Dec 18 11:33:44.499 INFO checking samotop-0.7.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:33:44.499 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/samotop/0.7.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:33:44.750 INFO [stdout] a20f72e731d606232b4adeeb2f54aa83fd4c295a9410d111377ad6f1b82d7a34
Dec 18 11:33:44.754 INFO running `"docker" "start" "-a" "a20f72e731d606232b4adeeb2f54aa83fd4c295a9410d111377ad6f1b82d7a34"`
Dec 18 11:33:46.044 INFO [stderr]     Checking peg v0.5.7
Dec 18 11:33:46.046 INFO [stderr]    Compiling samotop v0.7.4 (/opt/crater/workdir)
Dec 18 11:33:46.062 INFO [stderr]     Checking secstr v0.3.1
Dec 18 11:33:46.064 INFO [stderr]     Checking hostname v0.1.5
Dec 18 11:33:46.081 INFO [stderr]    Compiling structopt-derive v0.2.14
Dec 18 11:33:50.985 INFO [stderr]     Checking structopt v0.2.14
Dec 18 11:33:56.152 INFO [stderr] warning: field is never used: `pending`
Dec 18 11:33:56.152 INFO [stderr]   --> tests/explore/returnfn.rs:30:5
Dec 18 11:33:56.152 INFO [stderr]    |
Dec 18 11:33:56.152 INFO [stderr] 30 |     pending: Box<Future<Item = (), Error = ()> + Send>,
Dec 18 11:33:56.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:33:56.152 INFO [stderr]    |
Dec 18 11:33:56.152 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 11:33:56.152 INFO [stderr] 
Dec 18 11:33:57.172 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:33:57.172 INFO [stderr]  --> src/main.rs:4:1
Dec 18 11:33:57.172 INFO [stderr]   |
Dec 18 11:33:57.172 INFO [stderr] 4 | #[macro_use]
Dec 18 11:33:57.172 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:33:57.172 INFO [stderr]   |
Dec 18 11:33:57.172 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:33:57.172 INFO [stderr] 
Dec 18 11:33:57.409 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:33:57.409 INFO [stderr]  --> src/main.rs:4:1
Dec 18 11:33:57.409 INFO [stderr]   |
Dec 18 11:33:57.409 INFO [stderr] 4 | #[macro_use]
Dec 18 11:33:57.409 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:33:57.409 INFO [stderr]   |
Dec 18 11:33:57.409 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:33:57.409 INFO [stderr] 
Dec 18 11:33:57.538 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.77s
Dec 18 11:33:58.094 INFO running `"docker" "inspect" "a20f72e731d606232b4adeeb2f54aa83fd4c295a9410d111377ad6f1b82d7a34"`
Dec 18 11:33:58.303 INFO running `"docker" "rm" "-f" "a20f72e731d606232b4adeeb2f54aa83fd4c295a9410d111377ad6f1b82d7a34"`
Dec 18 11:33:58.584 INFO [stdout] a20f72e731d606232b4adeeb2f54aa83fd4c295a9410d111377ad6f1b82d7a34