[INFO] fetching crate fountain_codes 0.2.1...
[INFO] checking fountain_codes-0.2.1 against beta for pr-78714
[INFO] extracting crate fountain_codes 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fountain_codes 0.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 7adbe93e34e9150fac9c8e98ba0319c49e2c434bb416b36fb98a207f671b5635
[INFO] running `Command { std: "docker" "start" "-a" "7adbe93e34e9150fac9c8e98ba0319c49e2c434bb416b36fb98a207f671b5635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7adbe93e34e9150fac9c8e98ba0319c49e2c434bb416b36fb98a207f671b5635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adbe93e34e9150fac9c8e98ba0319c49e2c434bb416b36fb98a207f671b5635", kill_on_drop: false }`
[INFO] [stdout] 7adbe93e34e9150fac9c8e98ba0319c49e2c434bb416b36fb98a207f671b5635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 27fac0401d3ba2bc86300f49138b70c18988bcc98e4d15c80c4356b41d984581
[INFO] running `Command { std: "docker" "start" "-a" "27fac0401d3ba2bc86300f49138b70c18988bcc98e4d15c80c4356b41d984581", kill_on_drop: false }`
[INFO] [stderr]     Checking fountain_codes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lt.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lt.rs:116:36
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/distributions.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(density_function: &ProbabilityDensityFunction, limit: u32) -> io::Result<Distribution> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityDensityFunction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<P: Packet> PartialEncoder<P> for Encoder<P> {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Encoder<P>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lt.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lt.rs:116:36
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let extra_block = cmp::min((data_bytes % BLOCK_BYTES as u64), 1);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/distributions.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(density_function: &ProbabilityDensityFunction, limit: u32) -> io::Result<Distribution> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityDensityFunction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<P: Packet> PartialEncoder<P> for Encoder<P> {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Encoder<P>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "27fac0401d3ba2bc86300f49138b70c18988bcc98e4d15c80c4356b41d984581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27fac0401d3ba2bc86300f49138b70c18988bcc98e4d15c80c4356b41d984581", kill_on_drop: false }`
[INFO] [stdout] 27fac0401d3ba2bc86300f49138b70c18988bcc98e4d15c80c4356b41d984581