[INFO] fetching crate fountaincode 0.0.8...
[INFO] testing fountaincode-0.0.8 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate fountaincode 0.0.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fountaincode 0.0.8 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fountaincode 0.0.8
[INFO] finished tweaking crates.io crate fountaincode 0.0.8
[INFO] tweaked toml for crates.io crate fountaincode 0.0.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6b927feb732c62b885b35e07e0c439987630491476d3128ba5a29fe43c16341
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6b927feb732c62b885b35e07e0c439987630491476d3128ba5a29fe43c16341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6b927feb732c62b885b35e07e0c439987630491476d3128ba5a29fe43c16341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b927feb732c62b885b35e07e0c439987630491476d3128ba5a29fe43c16341", kill_on_drop: false }`
[INFO] [stdout] a6b927feb732c62b885b35e07e0c439987630491476d3128ba5a29fe43c16341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13be0ca5523aac5d40e0540af0aba906739290cc2313ba52154f0c380658956
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e13be0ca5523aac5d40e0540af0aba906739290cc2313ba52154f0c380658956", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling fountaincode v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> src/ltcode.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, sample, StdRng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/ltcode.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     sample(&mut rng, 0..n, degree)
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "e13be0ca5523aac5d40e0540af0aba906739290cc2313ba52154f0c380658956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13be0ca5523aac5d40e0540af0aba906739290cc2313ba52154f0c380658956", kill_on_drop: false }`
[INFO] [stdout] e13be0ca5523aac5d40e0540af0aba906739290cc2313ba52154f0c380658956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b382bd1e743dedc2b47cc4fed4258981b53c9a78717146f902d98caaef19f1b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b382bd1e743dedc2b47cc4fed4258981b53c9a78717146f902d98caaef19f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fountaincode v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> src/ltcode.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, sample, StdRng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/ltcode.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     sample(&mut rng, 0..n, degree)
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> src/ltcode.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{Rng, sample, StdRng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/ltcode.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     sample(&mut rng, 0..n, degree)
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "1b382bd1e743dedc2b47cc4fed4258981b53c9a78717146f902d98caaef19f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b382bd1e743dedc2b47cc4fed4258981b53c9a78717146f902d98caaef19f1b", kill_on_drop: false }`
[INFO] [stdout] 1b382bd1e743dedc2b47cc4fed4258981b53c9a78717146f902d98caaef19f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a92a43b97a3bfb2dc779cb333a89f12ff4f295e458d9dd12df5f5d4e28d0931
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a92a43b97a3bfb2dc779cb333a89f12ff4f295e458d9dd12df5f5d4e28d0931", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stderr]  --> src/ltcode.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, sample, StdRng, SeedableRng};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stderr]    --> src/ltcode.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     sample(&mut rng, 0..n, degree)
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stderr]  --> src/ltcode.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::{Rng, sample, StdRng, SeedableRng};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stderr]    --> src/ltcode.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     sample(&mut rng, 0..n, degree)
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fountaincode-3076c19183117781)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9d196a746f18fd6d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test ltcodetests::small_test_systematic_encoder ... ok
[INFO] [stdout] test ltcodetests::test_encode_decode_simple ... ok
[INFO] [stdout] test ltcodetests::small_encode_decode_with_loss_begin_with_systematic ... ok
[INFO] [stdout] test ltcodetests::combinations_encode_decode_with_uneven_sizes_systematic ... ok
[INFO] [stdout] test ltcodetests::encode_decode_with_uneven_sizes_random ... ok
[INFO] [stdout] test ltcodetests::combinations_encode_decode_with_loss_begin_with_systematic has been running for over 60 seconds
[INFO] [stdout] test ltcodetests::combinations_encode_decode_with_loss_begin_with_systematic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 70.17s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ltcodetests.rs (/opt/rustwide/target/debug/deps/ltcodetests-db0bb7ac4ccbaabb)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test small_encode_decode_with_loss_begin_with_systematic ... ok
[INFO] [stdout] test small_test_systematic_encoder ... ok
[INFO] [stdout] test test_encode_decode_simple ... ok
[INFO] [stdout] test combinations_encode_decode_with_uneven_sizes_systematic ... ok
[INFO] [stdout] test encode_decode_with_uneven_sizes_random ... ok
[INFO] [stdout] test combinations_encode_decode_with_loss_begin_with_systematic has been running for over 60 seconds
[INFO] [stdout] test combinations_encode_decode_with_loss_begin_with_systematic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 70.46s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fountaincode
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ltcode.rs - ltcode::Encoder::new (line 72) ... ok
[INFO] [stdout] test src/ltcode.rs - ltcode::Decoder::new (line 203) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a92a43b97a3bfb2dc779cb333a89f12ff4f295e458d9dd12df5f5d4e28d0931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a92a43b97a3bfb2dc779cb333a89f12ff4f295e458d9dd12df5f5d4e28d0931", kill_on_drop: false }`
[INFO] [stdout] 5a92a43b97a3bfb2dc779cb333a89f12ff4f295e458d9dd12df5f5d4e28d0931