Dec 04 18:49:40.455 INFO checking felix-d/troll against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 18:49:40.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 18:49:40.899 INFO [stdout] d109f0d1ffaecfb563d4f9d290a7529255d1ab016bf6145a68ff906a8dd103d8
Dec 04 18:49:40.901 INFO running `"docker" "start" "-a" "d109f0d1ffaecfb563d4f9d290a7529255d1ab016bf6145a68ff906a8dd103d8"`
Dec 04 18:49:41.935 INFO [stderr] usermod: no changes
Dec 04 18:49:42.214 INFO [stderr]    Compiling rustc-serialize v0.3.21
Dec 04 18:49:42.219 INFO [stderr]    Compiling libc v0.2.17
Dec 04 18:49:42.238 INFO [stderr]     Checking serde v0.8.19
Dec 04 18:49:42.239 INFO [stderr]     Checking httparse v1.2.0
Dec 04 18:49:42.239 INFO [stderr]     Checking quick-error v1.1.0
Dec 04 18:49:42.239 INFO [stderr]    Compiling num-integer v0.1.32
Dec 04 18:49:42.239 INFO [stderr]    Compiling syn v0.10.3
Dec 04 18:49:42.240 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Dec 04 18:49:43.747 INFO [stderr]    Compiling libz-sys v1.0.7
Dec 04 18:49:44.975 INFO [stderr]    Compiling openssl v0.7.14
Dec 04 18:49:44.987 INFO [stderr]    Compiling curl-sys v0.2.5
Dec 04 18:49:45.930 INFO [stderr]     Checking unicode-bidi v0.2.3
Dec 04 18:49:46.993 INFO [stderr]     Checking num_cpus v1.2.0
Dec 04 18:49:48.172 INFO [stderr]     Checking hpack v0.2.0
Dec 04 18:49:48.359 INFO [stderr]    Compiling num-iter v0.1.32
Dec 04 18:49:49.423 INFO [stderr]     Checking openssl-sys v0.7.17
Dec 04 18:49:50.387 INFO [stderr]    Compiling term v0.4.4
Dec 04 18:49:50.699 INFO [stderr]    Compiling time v0.1.35
Dec 04 18:49:50.703 INFO [stderr]    Compiling num v0.1.36
Dec 04 18:49:51.991 INFO [stderr]     Checking solicit v0.4.4
Dec 04 18:49:52.347 INFO [stderr]     Checking idna v0.1.0
Dec 04 18:49:54.711 INFO [stderr]     Checking chrono v0.2.25
Dec 04 18:50:01.928 INFO [stderr]     Checking curl v0.3.11
Dec 04 18:50:06.731 INFO [stderr]     Checking openssl-verify v0.1.0
Dec 04 18:50:09.740 INFO [stderr]    Compiling serde_codegen_internals v0.11.1
Dec 04 18:50:11.111 INFO [stderr]     Checking url v1.2.3
Dec 04 18:50:11.111 INFO [stderr]     Checking serde_json v0.8.3
Dec 04 18:50:14.467 INFO [stderr]    Compiling syntex_pos v0.50.0
Dec 04 18:50:17.369 INFO [stderr]    Compiling syntex_errors v0.50.0
Dec 04 18:50:18.048 INFO [stderr]     Checking cookie v0.2.5
Dec 04 18:50:19.512 INFO [stderr]     Checking hyper v0.9.13
Dec 04 18:50:23.075 INFO [stderr]    Compiling syntex_syntax v0.50.0
Dec 04 18:50:56.753 INFO [stderr]    Compiling syntex v0.50.0
Dec 04 18:50:58.307 INFO [stderr]    Compiling serde_codegen v0.8.19
Dec 04 18:51:02.318 INFO [stderr]    Compiling slack-hook v0.2.0
Dec 04 18:51:07.175 INFO [stderr]     Checking troll v0.1.0 (/source)
Dec 04 18:51:08.527 INFO [stderr] warning: unused import: `std::fmt`
Dec 04 18:51:08.527 INFO [stderr]  --> src/errors.rs:4:5
Dec 04 18:51:08.527 INFO [stderr]   |
Dec 04 18:51:08.527 INFO [stderr] 4 | use std::fmt;
Dec 04 18:51:08.527 INFO [stderr]   |     ^^^^^^^^
Dec 04 18:51:08.527 INFO [stderr]   |
Dec 04 18:51:08.527 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:51:08.527 INFO [stderr] 
Dec 04 18:51:08.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:08.691 INFO [stderr]   --> src/slack.rs:94:17
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr] 94 |                 cache.set("users", &users);
Dec 04 18:51:08.691 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 18:51:08.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:08.691 INFO [stderr] 
Dec 04 18:51:08.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:08.691 INFO [stderr]    --> src/slack.rs:107:17
Dec 04 18:51:08.691 INFO [stderr]     |
Dec 04 18:51:08.691 INFO [stderr] 107 |                 self.cache.borrow_mut().set("users", &users);
Dec 04 18:51:08.691 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:08.691 INFO [stderr]     |
Dec 04 18:51:08.691 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:08.691 INFO [stderr] 
Dec 04 18:51:08.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:08.691 INFO [stderr]   --> src/cache.rs:23:17
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr] 23 |                 handle.set_len(0);
Dec 04 18:51:08.691 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:08.691 INFO [stderr] 
Dec 04 18:51:08.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:08.691 INFO [stderr]   --> src/cache.rs:24:17
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr] 24 |                 handle.seek(SeekFrom::Start(0));
Dec 04 18:51:08.691 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:08.691 INFO [stderr] 
Dec 04 18:51:08.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:08.691 INFO [stderr]   --> src/cache.rs:56:9
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr] 56 |         self.handle.set_len(0);
Dec 04 18:51:08.691 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:08.691 INFO [stderr] 
Dec 04 18:51:08.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:08.691 INFO [stderr]   --> src/cache.rs:57:9
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr] 57 |         self.handle.seek(SeekFrom::Start(0));
Dec 04 18:51:08.691 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:08.691 INFO [stderr] 
Dec 04 18:51:08.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:08.691 INFO [stderr]   --> src/main.rs:41:5
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr] 41 |     slack_client.post_message(&user, &channel, &conf.message);
Dec 04 18:51:08.691 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:08.691 INFO [stderr]    |
Dec 04 18:51:08.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:08.691 INFO [stderr] 
Dec 04 18:51:08.871 INFO [stderr] warning: unused import: `std::fmt`
Dec 04 18:51:08.871 INFO [stderr]  --> src/errors.rs:4:5
Dec 04 18:51:08.871 INFO [stderr]   |
Dec 04 18:51:08.871 INFO [stderr] 4 | use std::fmt;
Dec 04 18:51:08.871 INFO [stderr]   |     ^^^^^^^^
Dec 04 18:51:08.871 INFO [stderr]   |
Dec 04 18:51:08.871 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:51:08.871 INFO [stderr] 
Dec 04 18:51:09.042 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:09.042 INFO [stderr]   --> src/slack.rs:94:17
Dec 04 18:51:09.042 INFO [stderr]    |
Dec 04 18:51:09.042 INFO [stderr] 94 |                 cache.set("users", &users);
Dec 04 18:51:09.042 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:09.042 INFO [stderr]    |
Dec 04 18:51:09.042 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 18:51:09.043 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:09.043 INFO [stderr] 
Dec 04 18:51:09.043 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:09.043 INFO [stderr]    --> src/slack.rs:107:17
Dec 04 18:51:09.043 INFO [stderr]     |
Dec 04 18:51:09.043 INFO [stderr] 107 |                 self.cache.borrow_mut().set("users", &users);
Dec 04 18:51:09.043 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:09.043 INFO [stderr]     |
Dec 04 18:51:09.043 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:09.043 INFO [stderr] 
Dec 04 18:51:09.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:09.047 INFO [stderr]   --> src/cache.rs:23:17
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr] 23 |                 handle.set_len(0);
Dec 04 18:51:09.047 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:09.047 INFO [stderr] 
Dec 04 18:51:09.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:09.047 INFO [stderr]   --> src/cache.rs:24:17
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr] 24 |                 handle.seek(SeekFrom::Start(0));
Dec 04 18:51:09.047 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:09.047 INFO [stderr] 
Dec 04 18:51:09.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:09.047 INFO [stderr]   --> src/cache.rs:56:9
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr] 56 |         self.handle.set_len(0);
Dec 04 18:51:09.047 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:09.047 INFO [stderr] 
Dec 04 18:51:09.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:09.047 INFO [stderr]   --> src/cache.rs:57:9
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr] 57 |         self.handle.seek(SeekFrom::Start(0));
Dec 04 18:51:09.047 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:09.047 INFO [stderr] 
Dec 04 18:51:09.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:51:09.047 INFO [stderr]   --> src/main.rs:41:5
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr] 41 |     slack_client.post_message(&user, &channel, &conf.message);
Dec 04 18:51:09.047 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:51:09.047 INFO [stderr]    |
Dec 04 18:51:09.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:51:09.047 INFO [stderr] 
Dec 04 18:51:09.075 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
Dec 04 18:51:09.103 INFO [stderr] su: No module specific data is present
Dec 04 18:51:09.957 INFO running `"docker" "inspect" "d109f0d1ffaecfb563d4f9d290a7529255d1ab016bf6145a68ff906a8dd103d8"`
Dec 04 18:51:10.209 INFO running `"docker" "rm" "-f" "d109f0d1ffaecfb563d4f9d290a7529255d1ab016bf6145a68ff906a8dd103d8"`
Dec 04 18:51:10.499 INFO [stdout] d109f0d1ffaecfb563d4f9d290a7529255d1ab016bf6145a68ff906a8dd103d8