Dec 06 02:16:44.674 INFO testing davidbarsky/trace-prototype against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 02:16:44.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 02:16:44.852 INFO [stdout] 13065c017d3e0d3dbac5e2e72fd6158fad685aa3f1374ea8d1a20d4dce13d201
Dec 06 02:16:44.854 INFO running `"docker" "start" "-a" "13065c017d3e0d3dbac5e2e72fd6158fad685aa3f1374ea8d1a20d4dce13d201"`
Dec 06 02:16:45.373 INFO [stderr] usermod: no changes
Dec 06 02:16:45.399 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 06 02:16:45.489 INFO [stderr]    Compiling crossbeam-deque v0.5.2
Dec 06 02:16:45.490 INFO [stderr]    Compiling failure v0.1.2
Dec 06 02:16:46.236 INFO [stderr]    Compiling crossbeam v0.4.1
Dec 06 02:16:47.408 INFO [stderr]    Compiling trace-prototype v0.1.0 (/source)
Dec 06 02:16:48.726 INFO [stderr] warning: unused import: `channel`
Dec 06 02:16:48.726 INFO [stderr]   --> src/main.rs:15:17
Dec 06 02:16:48.726 INFO [stderr]    |
Dec 06 02:16:48.726 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Dec 06 02:16:48.726 INFO [stderr]    |                 ^^^^^^^
Dec 06 02:16:48.726 INFO [stderr]    |
Dec 06 02:16:48.726 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 02:16:48.726 INFO [stderr] 
Dec 06 02:16:48.811 INFO [stderr] warning: type alias is never used: `Channels`
Dec 06 02:16:48.811 INFO [stderr]   --> src/main.rs:36:1
Dec 06 02:16:48.811 INFO [stderr]    |
Dec 06 02:16:48.811 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Dec 06 02:16:48.811 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 02:16:48.811 INFO [stderr]    |
Dec 06 02:16:48.811 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 02:16:48.811 INFO [stderr] 
Dec 06 02:16:48.811 INFO [stderr] warning: struct is never constructed: `Super`
Dec 06 02:16:48.811 INFO [stderr]   --> src/main.rs:37:1
Dec 06 02:16:48.811 INFO [stderr]    |
Dec 06 02:16:48.811 INFO [stderr] 37 | struct Super {
Dec 06 02:16:48.811 INFO [stderr]    | ^^^^^^^^^^^^
Dec 06 02:16:48.811 INFO [stderr] 
Dec 06 02:16:48.811 INFO [stderr] warning: method is never used: `new`
Dec 06 02:16:48.811 INFO [stderr]   --> src/main.rs:43:5
Dec 06 02:16:48.811 INFO [stderr]    |
Dec 06 02:16:48.811 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Dec 06 02:16:48.811 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 02:16:48.811 INFO [stderr] 
Dec 06 02:16:49.212 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
Dec 06 02:16:49.217 INFO [stderr] su: No module specific data is present
Dec 06 02:16:49.481 INFO running `"docker" "inspect" "13065c017d3e0d3dbac5e2e72fd6158fad685aa3f1374ea8d1a20d4dce13d201"`
Dec 06 02:16:49.593 INFO running `"docker" "rm" "-f" "13065c017d3e0d3dbac5e2e72fd6158fad685aa3f1374ea8d1a20d4dce13d201"`
Dec 06 02:16:49.688 INFO [stdout] 13065c017d3e0d3dbac5e2e72fd6158fad685aa3f1374ea8d1a20d4dce13d201
Dec 06 02:16:49.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 02:16:49.880 INFO [stdout] e298a10a66c18deefbe9d18d091f99dbfa90a6483a39eb41739905e9b42183ea
Dec 06 02:16:49.886 INFO running `"docker" "start" "-a" "e298a10a66c18deefbe9d18d091f99dbfa90a6483a39eb41739905e9b42183ea"`
Dec 06 02:16:50.540 INFO [stderr] usermod: no changes
Dec 06 02:16:50.575 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 06 02:16:50.632 INFO [stderr]    Compiling trace-prototype v0.1.0 (/source)
Dec 06 02:16:51.980 INFO [stderr] warning: unused import: `channel`
Dec 06 02:16:51.980 INFO [stderr]   --> src/main.rs:15:17
Dec 06 02:16:51.980 INFO [stderr]    |
Dec 06 02:16:51.980 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Dec 06 02:16:51.980 INFO [stderr]    |                 ^^^^^^^
Dec 06 02:16:51.980 INFO [stderr]    |
Dec 06 02:16:51.980 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 02:16:51.980 INFO [stderr] 
Dec 06 02:16:52.060 INFO [stderr] warning: type alias is never used: `Channels`
Dec 06 02:16:52.060 INFO [stderr]   --> src/main.rs:36:1
Dec 06 02:16:52.060 INFO [stderr]    |
Dec 06 02:16:52.060 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Dec 06 02:16:52.060 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 02:16:52.060 INFO [stderr]    |
Dec 06 02:16:52.060 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 02:16:52.060 INFO [stderr] 
Dec 06 02:16:52.060 INFO [stderr] warning: struct is never constructed: `Super`
Dec 06 02:16:52.060 INFO [stderr]   --> src/main.rs:37:1
Dec 06 02:16:52.060 INFO [stderr]    |
Dec 06 02:16:52.060 INFO [stderr] 37 | struct Super {
Dec 06 02:16:52.060 INFO [stderr]    | ^^^^^^^^^^^^
Dec 06 02:16:52.060 INFO [stderr] 
Dec 06 02:16:52.060 INFO [stderr] warning: method is never used: `new`
Dec 06 02:16:52.060 INFO [stderr]   --> src/main.rs:43:5
Dec 06 02:16:52.060 INFO [stderr]    |
Dec 06 02:16:52.060 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Dec 06 02:16:52.060 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 02:16:52.060 INFO [stderr] 
Dec 06 02:16:52.678 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Dec 06 02:16:52.687 INFO [stderr] su: No module specific data is present
Dec 06 02:16:53.077 INFO running `"docker" "inspect" "e298a10a66c18deefbe9d18d091f99dbfa90a6483a39eb41739905e9b42183ea"`
Dec 06 02:16:53.208 INFO running `"docker" "rm" "-f" "e298a10a66c18deefbe9d18d091f99dbfa90a6483a39eb41739905e9b42183ea"`
Dec 06 02:16:53.404 INFO [stdout] e298a10a66c18deefbe9d18d091f99dbfa90a6483a39eb41739905e9b42183ea
Dec 06 02:16:53.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 02:16:53.776 INFO [stdout] 12b088fd78d231cb7816046d942fd3b2205614d8f0a6ed89d2f2948628494f29
Dec 06 02:16:53.782 INFO running `"docker" "start" "-a" "12b088fd78d231cb7816046d942fd3b2205614d8f0a6ed89d2f2948628494f29"`
Dec 06 02:16:54.669 INFO [stderr] usermod: no changes
Dec 06 02:16:54.716 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 06 02:16:54.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 06 02:16:54.791 INFO [stderr]      Running /target/debug/deps/trace_prototype-a56a4fcc10537f73
Dec 06 02:16:54.800 INFO [stderr] su: No module specific data is present
Dec 06 02:16:54.800 INFO [stdout] 
Dec 06 02:16:54.800 INFO [stdout] running 0 tests
Dec 06 02:16:54.800 INFO [stdout] 
Dec 06 02:16:54.800 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 02:16:54.800 INFO [stdout] 
Dec 06 02:16:55.455 INFO running `"docker" "inspect" "12b088fd78d231cb7816046d942fd3b2205614d8f0a6ed89d2f2948628494f29"`
Dec 06 02:16:55.654 INFO running `"docker" "rm" "-f" "12b088fd78d231cb7816046d942fd3b2205614d8f0a6ed89d2f2948628494f29"`
Dec 06 02:16:55.883 INFO [stdout] 12b088fd78d231cb7816046d942fd3b2205614d8f0a6ed89d2f2948628494f29