[INFO] crate fountain_codes 0.2.1 is already in cache
[INFO] testing fountain_codes-0.2.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate fountain_codes 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fountain_codes 0.2.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fountain_codes 0.2.1
[INFO] finished tweaking crates.io crate fountain_codes 0.2.1
[INFO] tweaked toml for crates.io crate fountain_codes 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f26c80c583ff691db6389ee05c4b10d549bf93c24243926f564bea0c24bf5b4c
[INFO] running `"docker" "start" "-a" "f26c80c583ff691db6389ee05c4b10d549bf93c24243926f564bea0c24bf5b4c"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling fountain_codes v0.2.1 (/opt/rustwide/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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `"docker" "inspect" "f26c80c583ff691db6389ee05c4b10d549bf93c24243926f564bea0c24bf5b4c"`
[INFO] running `"docker" "rm" "-f" "f26c80c583ff691db6389ee05c4b10d549bf93c24243926f564bea0c24bf5b4c"`
[INFO] [stdout] f26c80c583ff691db6389ee05c4b10d549bf93c24243926f564bea0c24bf5b4c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0ef318b58028b139e6a9bea586c6733ba46499926fd1e04b2fc47050c056bec9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0ef318b58028b139e6a9bea586c6733ba46499926fd1e04b2fc47050c056bec9"`
[INFO] [stderr]    Compiling fountain_codes v0.2.1 (/opt/rustwide/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] warning: 4 warnings emitted
[INFO] [stderr] 
[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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "0ef318b58028b139e6a9bea586c6733ba46499926fd1e04b2fc47050c056bec9"`
[INFO] running `"docker" "rm" "-f" "0ef318b58028b139e6a9bea586c6733ba46499926fd1e04b2fc47050c056bec9"`
[INFO] [stdout] 0ef318b58028b139e6a9bea586c6733ba46499926fd1e04b2fc47050c056bec9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 293089f6d7009c013c4cc31139eda82994f1f0e32683f713f7b478a34a58897a
[INFO] running `"docker" "start" "-a" "293089f6d7009c013c4cc31139eda82994f1f0e32683f713f7b478a34a58897a"`
[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] warning: 4 warnings emitted
[INFO] [stderr] 
[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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fountain_codes-171254975c71f396
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lt::tests::block_equals ... ok
[INFO] [stdout] test lt::tests::packet_round_trips ... 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/rustwide/target/debug/deps/lt_coding_test-e24e302975c33753
[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
[INFO] [stdout] test test_lt_coding_medium ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fountain_codes
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "293089f6d7009c013c4cc31139eda82994f1f0e32683f713f7b478a34a58897a"`
[INFO] running `"docker" "rm" "-f" "293089f6d7009c013c4cc31139eda82994f1f0e32683f713f7b478a34a58897a"`
[INFO] [stdout] 293089f6d7009c013c4cc31139eda82994f1f0e32683f713f7b478a34a58897a