[INFO] fetching crate fountaincode 0.0.8...
[INFO] testing fountaincode-0.0.8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fountaincode 0.0.8 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate fountaincode 0.0.8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e35aa7ccc7b021d7250cab5b28f797a59b24e5c3ef4fb0b61240e512e7c06f4a
[INFO] running `Command { std: "docker" "start" "-a" "e35aa7ccc7b021d7250cab5b28f797a59b24e5c3ef4fb0b61240e512e7c06f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e35aa7ccc7b021d7250cab5b28f797a59b24e5c3ef4fb0b61240e512e7c06f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35aa7ccc7b021d7250cab5b28f797a59b24e5c3ef4fb0b61240e512e7c06f4a", kill_on_drop: false }`
[INFO] [stdout] e35aa7ccc7b021d7250cab5b28f797a59b24e5c3ef4fb0b61240e512e7c06f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30faf542f82e1d73607cc3a1469c9756db90355bfc6796186b240190bc946173
[INFO] running `Command { std: "docker" "start" "-a" "30faf542f82e1d73607cc3a1469c9756db90355bfc6796186b240190bc946173", 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 1.50s
[INFO] running `Command { std: "docker" "inspect" "30faf542f82e1d73607cc3a1469c9756db90355bfc6796186b240190bc946173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30faf542f82e1d73607cc3a1469c9756db90355bfc6796186b240190bc946173", kill_on_drop: false }`
[INFO] [stdout] 30faf542f82e1d73607cc3a1469c9756db90355bfc6796186b240190bc946173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f80c01b3cfd07ab2c74e75c771f991835a3ee20c64778b8b0654d0b6929c8d5
[INFO] running `Command { std: "docker" "start" "-a" "6f80c01b3cfd07ab2c74e75c771f991835a3ee20c64778b8b0654d0b6929c8d5", 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "6f80c01b3cfd07ab2c74e75c771f991835a3ee20c64778b8b0654d0b6929c8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f80c01b3cfd07ab2c74e75c771f991835a3ee20c64778b8b0654d0b6929c8d5", kill_on_drop: false }`
[INFO] [stdout] 6f80c01b3cfd07ab2c74e75c771f991835a3ee20c64778b8b0654d0b6929c8d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0eb87a4419801d14567d0cf465dd1da9dacdfba112230f40e2d44d0012fa9dca
[INFO] running `Command { std: "docker" "start" "-a" "0eb87a4419801d14567d0cf465dd1da9dacdfba112230f40e2d44d0012fa9dca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `fountaincode` (lib) generated 2 warnings
[INFO] [stderr] warning: `fountaincode` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fountaincode-79f2e88754dbf682)
[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-d069f04e90327400)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test ltcodetests::small_encode_decode_with_loss_begin_with_systematic ... ok
[INFO] [stdout] test ltcodetests::small_test_systematic_encoder ... 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 92.84s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ltcodetests.rs (/opt/rustwide/target/debug/deps/ltcodetests-1f11844b5f0a06da)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test small_encode_decode_with_loss_begin_with_systematic ... ok
[INFO] [stdout] test test_encode_decode_simple ... ok
[INFO] [stdout] test small_test_systematic_encoder ... 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 75.59s
[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 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0eb87a4419801d14567d0cf465dd1da9dacdfba112230f40e2d44d0012fa9dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb87a4419801d14567d0cf465dd1da9dacdfba112230f40e2d44d0012fa9dca", kill_on_drop: false }`
[INFO] [stdout] 0eb87a4419801d14567d0cf465dd1da9dacdfba112230f40e2d44d0012fa9dca