1.0 (/source)
Oct 13 00:11:28.028 INFO kablam! warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Oct 13 00:11:28.028 INFO kablam!   --> src/main.rs:22:23
Oct 13 00:11:28.028 INFO kablam!    |
Oct 13 00:11:28.028 INFO kablam! 22 | #[cfg(not(test))] use std::env::home_dir;
Oct 13 00:11:28.028 INFO kablam!    |                       ^^^^^^^^^^^^^^^^^^
Oct 13 00:11:28.028 INFO kablam!    |
Oct 13 00:11:28.028 INFO kablam!    = note: #[warn(deprecated)] on by default
Oct 13 00:11:28.028 INFO kablam! 
Oct 13 00:11:28.028 INFO kablam! warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Oct 13 00:11:28.028 INFO kablam!    --> src/main.rs:129:11
Oct 13 00:11:28.028 INFO kablam!     |
Oct 13 00:11:28.029 INFO kablam! 129 |     match home_dir() {
Oct 13 00:11:28.029 INFO kablam!     |           ^^^^^^^^
Oct 13 00:11:28.029 INFO kablam! 
Oct 13 00:11:28.610 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 00:11:28.611 INFO kablam!  --> src/main.rs:2:12
Oct 13 00:11:28.612 INFO kablam!   |
Oct 13 00:11:28.612 INFO kablam! 2 | #![feature(proc_macro)]
Oct 13 00:11:28.613 INFO kablam!   |            ^^^^^^^^^^
Oct 13 00:11:28.613 INFO kablam!   |
Oct 13 00:11:28.614 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 00:11:28.614 INFO kablam! 
Oct 13 00:11:29.099 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 00:11:29.099 INFO kablam!  --> src/main.rs:2:12
Oct 13 00:11:29.099 INFO kablam!   |
Oct 13 00:11:29.099 INFO kablam! 2 | #![feature(proc_macro)]
Oct 13 00:11:29.099 INFO kablam!   |            ^^^^^^^^^^
Oct 13 00:11:29.099 INFO kablam!   |
Oct 13 00:11:29.099 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 00:11:29.099 INFO kablam! 
Oct 13 00:11:29.205 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 33.50s
Oct 13 00:11:29.212 INFO kablam! su: No module specific data is present
Oct 13 00:11:30.536 INFO running `"docker" "rm" "-f" "231140132c7d2efdba609e48231c280159ec86e9f52d94c80ad152373e6bc8c3"`
Oct 13 00:11:30.780 INFO blam! 231140132c7d2efdba609e48231c280159ec86e9f52d94c80ad152373e6bc8c3