[INFO] fetching crate fountaincode 0.0.8...
[INFO] testing fountaincode-0.0.8 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate fountaincode 0.0.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fountaincode 0.0.8 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8cf600b1b7e86d159998133c5a543cc7ab01d40667e407b9473d595168ec383
[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" "e8cf600b1b7e86d159998133c5a543cc7ab01d40667e407b9473d595168ec383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8cf600b1b7e86d159998133c5a543cc7ab01d40667e407b9473d595168ec383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8cf600b1b7e86d159998133c5a543cc7ab01d40667e407b9473d595168ec383", kill_on_drop: false }`
[INFO] [stdout] e8cf600b1b7e86d159998133c5a543cc7ab01d40667e407b9473d595168ec383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 649385dea382b35139d8e9173ed8fcb593284d2f2bde80171cccb43f62e5fada
[INFO] running `Command { std: "docker" "start" "-a" "649385dea382b35139d8e9173ed8fcb593284d2f2bde80171cccb43f62e5fada", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[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 2.35s
[INFO] running `Command { std: "docker" "inspect" "649385dea382b35139d8e9173ed8fcb593284d2f2bde80171cccb43f62e5fada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649385dea382b35139d8e9173ed8fcb593284d2f2bde80171cccb43f62e5fada", kill_on_drop: false }`
[INFO] [stdout] 649385dea382b35139d8e9173ed8fcb593284d2f2bde80171cccb43f62e5fada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e859fbceff7f5b9b78c276ad82acea88e5139221b8684007572fa8055c4acc9
[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" "1e859fbceff7f5b9b78c276ad82acea88e5139221b8684007572fa8055c4acc9", kill_on_drop: false }`
[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]    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 test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "1e859fbceff7f5b9b78c276ad82acea88e5139221b8684007572fa8055c4acc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e859fbceff7f5b9b78c276ad82acea88e5139221b8684007572fa8055c4acc9", kill_on_drop: false }`
[INFO] [stdout] 1e859fbceff7f5b9b78c276ad82acea88e5139221b8684007572fa8055c4acc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d153a357a8838e478c58b51089895a24da631b582567dd7c1965fb043abf2e08
[INFO] running `Command { std: "docker" "start" "-a" "d153a357a8838e478c58b51089895a24da631b582567dd7c1965fb043abf2e08", 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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fountaincode-3076c19183117781)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9d196a746f18fd6d)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test ltcodetests::small_test_systematic_encoder ... ok
[INFO] [stdout] test ltcodetests::small_encode_decode_with_loss_begin_with_systematic ... ok
[INFO] [stdout] test ltcodetests::test_encode_decode_simple ... 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 71.42s
[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 72.07s
[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 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d153a357a8838e478c58b51089895a24da631b582567dd7c1965fb043abf2e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d153a357a8838e478c58b51089895a24da631b582567dd7c1965fb043abf2e08", kill_on_drop: false }`
[INFO] [stdout] d153a357a8838e478c58b51089895a24da631b582567dd7c1965fb043abf2e08