Nov 16 20:33:34.560 INFO testing maniflames/time-frame-json-generator against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 20:33:34.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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"`
Nov 16 20:33:35.156 INFO [stdout] 141de8685860f5877f0e8a17f78882fb929f712e0c3866e686cf3d64bf6ca707
Nov 16 20:33:35.161 INFO running `"docker" "start" "-a" "141de8685860f5877f0e8a17f78882fb929f712e0c3866e686cf3d64bf6ca707"`
Nov 16 20:33:36.295 INFO [stderr] usermod: no changes
Nov 16 20:33:36.354 INFO [stderr]    Compiling timeframe v0.0.1 (/source)
Nov 16 20:33:36.747 INFO [stderr] warning: unused import: `self`
Nov 16 20:33:36.747 INFO [stderr]  --> src/main.rs:7:29
Nov 16 20:33:36.747 INFO [stderr]   |
Nov 16 20:33:36.747 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Nov 16 20:33:36.747 INFO [stderr]   |                             ^^^^
Nov 16 20:33:36.747 INFO [stderr]   |
Nov 16 20:33:36.747 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 20:33:36.747 INFO [stderr] 
Nov 16 20:33:37.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 20:33:37.022 INFO [stderr]   --> src/utils.rs:55:5
Nov 16 20:33:37.022 INFO [stderr]    |
Nov 16 20:33:37.022 INFO [stderr] 55 |     f.read_to_string(&mut json);
Nov 16 20:33:37.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:33:37.022 INFO [stderr]    |
Nov 16 20:33:37.022 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 20:33:37.022 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 20:33:37.022 INFO [stderr] 
Nov 16 20:33:38.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Nov 16 20:33:38.314 INFO [stderr] su: No module specific data is present
Nov 16 20:33:38.895 INFO running `"docker" "inspect" "141de8685860f5877f0e8a17f78882fb929f712e0c3866e686cf3d64bf6ca707"`
Nov 16 20:33:39.377 INFO running `"docker" "rm" "-f" "141de8685860f5877f0e8a17f78882fb929f712e0c3866e686cf3d64bf6ca707"`
Nov 16 20:33:39.849 INFO [stdout] 141de8685860f5877f0e8a17f78882fb929f712e0c3866e686cf3d64bf6ca707
Nov 16 20:33:39.863 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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"`
Nov 16 20:33:40.253 INFO [stdout] 2564d948682582eac49e8c40ead310a595a7671fb9944cf66c50e6cb827784e8
Nov 16 20:33:40.259 INFO running `"docker" "start" "-a" "2564d948682582eac49e8c40ead310a595a7671fb9944cf66c50e6cb827784e8"`
Nov 16 20:33:41.334 INFO [stderr] usermod: no changes
Nov 16 20:33:41.447 INFO [stderr]    Compiling timeframe v0.0.1 (/source)
Nov 16 20:33:41.755 INFO [stderr] warning: unused import: `self`
Nov 16 20:33:41.755 INFO [stderr]  --> src/main.rs:7:29
Nov 16 20:33:41.755 INFO [stderr]   |
Nov 16 20:33:41.755 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Nov 16 20:33:41.755 INFO [stderr]   |                             ^^^^
Nov 16 20:33:41.755 INFO [stderr]   |
Nov 16 20:33:41.755 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 20:33:41.755 INFO [stderr] 
Nov 16 20:33:42.011 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 20:33:42.011 INFO [stderr]   --> src/utils.rs:55:5
Nov 16 20:33:42.011 INFO [stderr]    |
Nov 16 20:33:42.011 INFO [stderr] 55 |     f.read_to_string(&mut json);
Nov 16 20:33:42.011 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:33:42.011 INFO [stderr]    |
Nov 16 20:33:42.011 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 20:33:42.011 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 20:33:42.011 INFO [stderr] 
Nov 16 20:33:42.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Nov 16 20:33:42.480 INFO [stderr] su: No module specific data is present
Nov 16 20:33:43.346 INFO running `"docker" "inspect" "2564d948682582eac49e8c40ead310a595a7671fb9944cf66c50e6cb827784e8"`
Nov 16 20:33:43.631 INFO running `"docker" "rm" "-f" "2564d948682582eac49e8c40ead310a595a7671fb9944cf66c50e6cb827784e8"`
Nov 16 20:33:44.019 INFO [stdout] 2564d948682582eac49e8c40ead310a595a7671fb9944cf66c50e6cb827784e8
Nov 16 20:33:44.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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"`
Nov 16 20:33:44.535 INFO [stdout] 8fdff685bd57aa7f90a8131e74f99b9b7e0b18edc7327bec609d04c6aeca68c8
Nov 16 20:33:44.542 INFO running `"docker" "start" "-a" "8fdff685bd57aa7f90a8131e74f99b9b7e0b18edc7327bec609d04c6aeca68c8"`
Nov 16 20:33:45.795 INFO [stderr] usermod: no changes
Nov 16 20:33:45.861 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 16 20:33:45.864 INFO [stderr]      Running /target/debug/deps/timeframe-5f3cc674a7fb13ce
Nov 16 20:33:45.867 INFO [stdout] 
Nov 16 20:33:45.867 INFO [stdout] running 0 tests
Nov 16 20:33:45.867 INFO [stdout] 
Nov 16 20:33:45.867 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 20:33:45.867 INFO [stdout] 
Nov 16 20:33:45.879 INFO [stderr] su: No module specific data is present
Nov 16 20:33:46.949 INFO running `"docker" "inspect" "8fdff685bd57aa7f90a8131e74f99b9b7e0b18edc7327bec609d04c6aeca68c8"`
Nov 16 20:33:47.230 INFO running `"docker" "rm" "-f" "8fdff685bd57aa7f90a8131e74f99b9b7e0b18edc7327bec609d04c6aeca68c8"`
Nov 16 20:33:47.602 INFO [stdout] 8fdff685bd57aa7f90a8131e74f99b9b7e0b18edc7327bec609d04c6aeca68c8