[INFO] fetching crate fountain_codes 0.2.1...
[INFO] extracting crate fountain_codes 0.2.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fountain_codes/0.2.1
[INFO] extracting crate fountain_codes 0.2.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fountain_codes/0.2.1
[INFO] validating manifest of fountain_codes-0.2.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fountain_codes-0.2.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fountain_codes-0.2.1
[INFO] finished frobbing fountain_codes-0.2.1
[INFO] frobbed toml for fountain_codes-0.2.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fountain_codes/0.2.1/Cargo.toml
[INFO] started frobbing fountain_codes-0.2.1
[INFO] finished frobbing fountain_codes-0.2.1
[INFO] frobbed toml for fountain_codes-0.2.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fountain_codes/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fountain_codes-0.2.1 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fountain_codes/0.2.1:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 59e36edda7b2ae52cf3db756abd93e2787fea9fc620e62adfd24883c2508b83a
[INFO] running `"docker" "start" "-a" "59e36edda7b2ae52cf3db756abd93e2787fea9fc620e62adfd24883c2508b83a"`
[INFO] [stderr]    Compiling fountain_codes v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lt.rs:35:36
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lt.rs:116:36
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/distributions.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(density_function: &ProbabilityDensityFunction, limit: u32) -> io::Result<Distribution> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityDensityFunction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:39
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<P: Packet> PartialEncoder<P> for Encoder<P> {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Encoder<P>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "59e36edda7b2ae52cf3db756abd93e2787fea9fc620e62adfd24883c2508b83a"`
[INFO] running `"docker" "rm" "-f" "59e36edda7b2ae52cf3db756abd93e2787fea9fc620e62adfd24883c2508b83a"`
[INFO] [stdout] 59e36edda7b2ae52cf3db756abd93e2787fea9fc620e62adfd24883c2508b83a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fountain_codes/0.2.1:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4182efc4b7dfcd4d35d722855255f5d94ae4b7778e8f28fe98497c73931ec2f2
[INFO] running `"docker" "start" "-a" "4182efc4b7dfcd4d35d722855255f5d94ae4b7778e8f28fe98497c73931ec2f2"`
[INFO] [stderr]    Compiling fountain_codes v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lt.rs:35:36
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lt.rs:116:36
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/distributions.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(density_function: &ProbabilityDensityFunction, limit: u32) -> io::Result<Distribution> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityDensityFunction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:39
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<P: Packet> PartialEncoder<P> for Encoder<P> {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Encoder<P>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `"docker" "inspect" "4182efc4b7dfcd4d35d722855255f5d94ae4b7778e8f28fe98497c73931ec2f2"`
[INFO] running `"docker" "rm" "-f" "4182efc4b7dfcd4d35d722855255f5d94ae4b7778e8f28fe98497c73931ec2f2"`
[INFO] [stdout] 4182efc4b7dfcd4d35d722855255f5d94ae4b7778e8f28fe98497c73931ec2f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fountain_codes/0.2.1:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 8da80b92047e9e070ff2670737e1dcea4f324da3f72d6e046a358ec67ab19840
[INFO] running `"docker" "start" "-a" "8da80b92047e9e070ff2670737e1dcea4f324da3f72d6e046a358ec67ab19840"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fountain_codes-27e9c94a5311c343
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lt::tests::packet_round_trips ... ok
[INFO] [stdout] test lt::tests::block_equals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lt_coding_test-08e0528496cc38c6
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_lt_coding_small ... ok
[INFO] [stdout] test test_lt_coding_medium ... test test_lt_coding_medium has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "8da80b92047e9e070ff2670737e1dcea4f324da3f72d6e046a358ec67ab19840"`
[INFO] running `"docker" "rm" "-f" "8da80b92047e9e070ff2670737e1dcea4f324da3f72d6e046a358ec67ab19840"`
[INFO] [stdout] 8da80b92047e9e070ff2670737e1dcea4f324da3f72d6e046a358ec67ab19840